Joel T. Johnson

272 papers C 116Journal 142Unranked 13

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	Physics-grounded Mechanism Design for Spectrum Sharing between Passive and Active Users. CoRR Jiguang Yu, Nicholas J. Brendle, Joel T. Johnson, David Starobinski
2025	J	`jnl`	A Merged CYGNSS Soil Moisture Product Using a Minimum Variance Estimator. IEEE Trans. Geosci. Remote. Sens. Erik Hodges, Clara C. Chew, Eric E. Small, Dinan Bai, Mohammad M. Al-Khaldi, Jeffrey D. Ouellette, Joel T. Johnson, Fangni Lei, Mehmet Kurum, Ali Cafer Gürbüz, Volkan Yusuf Senyurek, M. M. Nabi, Xiaolan Xu, Rashmi Shah, Simon H. Yueh, Akiko Hayashi, Paulo De Tarso Setti, Sajad Tabibi, Emanuele Santi, Simone Pettinato, Christopher S. Ruf, Mahta Moghaddam
2025	—	`conf`	Advancing Spectrum Sharing through Statistical Analysis of EESS-Passive Satellite Overpasses. DySPAN Nicholas J. Brendle, Jonathan Chamberlain, Joel T. Johnson, David Starobinski
2025	J	`jnl`	An Analysis of a Commercial GNSS-R Ocean Wind Speed Dataset. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Darren S. McKague, Dorina Twigg, Anthony Russel, Frederick Policelli
2025	J	`jnl`	Detection and Analysis of GPS L1-Band Radio Frequency Interference Using Spaceborne Global Navigation Satellite System Reflectometry Receivers. IEEE Trans. Geosci. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Darren S. McKague, Scott Gleason, Frederick Policelli, Rajat Bindlish, Dorina Twigg, Anthony Russel
2025	J	`jnl`	Global Detection, Geolocation, and Analysis of Terrestrial GPS RFI Using Spaceborne GNSS-R Receivers. IEEE Trans. Geosci. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Scott Gleason
2025	J	`jnl`	Hydrodynamic Modulation Transfer Functions for the Creamer and Choppy Wave Surface Models and Their Impact on Doppler Scattering Simulations. IEEE Trans. Geosci. Remote. Sens. Jakov V. Toporkov, Joel T. Johnson, Jeffrey D. Ouellette
2025	J	`jnl`	Near-Specular Interferometry With Signals of Opportunity Systems: Potential and Limitations. IEEE Trans. Geosci. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Steven Tsz K. Chan, George Hajj
2025	—	`conf`	Toward algorithmic workflows for passive correlation-based radar imaging. IEEECONF Julien Chaput, Secil Dogan, James Wright, Mohammad Al-Khaldi, Joel T. Johnson, Emre Ertin, Jeremiah Lightner, Morris Cohen, David Hysell
2024	J	`jnl`	A Study of the Kirchhoff Approximation for the Coherent Reflection Coefficient of a 1-D Perfectly Conducting Rough Surface. IEEE Geosci. Remote. Sens. Lett. Ethan Raines, Joel T. Johnson
2024	C	`conf`	A Study of the Second Order Small Slope Approximation for L-Band Backscattering from Soil Surfaces. IGARSS Dustin Horton, Joel T. Johnson, Mohammad M. Al-Khaldi, Jeonghwan Park, Rajat Bindlish
2024	J	`jnl`	Active and Passive Microwave Remote Sensing of Priestley Glacier, Antarctica. IEEE Trans. Geosci. Remote. Sens. Kenneth C. Jezek, Marco Brogioni, Joel T. Johnson, Dustin M. Schroeder, Anna L. Broome, Giovanni Macelloni
2024	J	`jnl`	An Analysis of a Commercial GNSS-R Soil Moisture Dataset. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Dustin Horton, Darren S. McKague, Dorina Twigg, Anthony Russel, Frederick Policelli, Jeffrey D. Ouellette, Rajat Bindlish, Jeonghwan Park
2024	C	`conf`	Estimating the Retrieval Performance of Passive Remote Sensing Under Alternate Spectrum Sharing Scenarios. IGARSS Nicholas J. Brendle, Joel T. Johnson, David Starobinski, Jonathan Chamberlain
2024	J	`jnl`	Facilitating Spectrum Sharing With Passive Satellite Incumbents. IEEE J. Sel. Areas Commun. Jonathan Chamberlain, David Starobinski, Joel T. Johnson
2024	C	`conf`	Impact of Spectral Spreading Functions on Modeling the Sea Backscatter Cross Section at Microwave Frequencies. IGARSS Jakov V. Toporkov, Jeffrey D. Ouellette, Joel T. Johnson
2024	J	`jnl`	Impacts of Spaceborne GNSS-R System Observations on Storm Surge Prediction: A Hurricane Harvey Case Study Using CYGNSS Full DDM Downlinks. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Younghun Kang, Ethan J. Kubatko, Mohammad M. Al-Khaldi, Joel T. Johnson, Suranjan Nepal, Aaron Sines
2024	J	`jnl`	L-Band Full-Wave Simulations of the Effective Permittivity of Bi/Tri-Continuous Media With Applications to Firn Aquifer in Polar Regions and Terrestrial Wet Snow. IEEE Trans. Geosci. Remote. Sens. Zhenming Huang, Haokui Xu, Firoz Kanti Borah, Leung Tsang, Brooke Medley, Joel T. Johnson, Roger D. De Roo
2024	J	`jnl`	Modeling Soil Moisture Retrieval Errors in the Time-Series Ratio Method. IEEE Geosci. Remote. Sens. Lett. Dustin Horton, Alexandra Bringer, Joel T. Johnson, Jeonghwan Park, Mohammad M. Al-Khaldi, Rajat Bindlish
2024	J	`jnl`	NISAR Time-Series Ratio Algorithm for Soil Moisture Retrieval: Prelaunch Evaluation With SMAPVEX12 Field Campaign Data. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Jeonghwan Park, Rajat Bindlish, Alexandra Bringer, Dustin Horton, Joel T. Johnson
2024	J	`jnl`	Ocean Wave Period Measurements Using S-Band Signals of Opportunity Reflections. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. James Gaudreau, Ethan Raines, Joel T. Johnson, James L. Garrison, Jeffrey D. Ouellette, Rashmi Shah
2024	C	`conf`	Remote Sensing Earth's Cryosphere with 0.5-2.0 Ghz Microwave Radiometry: Recent Updates. IGARSS Joel T. Johnson, Kenneth C. Jezek, Marco Brogioni, Leung Tsang, Caglar Yardim, Emre Ertin, Nithin Sugavanam, Mark J. Andrews, Lars Kaleschke, Giovanni Macelloni, Shujie Wang
2024	J	`jnl`	Reservoir Water Level Monitoring Using CYGNSS's Level-1 Observations. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Nicholas J. Brendle, Steven Tsz K. Chan, George Hajj, Mohammad M. Al-Khaldi, Joel T. Johnson
2024	J	`jnl`	Simulating 0.4-2.5 GHz Brightness Temperatures of the Ross Ice Shelf, Antarctica. IEEE Geosci. Remote. Sens. Lett. Marco Brogioni, Kenneth C. Jezek, Joel T. Johnson, Marion Leduc-Leballeur, Caglar Yardim, Leung Tsang, Shujie Wang, Giovanni Macelloni
2024	C	`conf`	Simulations of Ocean Surface Bistatic Doppler Spectra with the Small Slope Approximation. IGARSS Joel T. Johnson, Robert J. Burkholder, Joseph Gedney, Jakov V. Toporkov, Jeffrey Ouellette, Shanka N. Wijesundara
2024	J	`jnl`	Soil Moisture Retrieval Using CYGNSS Data in a Time-Series Ratio Method: Progress Update and Error Analysis, Part II. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Jeffrey D. Ouellette, Mohammad M. Al-Khaldi, Joel T. Johnson
2024	—	`conf`	Spectrum Sharing between Earth Exploration Satellite and Commercial Services: An Economic Feasibility Analysis. DySPAN Jonathan Chamberlain, Joel T. Johnson, David Starobinski
2024	J	`jnl`	Wildfire Threshold Detection and Progression Monitoring Using an Improved Radar Vegetation Index in California. Remote. Sens. Dustin Horton, Joel T. Johnson, Ismail Baris, Thomas Jagdhuber, Rajat Bindlish, Jeonghwan Park, Mohammad M. Al-Khaldi
2023	J	`jnl`	Efficient Calculation of the Kirchhoff Integral for Predicting the Bistatic Normalized Radar Cross Section of Ocean-Like Surfaces. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Jakov V. Toporkov, Paul A. Hwang, Jeffrey D. Ouellette
2023	C	`conf`	First Results from Mapperr: The Multi-Frequency Active Passive Polar Exploration Radar-Radiometer. IGARSS Anna L. Broome, Dustin M. Schroeder, Joel T. Johnson
2023	J	`jnl`	Joint Active and Passive Microwave Thermometry of Ice Sheets. IEEE Trans. Geosci. Remote. Sens. Anna L. Broome, Dustin M. Schroeder, Joel T. Johnson
2023	J	`jnl`	Radio Dynamic Zones: Motivations, Challenges, and Opportunities to Catalyze Spectrum Coexistence. IEEE Commun. Mag. Mariya Zheleva, Christopher Robert Anderson, Mustafa Aksoy, Joel T. Johnson, Habib O. Affinnih, Christopher G. DePree
2023	J	`jnl`	Sea Surface Scattering Observations and Predictions Using Satellite-Based S-Band Signals-of-Opportunity. IEEE Trans. Geosci. Remote. Sens. Jeffrey D. Ouellette, Ethan Raines, Joel T. Johnson, William T. Bounds, David J. Dowgiallo, Jakov V. Toporkov, Paul A. Hwang
2023	C	`conf`	Toward Internal Ice-Sheet Temperature Retrieval Using Microwave Radiometry and Simplified Ice-Flow Models. IGARSS Nithin Sugavanam, Emre Ertin, Caglar Yardim, Joel T. Johnson, Kenneth C. Jezek, Joseph A. MacGregor
2023	J	`jnl`	Using Lidar Digital Elevation Models for Reflectometry Land Applications. IEEE Trans. Geosci. Remote. Sens. Erik Hodges, James D. Campbell, Amer Melebari, Alexandra Bringer, Joel T. Johnson, Mahta Moghaddam
2023	J	`jnl`	Using Synthetic Cyclone Models for High Wind GNSS-R Calibration, Validation, and Algorithm Development: A CYGNSS Case Study. IEEE Trans. Geosci. Remote. Sens. Mohammad M. Al-Khaldi, Scott Gleason, Joel T. Johnson, Rajeswari Balasubramaniam, Christopher S. Ruf, Darren S. McKague, Bachir Annane, Tianlin Wang, Anthony Russel, Dorina Twigg
2022	J	`jnl`	500-2000-MHz Airborne Brightness Temperature Measurements Over the East Antarctic Plateau. IEEE Geosci. Remote. Sens. Lett. Marco Brogioni, Marion Leduc-Leballeur, Mark J. Andrews, Giovanni Macelloni, Joel T. Johnson, Kenneth C. Jezek, Caglar Yardim
2022	J	`jnl`	A Comparison of Bistatic and Monostatic Radar Images of 1-D Perfectly Conducting Rough Surfaces. IEEE Geosci. Remote. Sens. Lett. Ethan Raines, James Park, Joel T. Johnson, Robert J. Burkholder
2022	J	`jnl`	A Simulation Study of Significant Wave Height Retrieval From Bistatic Scattering of Signals of Opportunity. IEEE Geosci. Remote. Sens. Lett. Paul A. Hwang, Jeffrey D. Ouellette, Jakov V. Toporkov, Joel T. Johnson
2022	C	`conf`	A Study of Dome-C Ice Sheet Parameter Estimation Using 0.5-2 GHz Ultra-Wideband Radiometry. IGARSS Caglar Yardim, Joel T. Johnson, Kenneth C. Jezek, Mark J. Andrews, Marion Leduc-Leballeur, Marco Brogioni, Giovanni Macelloni
2022	C	`conf`	A Study of the Relationship Between Surface Roughness and GNSS-R Coherent Returns Over Land. IGARSS Tianlin Wang, Alexandra Bringer, Joel T. Johnson, Mohammad M. Al-Khaldi
2022	C	`conf`	Analysis of LIDAR Digital Elevation Models to Support CYGNSS CAL/VAL Activities. IGARSS Alexandra Bringer, Tianlin Wang, Joel T. Johnson
2022	J	`jnl`	Diurnal Variations in Ocean Wind Speeds Measured by CYGNSS and Other Satellites. IEEE Geosci. Remote. Sens. Lett. Yuchan Yi, Joel T. Johnson, Xiaochun Wang
2022	J	`jnl`	Feasibility of Estimating Ice Sheet Internal Temperatures Using Ultra-Wideband Radiometry. IEEE Trans. Geosci. Remote. Sens. Yuna Duan, Caglar Yardim, Michael Durand, Kenneth C. Jezek, Joel T. Johnson, Alexandra Bringer, Shurun Tan, Leung Tsang, Mustafa Aksoy
2022	J	`jnl`	Greenland Ice Sheet Subsurface Temperature Estimation Using Ultrawideband Microwave Radiometry. IEEE Trans. Geosci. Remote. Sens. Caglar Yardim, Joel T. Johnson, Kenneth C. Jezek, Mark J. Andrews, Michael Durand, Yuna Duan, Shurun Tan, Leung Tsang, Marco Brogioni, Giovanni Macelloni, Alexandra Bringer
2022	C	`conf`	IMPACT OF CYGNSS LEVEL-2 DERIVED WIND FIELDS ON STORM SURGE MODELING. IGARSS Younghun Kang, Ethan J. Kubatko, Joel T. Johnson, Mohammad AI-Khaldi, Stephen J. Katzberg
2022	C	`conf`	Ice Sheet Melt Water Profile Mapping Using Multi-Frequency Microwave Radiometry. IGARSS Andreas Colliander, Mohammad Mousavi, Sidharth Misra, Shannon T. Brown, John S. Kimball, Julie Z. Miller, Joel T. Johnson, Mariko Burgin
2022	J	`jnl`	Intercomparison of Electromagnetic Scattering Models for Delay-Doppler Maps Along a CYGNSS Land Track With Topography. IEEE Trans. Geosci. Remote. Sens. James D. Campbell, Ruzbeh Akbar, Alexandra Bringer, Davide Comite, Laura Dente, Scott T. Gleason, Leila Guerriero, Erik Hodges, Joel T. Johnson, Seung-Bum Kim, Amer Melebari, Nazzareno Pierdicca, Christopher S. Ruf, Leung Tsang, Tianlin Wang, Haokui Xu, Jiyue Zhu, Mahta Moghaddam
2022	J	`jnl`	Measurements of 540-1740 MHz Brightness Temperatures of Sea Ice During the Winter of the MOSAiC Campaign. IEEE Trans. Geosci. Remote. Sens. Oguz Demir, Joel T. Johnson, Kenneth C. Jezek, Mark J. Andrews, Kenneth Ayotte, Gunnar Spreen, Stefan Hendricks, Lars Kaleschke, Marc Oggier, Mats Granskog, Allison Fong, Mario Hoppmann, Ilkka Matero, Daniel Scholz
2022	C	`conf`	Modeling the Errors of a Time Series Algorithm for Retrieving Soil Moisture in the NISAR Mission. IGARSS Alexandra Bringer, Joel T. Johnson, Jeonghwan Park, Rajat Bindlish, Dustin Horton
2022	C	`conf`	Monitoring The L-Band RFI Environment: Tracking RFI Sources Observed by Smap. IGARSS Alexandra Bringer, Joel T. Johnson, Priscilla N. Mohammed, Sidharth Misra, David M. Le Vine
2022	C	`conf`	On the Cutoff Wavenumber in the Geometrical Optics Theory of Near Specular Scattering from the Sea Surface. IGARSS Joel T. Johnson, Ethan Raines, Jakov V. Toporkov, Paul A. Hwang, Jeffrey D. Ouellette
2022	C	`conf`	P and L Band Reflectometry Modelling Based on Analytical Kirchhoff Solutions (AKS) with Land Surface Lidar Data. IGARSS Haokui Xu, Leung Tsang, Jongwoo Jeong, Joel T. Johnson, Alexandra Bringer, Simon Yueh, Xiaolan Xu
2022	J	`jnl`	Physics-Based Forward Modeling of Ocean Surface Swell Effects on SMAP L1-C NRCS Observations. Sensors Shanka N. Wijesundara, Joel T. Johnson
2022	C	`conf`	Progress in Time-Series Soil Moisture Retrieval Using L- and S-Band Radar Backscatter. IGARSS Dustin Horton, Alexandra Bringer, Joel T. Johnson, Jeonghwan Park, Rajat Bindlish
2022	J	`jnl`	Properties of the 500-2000-MHz RFI Environment Observed in High-Latitude Airborne Radiometer Measurements. IEEE Trans. Geosci. Remote. Sens. Mark J. Andrews, Joel T. Johnson, Marco Brogioni, Giovanni Macelloni, Kenneth C. Jezek
2022	C	`conf`	Quantifying the Complimentary Sensitivities of Active and Passive Microwave Measurements to Ice-Sheet Thermal Signatures. IGARSS Anna L. Broome, Dustin M. Schroeder, Joel T. Johnson
2022	J	`jnl`	Radar Backscattering of Rough Soil Surfaces From L-Band to Ku-Band With NMM3D. IEEE Geosci. Remote. Sens. Lett. Jiyue Zhu, Leung Tsang, Tien-Hao Liao, Joel T. Johnson, Do Hyuk Kang, Edward J. Kim
2022	J	`jnl`	Relationships Between L-Band Brightness Temperature, Backscatter, and Physical Properties of the Ross Ice Shelf Antarctica. IEEE Trans. Geosci. Remote. Sens. Kenneth C. Jezek, Shujie Wang, Marion Leduc-Leballeur, Joel T. Johnson, Marco Brogioni, Julie Z. Miller, David G. Long, Giovanni Macelloni
2022	J	`jnl`	Significant Wave Height and Bistatic Doppler Signals of Microwave Scattering From the Ocean Surface: With Emphasis on the Swell Factor. IEEE Trans. Geosci. Remote. Sens. Paul A. Hwang, Jeffrey D. Ouellette, Jakov V. Toporkov, Joel T. Johnson
2022	C	`conf`	Simulation Study of a Probabilistic Measurement Terminator for cloud Radar Systems using Cloudsat data. IGARSS Jakob DeLong, Joel T. Johnson
2022	J	`jnl`	Soil Moisture Retrievals Using CYGNSS Data in a Time-Series Ratio Method: Progress Update and Error Analysis. IEEE Geosci. Remote. Sens. Lett. Mohammad M. Al-Khaldi, Joel T. Johnson
2022	J	`jnl`	Studies of Sea-Ice Thickness and Salinity Retrieval Using 0.5-2 GHz Microwave Radiometry. IEEE Trans. Geosci. Remote. Sens. Oguz Demir, Joel T. Johnson, Kenneth C. Jezek, Marco Brogioni, Giovanni Macelloni, Lars Kaleschke, Ludovic Brucker
2022	C	`conf`	The Impact of Firn Models on Ultrawideband Brightness Temperatures in the Partially Coherent Model. IGARSS Haokui Xu, Brooke Medley, Leung Tsang, Joel T. Johnson, Kenneth C. Jezek
2022	C	`conf`	Time-Series Ratio Algorithm for Nisar Soil Moisture Retrieval. IGARSS Jeonghwan Park, Rajat Bindlish, Alexandra Bringer, Dustin Horton, Joel T. Johnson
2022	C	`conf`	Towards a Unified Framework for Scattering Models at Microwave and Optical Wavelengths: The Bispinorial Description of Polarization States. IGARSS Ismail Baris, Thomas Jagdhuber, Harald Anglberger, Andrey Osipov, François Jonard, Joel T. Johnson, Thomas Eibert
2022	C	`conf`	Wideband Radiometric Signatures of Snow Pack in the Keweenaw Peninsula, Michigan, During the Winter of 2021-22. IGARSS Roger D. De Roo, Joel T. Johnson, Mark S. Andrews, Oguz Demir, Alexandra Bringer
2021	J	`jnl`	A Partially Coherent Approach for Modeling Polar Ice Sheet 0.5-2-GHz Thermal Emission. IEEE Trans. Geosci. Remote. Sens. Shurun Tan, Leung Tsang, Haokui Xu, Joel T. Johnson, Kenneth C. Jezek, Caglar Yardim, Michael Durand, Yuna Duan
2021	C	`conf`	A Study of Front End Architectures for the PolarRad 0.5-2 GHZ Microwave Radiometer. IGARSS Mark J. Andrews, Joel T. Johnson, Matthew McLinden, Sidharth Misra
2021	J	`jnl`	An Algorithm for Detecting Coherence in Cyclone Global Navigation Satellite System Mission Level-1 Delay-Doppler Maps. IEEE Trans. Geosci. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Scott Gleason, Eric Loria, Andrew J. O'Brien, Yuchan Yi
2021	C	`conf`	Analyzing the Radio Frequency Interference Environment at Cal/Val Site Locations for the Soil Moisture Active/Passive (SMAP) Mission. IGARSS Alexandra Bringer, Andreas Colliander, Joel T. Johnson, Simon Yueh, Siharth Misra
2021	J	`jnl`	Electromagnetic Scattering and Emission From Large Rough Surfaces With Multiple Elevations Using the MLSD-SMCG Method. IEEE Trans. Geosci. Remote. Sens. Yanlei Du, Jian Yang, Xiaofeng Yang, Leung Tsang, Kun-Shan Chen, Joel T. Johnson, Junjun Yin
2021	J	`jnl`	Evaluation of Surface Melt on the Greenland Ice Sheet Using SMAP L-Band Microwave Radiometry. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Mohammad Mousavi, Andreas Colliander, Julie Z. Miller, Dara Entekhabi, Joel T. Johnson, Christopher A. Shuman, John S. Kimball, Zoe R. Courville
2021	J	`jnl`	Inland Water Body Mapping Using CYGNSS Coherence Detection. IEEE Trans. Geosci. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Scott Gleason, Clara C. Chew, Cynthia Gerlein-Safdi, Rashmi Shah, Cinzia Zuffada
2021	C	`conf`	Intercomparison of Models for CYGNSS Delay-Doppler Maps at a Validation Site in the San Luis Valley of Colorado. IGARSS James D. Campbell, Ruzbeh Akbar, Amir Azemati, Alexandra Bringer, Davide Comite, Laura Dente, Scott T. Gleason, Leila Guerriero, Erik Hodges, Joel T. Johnson, Seung-Bum Kim, Amer Melebari, Nazzareno Pierdicca, Bowen Ren, Christopher S. Ruf, Leung Tsang, Haokui Xu, Jiyue Zhu, Mahta Moghaddam
2021	C	`conf`	Limits on Antarctic Ice Sheet Temperature Estimation using 0.5-2 GHz Ultra-Wideband Radiometry. IGARSS Caglar Yardim, Mark J. Andrews, Joel T. Johnson, Kenneth C. Jezek, Marion Leduc-Leballeur, Marco Brogioni, Giovanni Macelloni
2021	J	`jnl`	Mapping the Dynamics of the South Asian Monsoon Using CYGNSS's Level-1 Signal Coherency. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Mohammad M. Al-Khaldi, Rashmi Shah, Clara C. Chew, Joel T. Johnson, Scott Gleason
2021	J	`jnl`	Matched Filter Cyclone Maximum Wind Retrievals Using CYGNSS: Progress Update and Error Analysis. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Mohammad M. Al-Khaldi, Stephen J. Katzberg, Joel T. Johnson, Younghun Kang, Ethan J. Kubatko, Scott Gleason
2021	C	`conf`	Measuring Englacial Temperatures with a Combined Radar-Radiometer. IGARSS Anna L. Broome, Dustin M. Schroeder, Joel T. Johnson
2021	J	`jnl`	Microwave Radiometry at Frequencies From 500 to 1400 MHz: An Emerging Technology for Earth Observations. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Joel T. Johnson, Kenneth C. Jezek, Giovanni Macelloni, Marco Brogioni, Leung Tsang, Emmanuel P. Dinnat, Jeffrey P. Walker, Nan Ye, Sidharth Misra, Jeffrey R. Piepmeier, Rajat Bindlish, David M. Le Vine, Peggy E. O'Neill, Lars Kaleschke, Mark J. Andrews, Caglar Yardim, Mustafa Aksoy, Michael Durand, Chi-Chih Chen, Oguz Demir, Alexandra Bringer, Julie Z. Miller, Shannon T. Brown, Ron Kwok, Tong Lee, Yann Kerr, Dara Entekhabi, Jinzheng Peng, Andreas Colliander, Steven Chan, Joseph A. MacGregor, Brooke Medley, Roger DeRoo, Mark Drinkwater
2021	J	`jnl`	Properties of the RFI Environment at 1400-1427 MHz as Observed by the Soil Moisture Active/Passive Mission Microwave Radiometer. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Alexandra Bringer, Joel T. Johnson, Yan Soldo, David M. Le Vine, Priscilla N. Mohammed, Sidharth Misra, Paolo de Matthaeis, Jeffrey R. Piepmeier
2021	C	`conf`	Snowpack Remote Sensing using Wideband Long-Wavelength Microwave Radiometry. IGARSS Maryam Salim, Roger D. De Roo, Mark J. Andrews, Joel T. Johnson, Alexandra Bringer, Kamal Sarabandi
2021	C	`conf`	Soil Moisture Retrieval using a Time-Series Ratio Algorithm for the Nisar Mission. IGARSS Jeonghwan Park, Rajat Bindlish, Alexandra Bringer, Dustin Horton, Joel T. Johnson
2021	C	`conf`	Studies of Terrain Surface Roughness and its Effect on GNSS-R Systems Using Airborne Lidar Measurements. IGARSS Alexandra Bringer, Joel T. Johnson, Charles K. Toth, Christopher S. Ruf, Mahta Moghaddam
2021	J	`jnl`	Studies of a Rapid Change Detector Using CYGNSS Level-2 Wind Speed Products. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Mohammad M. Al-Khaldi, Alexandra Bringer, Joel T. Johnson
2021	C	`conf`	Studies of the Retrieval of Sea Ice Thickness and Salinity with Wideband Microwave Radiometry. IGARSS Oguz Demir, Kenneth C. Jezek, Marco Brogioni, Giovanni Macelloni, Lars Kaleschke, Joel T. Johnson
2021	J	`jnl`	The IEEE-SA Working Group on Spaceborne GNSS-R: Scene Study. IEEE Access Hugo Carreno-Luengo, Adriano Camps, Chris Ruf, Nicolas Floury, Manuel Martín-Neira, Tianlin Wang, Siri Jodha S. Khalsa, Maria Paola Clarizia, Jennifer Reynolds, Joel T. Johnson, Andrew O'Brien, Carmela Galdi, Maurizio di Bisceglie, Andreas Dielacher, Philip Jales, Martin Unwin, Lucinda S. King, Giuseppe Foti, Rashmi Shah, Daniel Pascual, Bill Schreiner, Milad Asgarimehr, Jens Wickert, Serni Ribo, Estel Cardellach
2021	C	`conf`	Time-Series Soil Moisture Retrieval Using S-Band Backscatter Measurements from the SMEX02 Campaign. IGARSS Dustin Horton, Alexandra Bringer, Joel T. Johnson, Jeonghwan Park, Rajat Bindlish
2020	C	`conf`	An Algorithm for Adaptive Determination of Radar Coherent Integration Time. IGARSS Jakob DeLong, Joel T. Johnson
2020	J	`jnl`	Characterizing Background Signals and Noise in Spaceborne GNSS Reflection Ocean Observations. IEEE Geosci. Remote. Sens. Lett. Scott Gleason, Joel T. Johnson, Chris Ruf, Charles Bussy-Virat
2020	C	`conf`	Characterizing the Coherent Reflected Power Dependence on Rough Surface Height at Low Signal Levels. IGARSS Ethan Raines, Joel T. Johnson, Robert J. Burkholder
2020	J	`jnl`	Geolocation, Calibration and Surface Resolution of CYGNSS GNSS-R Land Observations. Remote. Sens. Scott Gleason, Andrew O'Brien, Anthony Russel, Mohammad M. Al-Khaldi, Joel T. Johnson
2020	C	`conf`	Improvement of CYGNSS Level 1 Calibration Using Modeling and Measurements of Ocean Surface Mean Square Slope. IGARSS Tianlin Wang, Valery U. Zavorotny, Joel T. Johnson, Yuchan Yi, Christopher Ruf, Scott Gleason, Darren McKague, Paul A. Hwang, Erick Rogers, Shuyi Chen, Yulin Pan, Thomas Bakker
2020	C	`conf`	Melt Detection Over Greenland Using Smap Radiometer Observations. IGARSS Seyedmohammad Mousavi, Andreas Colliander, Julie Z. Miller, Dara Entekhabi, Joel T. Johnson, Christopher A. Shuman, John S. Kimball, Zoe R. Courville
2020	C	`conf`	Monitoring Rapid Change in the Atmosphere Using Cygnss Wind Speed Measurements. IGARSS Alexandra Bringer, Mohammad M. Al-Khaldi, Joel T. Johnson, Jeonghwan Park
2020	C	`conf`	P-Band Radiometry: RFI and Calibration for Uwbrad. IGARSS Mark J. Andrews, Joel T. Johnson, Kenneth C. Jezek, Alexandra Bringer, Marco Brogioni, Giovanni Macelloni, Marion Leduc-Leballeur
2020	C	`conf`	Predicting Soil Moisture Retrieval Performance for the NISAR Mission. IGARSS Alexandra Bringer, Joel T. Johnson, Rajat Bindlish
2020	J	`jnl`	Real-Time Detection and Filtering of Radio Frequency Interference Onboard a Spaceborne Microwave Radiometer: The CubeRRT Mission. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Joel T. Johnson, Christopher D. Ball, Chi-Chih Chen, Christa McKelvey, Graeme E. Smith, Mark J. Andrews, Andrew O'Brien, Joseph Landon Garry, Sidharth Misra, Rudi Bendig, Carl Felten, Shannon T. Brown, Robert Jarnot, Jonathon Kocz, Kevin Horgan, Jared F. Lucey, Joseph J. Knuble, Michael Solly, Carlos Duran-Aviles, Jinzheng Peng, Damon Bradley, Jeffrey R. Piepmeier, Doug Laczkowski, Matthew Pallas, Nick Monahan, Ervin Krauss
2020	C	`conf`	The GRSS Standard for GNSS-Reflectometry. IGARSS Hugo Carreno-Luengo, Adriano Camps, Nicolas Flouri, Manuel Martín-Neira, Chris Ruf, Tianlin Wang, Siri Jodha S. Khalsa, Maria Paola Clarizia, Jennifer Reynolds, Joel T. Johnson, Andrew O'Brien, Carmela Galdi, Maurizio di Bisceglie, Andreas Dielacher, Philip Jales, Martin Unwin, Lucinda S. King, Giuseppe Foti, Rashmi Shah, Daniel Pascual, Bill Schreiner, Milad Asgarimehr, Jens Wickert, Serni Ribó, Estel Cardellach
2020	J	`jnl`	Track-Based Cyclone Maximum Wind Retrievals Using the Cyclone Global Navigation Satellite System (CYGNSS) Mission Full DDMs. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Younghun Kang, Stephen J. Katzberg, Alexandra Bringer, Ethan J. Kubatko, Dylan Wood
2020	C	`conf`	Ultra Wideband Radiometer Signatures of Arctic Sea Ice: Preliminary Results from the Mosaic Campaign. IGARSS Oguz Demir, Mark J. Andrews, Kenneth Ayotte, Lars Kaleschke, Kenneth C. Jezek, Joel T. Johnson
2020	J	`jnl`	itmlogic: The Irregular Terrain Model by Longley and Rice. J. Open Source Softw. Edward J. Oughton, Tom Russell, Joel T. Johnson, Caglar Yardim, Julius Kusuma
2019	C	`conf`	Above Snow Vegetation Effects on Wideband Autocorrelation Radiometry. IGARSS Shurun Tan, Maryam Salim, Leung Tsang, Joel T. Johnson, Roger D. De Roo
2019	J	`jnl`	Comparison of Maximum-Likelihood Estimation and Other Methods for Clutter Doppler Centroid Estimation. IEEE Trans. Aerosp. Electron. Syst. Shanka N. Wijesundara, Kristine L. Bell, Graeme E. Smith, Andrew O'Brien, Joel T. Johnson
2019	J	`jnl`	Development of an On-Board Wide-Band Processor for Radio Frequency Interference Detection and Filtering. IEEE Trans. Geosci. Remote. Sens. Sidharth Misra, Jonathon Kocz, Robert Jarnot, Shannon T. Brown, Rudi Bendig, Carl Felten, Joel T. Johnson
2019	C	`conf`	Fully Adaptive Cloud Profiling Radar Simulation. IGARSS Jakob DeLong, Mohammad Abu Shattal, Andrew O'Brien, Christopher D. Ball, Joel T. Johnson, Graeme E. Smith
2019	C	`conf`	Integration of Cygnss Wind and Wave Observations with the Wavewatch III Numerical Model. IGARSS Tianlin Wang, Valery U. Zavorotny, Joel T. Johnson, Yuchan Yi, Christopher Ruf
2019	J	`jnl`	On the Coherency of Ocean and Land Surface Specular Scattering for GNSS-R and Signals of Opportunity Systems. IEEE Trans. Geosci. Remote. Sens. Ahmed M. Balakhder, Mohammad M. Al-Khaldi, Joel T. Johnson
2019	J	`jnl`	On the Estimation of Wind Speed Diurnal Cycles Using Simulated Measurements of CYGNSS and ASCAT. IEEE Geosci. Remote. Sens. Lett. Yuchan Yi, Joel T. Johnson, Xiaochun Wang
2019	C	`conf`	Open Source Software for Simulating Collaborative Networks of Autonomous Adaptive Sensors. IGARSS Ryan Linnabary, Andrew O'Brien, Graeme E. Smith, Christopher D. Ball, Joel T. Johnson
2019	J	`jnl`	Remote Sensing of Sea Ice Thickness and Salinity With 0.5-2 GHz Microwave Radiometry. IEEE Trans. Geosci. Remote. Sens. Kenneth C. Jezek, Ronald Kwok, Lars Kaleschke, Domenic Belgiovane, Chi-Chih Chen, Alexandra Bringer, Joel T. Johnson, Oguz Demir, Mark J. Andrews, Giovanni Macelloni, Marco Brogioni, Marion Leduc-Leballeur, Shurun Tan, Leung Tsang
2019	C	`conf`	Swell Effects on Near-Coastal Smap L-Band High-Resolution NRCS Data. IGARSS Shanka N. Wijesundara, Joel T. Johnson
2019	J	`jnl`	Time-Series Retrieval of Soil Moisture Using CYGNSS. IEEE Trans. Geosci. Remote. Sens. Mohammad M. Al-Khaldi, Joel T. Johnson, Andrew J. O'Brien, Anna Balenzano, Francesco Mattia
2019	J	`jnl`	Using "Rapid Revisit" CYGNSS Wind Speed Measurements to Detect Convective Activity. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Jeonghwan Park, Joel T. Johnson, Yuchan Yi, Andrew J. O'Brien
2018	J	`jnl`	500-2000-MHz Brightness Temperature Spectra of the Northwestern Greenland Ice Sheet. IEEE Trans. Geosci. Remote. Sens. Kenneth C. Jezek, Joel T. Johnson, Shurun Tan, Leung Tsang, Mark J. Andrews, Marco Brogioni, Giovanni Macelloni, Michael Durand, Chi-Chih Chen, Domenic Belgiovane, Yuna Duan, Caglar Yardim, Hongkun Li, Alexandra Bringer, Vladimir Ye. Leuski, Mustafa Aksoy
2018	C	`conf`	A Study of Cross-Polarized Sea Clutter Using the SSA2 High Frequency Approximation and the Two-Scale Model. IGARSS Shanka N. Wijesundara, Joel T. Johnson
2018	C	`conf`	An Analysis of Bistatic Sea Clutter Statistics. IGARSS Ahmed M. Balakhder, Joel T. Johnson, Hongkun Li
2018	C	`conf`	Cross-Comparison of Three SAR Soil Moisture Retrieval Algorithms Using Synthetic and Experimental Data. IGARSS Anna Balenzano, Giuseppe Satalino, Francesco P. Lovergine, Francesco Mattia, Oliver Cartus, Malcolm W. J. Davidson, Muhammad A. Al-Khaldi, Joel T. Johnson
2018	C	`conf`	Cryorad: A Low Frequency Wideband Radiometer Mission for the Study of the Cryosphere. IGARSS Giovanni Macelloni, Marco Brogioni, Marion Leduc-Leballeur, Francesco Montomoli, Annett Bartsch, Arnaud Mialon, Catherine Ritz, Josep Closa Soteras, Detlef Stammer, Ghislain Picard, Giacomo De Carolis, Jacqueline Boutin, Joel T. Johnson, Keith W. Nicholls, Kenneth C. Jezek, Kimmo Rautiainen, Lars Kaleschke, Laurent Bertino, Leung Tsang, Michiel van den Broeke, Niels Skou, Steffen Tietsche
2018	C	`conf`	CubeSat Radiometer Radio Frequency Interference Technology (CubeRRT) Validation Mission: Enabling Future Resource-Constrained Science Missions. IGARSS Sidharth Misra, Shannon T. Brown, Robert Jarnot, Carl Felten, Rudi Bendig, Jonathan Kocz, Christa McKelvey, Christopher D. Ball, Chi-Chih Chen, Andrew O'Brien, Graeme E. Smith, Mark J. Andrews, Joseph Landon Garry, Joel T. Johnson, Priscilla N. Mohammed, Jared F. Lucey, Kevin Horgan, Quenton Bonds, Carlos Duran-Aviles, Michael Solly, Jinzheng Peng, Jeffrey Piepmeier, Doug Laczkowski, Matthew Pallas, Ervin Krauss
2018	J	`jnl`	Foreword to the Special Issue on the 2017 IEEE International Geoscience and Remote Sensing Symposium. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Saibun Tjuatja, David Kunkee, Joel T. Johnson, Kun-Shan Chen
2018	C	`conf`	Fully Adaptive Remote Sensing Observing System Simulation Experiments. IGARSS Graeme E. Smith, Adam E. Mitchell, Christopher D. Ball, Andrew O'Brien, Joel T. Johnson
2018	C	`conf`	GNSS-R Time-Series Soil Moisture Retrievals from Vegetated Surfaces. IGARSS Muhammad A. Al-Khaldi, Joel T. Johnson, Andrew O'Brien, Francesco Mattia, Anna Balenzano
2018	C	`conf`	Investigation of Spaceborne Polarimetric GNSS-R Over Land Using the Smap Radar Receiver. IGARSS Matthew Buchanan, Andrew O'Brien, Joel T. Johnson
2018	J	`jnl`	Location of Radio-Frequency Interference Sources Using the SMAP L-Band Radiometer. IEEE Trans. Geosci. Remote. Sens. Yan Soldo, David M. Le Vine, Alexandra Bringer, Paolo de Matthaeis, Roger Oliva, Joel T. Johnson, Jeffrey R. Piepmeier
2018	C	`conf`	Measurements of 0.5-2 GHz Thermal Emission Spectra from the Greenland Ice Sheet, Sea Ice, and Permafrost: Results from September 2017 Campaign. IGARSS Joel T. Johnson, Kenneth C. Jezek, Mark J. Andrews, Hongkun Li, Alexandra Bringer, Caglar Yardim, Domenic Belgiovane, Julie Z. Miller, Michael Durand, Yuna Duan, Giovanni Macelloni, Marco Brogioni, Lars Kaleschke, Shurun Tan, Leung Tsang
2018	C	`conf`	Modeling of Sea State Conditions for Improvement of Cygnss L2 Wind Speed Retrievals. IGARSS Tianlin Wang, Valery U. Zavorotny, Joel T. Johnson, Christopher Ruf, Yuchan Yi
2018	C	`conf`	Recent Advances in Smap RFI Processing. IGARSS Yan Soldo, David M. Le Vine, Alexandra Bringer, Priscilla N. Mohammed, Paolo de Matthaeis, Jeffrey R. Piepmeier, Joel T. Johnson
2018	C	`conf`	SMAP Mission: Changes in the RFI Environment. IGARSS Alexandra Bringer, Matthew Daehn, Joel T. Johnson, Yan Soldo, David M. Le Vine, Paolo de Matthaeis, Jeffrey R. Piepmeier, Priscilla N. Mohammed
2018	C	`conf`	Sentinel-1 & Sentinel-2 for SOIL Moisture Retrieval at Field Scale. IGARSS Francesco Mattia, Anna Balenzano, Giuseppe Satalino, Francesco P. Lovergine, Jian Peng, Urs Wegmüller, Oliver Cartus, Malcolm W. J. Davidson, Seung-Bum Kim, Joel T. Johnson, Jeffrey P. Walker, Xiaoling Wu, Valentijn R. N. Pauwels, Heather McNairn, Thomas Caldwell, Michael H. Cosh, Thomas J. Jackson
2018	C	`conf`	Testing and Operation Planning of the Cubesat Radiometer Radio Frequency Interference Technology Validation (Cuberrt) System. IGARSS Christa McKelvey, Christopher D. Ball, Chi-Chih Chen, Andrew O'Brien, Graeme E. Smith, Mark J. Andrews, Joseph Landon Garry, Joel T. Johnson, Sidharth Misra, Shannon T. Brown, Robert Jarnot, Rudi Bendig, Carl Felten, Jonathan Kocz, Kevin Horgan, Jared F. Lucey, Carlos Duran-Aviles, Michael Solly, Jinzheng Peng, Jeffrey Piepmeier, Doug Laczkowski, David Hall, Ervin Krauss
2018	J	`jnl`	The Ultrawideband Software-Defined Microwave Radiometer: Instrument Description and Initial Campaign Results. IEEE Trans. Geosci. Remote. Sens. Mark J. Andrews, Joel T. Johnson, Kenneth C. Jezek, Hongkun Li, Alexandra Bringer, Chi-Chih Chen, Domenic Belgiovane, Vladimir Ye. Leuski, Giovanni Macelloni, Marco Brogioni
2018	C	`conf`	Using 0.5-2 ghz Microwave Radiometry to Derive Ocean Salinity. IGARSS Oguz Demir, Alexandra Bringer, Joel T. Johnson, Mark J. Andrews, Ethan Raines, Kenneth C. Jezek, Giovanni Macelloni, Marco Brogioni
2017	J	`jnl`	A Study of Wind Direction Effects on Sea Surface Specular Scattering for GNSS-R Applications. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Jeonghwan Park, Joel T. Johnson
2017	J	`jnl`	A Time-Series Approach to Estimating Soil Moisture From Vegetated Surfaces Using L-Band Radar Backscatter. IEEE Trans. Geosci. Remote. Sens. Jeffrey D. Ouellette, Joel T. Johnson, Anna Balenzano, Francesco Mattia, Giuseppe Satalino, Seung-Bum Kim, Roy Scott Dunbar, Andreas Colliander, Michael H. Cosh, Todd G. Caldwell, Jeffrey P. Walker, Aaron A. Berg
2017	C	`conf`	A partial coherent model of brightness temperatures of polar ICE sheets at l band incorporating multi-layer roughness effects based on SPM2 theory. IGARSS Mohammadreza Sanamzadeh, Leung Tsang, Joel T. Johnson
2017	C	`conf`	A study of wind direction effects on GNSS-R delay Doppler maps near the specular point. IGARSS Jeonghwan Park, Joel T. Johnson
2017	C	`conf`	Calibration and validation of the cygnss level 1 data products. IGARSS Scott Gleason, Christopher Ruf, Maria Paola Clarizia, Joel T. Johnson, Andrew O'Brien, Paul S. Chang, Zorana Jelenak, Faozi Said, Seubson Soisuvarn
2017	C	`conf`	Comparing the cygnss simulator forward scattering model with TDS-1 and cygnss on-orbit DDMS. IGARSS Andrew O'Brien, Joel T. Johnson
2017	C	`conf`	Development of the cubesat radiometer radio frequency interference technology validation (cuberrt) system. IGARSS Christopher D. Ball, Chi-Chih Chen, Andrew O'Brien, Graeme E. Smith, Christa McKelvey, Mark J. Andrews, Joseph Landon Garry, Joel T. Johnson, Sidharth Misra, Shannon T. Brown, Robert Jarnot, Jonathan Kocz, Damon Bradley, Priscilla N. Mohammed, Jared F. Lucey, Kevin Horgan, Quenton Bonds, Carlos Duran-Aviles, Michael Solly, Jeffrey Piepmeier, Matthew Pallas, Ervin Krauss
2017	C	`conf`	Investigating "rapid revisit" observations of cygnss. IGARSS Jeonghwan Park, Joel T. Johnson, Andrew O'Brien, Yuchan Yi
2017	J	`jnl`	Microwave Thermal Emission Characteristics of a Two-Layer Medium With Rough Interfaces Using the Second-Order Small Perturbation Method. IEEE Geosci. Remote. Sens. Lett. Robert J. Burkholder, Joel T. Johnson, Mohammadreza Sanamzadeh, Leung Tsang, Shurun Tan
2017	J	`jnl`	On the Amplitude Distributions of Bistatic Scattered Fields From Rough Surfaces. IEEE Trans. Geosci. Remote. Sens. Hongkun Li, Joel T. Johnson
2017	C	`conf`	Performance of SMAP radiometer RFI detection algorithms and analysis of residual RFI sources. IGARSS Alexandra Bringer, Joel T. Johnson, Priscilla N. Mohammed, Jeffrey R. Piepmeier
2017	C	`conf`	Preliminary study for a spaceborne ultrawideband microwave radiometer for the monitoring of cryosphere elements: The cryorad project. IGARSS Giovanni Macelloni, Marco Brogioni, Francesco Montomoli, Marion Leduc-Leballeur, Giacomo De Carolis, Lars Kaleschke, Joel T. Johnson, Kenneth C. Jezek
2017	C	`conf`	Sentinel-1 high resolution soil moisture. IGARSS Francesco Mattia, Anna Balenzano, Giuseppe Satalino, Francesco P. Lovergine, Alexander Loew, Jian Peng, Urs Wegmüller, Maurizio Santoro, Oliver Cartus, Katarzyna Dabrowska-Zielinska, Jan Pawel Musial, Malcolm W. J. Davidson, Simon Yueh, Seung-Bum Kim, Narendra N. Das, Andreas Colliander, Joel T. Johnson, Jeffrey Ouellette, Jeffrey P. Walker, Xiaoling Wu, Heather McNairn, Amine Merzouki, Jarrett Powers, Todd Caldwell, Dara Entekhabi, Michael H. Cosh, Thomas J. Jackson
2017	J	`jnl`	Surface Soil Moisture Retrieval Using the L-Band Synthetic Aperture Radar Onboard the Soil Moisture Active-Passive Satellite and Evaluation at Core Validation Sites. IEEE Trans. Geosci. Remote. Sens. Seung-Bum Kim, Jakob J. van Zyl, Joel T. Johnson, Mahta Moghaddam, Leung Tsang, Andreas Colliander, Roy Scott Dunbar, Thomas J. Jackson, Sermsak Jaruwatanadilok, Richard D. West, Aaron Berg, Todd Caldwell, Michael H. Cosh, David C. Goodrich, Stanley Livingston, Ernesto López-Baeza, Tracy L. Rowlandson, Marc Thibeault, Jeffrey P. Walker, Dara Entekhabi, Eni G. Njoku, Peggy E. O'Neill, Simon H. Yueh
2017	C	`conf`	The CubeSat Radiometer Radio Frequency Interference Technology (CubeRRT) validation mission: Performance and development of the Digital Backend technology. IGARSS Sidharth Misra, Jonathan Kocz, Carl Felten, Robert Jarnot, Rudi Bendig, Shannon T. Brown, Joel T. Johnson
2017	C	`conf`	The Ultra-Wideband Software Defined Microwave Radiometer (UWBRAD) for Ice sheet subsurface temperature sensing: Calibration and campaign results. IGARSS Mark J. Andrews, Hongkun Li, Joel T. Johnson, Kenneth C. Jezek, Alexandra Bringer, Caglar Yardim, Chi-Chih Chen, Domenic Belgiovane, Vladimir Ye. Leuski, Michael Durand, Yuna Duan, Giovanni Macelloni, Marco Brogioni, Shurun Tan, Leung Tsang
2017	C	`conf`	The ultra-wideband software defined microwave radiometer (UWBRAD) for ice sheet subsurface temperature sensing: RFI algorithms and performance. IGARSS Mark J. Andrews, Hongkun Li, Joel T. Johnson, Alexandra Bringer
2016	C	`conf`	A partially coherent microwave emission model for polar ice sheets with density fluctuations and multilayer rough interfaces from 0.5 to 2 GHZ. IGARSS Leung Tsang, Tian-Lin Wang, Joel T. Johnson, Kenneth C. Jezek, Shurun Tan
2016	J	`jnl`	Detection of Inland Open Water Surfaces Using Dual Polarization L-Band Radar for the Soil Moisture Active Passive Mission. IEEE Trans. Geosci. Remote. Sens. Seung-Bum Kim, Jeffrey D. Ouellette, Jakob J. van Zyl, Joel T. Johnson
2016	J	`jnl`	L-Band Radio-Frequency Interference Observations During the SMAP Validation Experiment 2012. IEEE Trans. Geosci. Remote. Sens. Mustafa Aksoy, Joel T. Johnson, Sidharth Misra, Andreas Colliander, Ian O'Dwyer
2016	C	`conf`	Modeling polarimetric sea surface specular scattering for GNSS-R applications. IGARSS Jeonghwan Park, Joel T. Johnson, Jeffrey Ouellette
2016	J	`jnl`	SMAP L-Band Microwave Radiometer: RFI Mitigation Prelaunch Analysis and First Year On-Orbit Observations. IEEE Trans. Geosci. Remote. Sens. Priscilla N. Mohammed, Mustafa Aksoy, Jeffrey R. Piepmeier, Joel T. Johnson, Alexandra Bringer
2016	C	`conf`	Soil Moisture Active Passive (SMAP) microwave radiometer radio-frequency interference (RFI) mitigation: Algorithm updates and performance assessment. IGARSS Joel T. Johnson, Priscilla N. Mohammed, Jeffrey R. Piepmeier, Alexandra Bringer, Mustafa Aksoy
2016	C	`conf`	Studies of TDS-1 GNSS-R ocean altimetry using a "full DDM" retrieval approach. IGARSS Jeonghwan Park, Joel T. Johnson, Andrew O'Brien, Stephen T. Lowe
2016	C	`conf`	Surface soil moisture retrieval using L-band SMAP SAR data and its validation. IGARSS Seung-Bum Kim, Jakob J. van Zyl, Joel T. Johnson, Mahta Moghaddam, Leung Tsang, Andreas Colliander, Roy Scott Dunbar, Thomas J. Jackson, Sermsak Jaruwatanadilok, Richard D. West, Aaron A. Berg, Todd Caldwell, Michael H. Cosh, Ernesto López-Baeza, Marc Thibeault, Jeffrey P. Walker, Dara Entekhabi, Simon Yueh
2016	C	`conf`	Testing the feasibility of a bayesian retrieval of greenland ice sheet internal temperature from ultra-wideband software-defined microwave radiometer (UWBRAD) measurements. IGARSS Yuna Duan, Michael Durand, Kenneth C. Jezek, Caglar Yardim, Alexandra Bringer, Mustafa Aksoy, Joel T. Johnson
2016	C	`conf`	The CubeSat Radiometer Radio Frequency Interference Technology Validation (CubeRRT) mission. IGARSS Joel T. Johnson, Chi-Chih Chen, Andrew O'Brien, Graeme E. Smith, Christa McKelvey, Mark J. Andrews, Christopher D. Ball, Sidharth Misra, Shannon T. Brown, Jonathan Kocz, Robert Jarnot, Damon C. Bradley, Priscilla N. Mohammed, Jared F. Lucey, Jeffrey R. Piepmeier
2016	C	`conf`	The Ultra-wideband Software-Defined Radiometer (UWBRAD) for ice sheet internal temperature sensing: Results from recent observations. IGARSS Joel T. Johnson, Kenneth C. Jezek, Mustafa Aksoy, Alexandra Bringer, Caglar Yardim, Mark J. Andrews, Chi-Chih Chen, Domenic Belgiovane, Vladimir Ye. Leuski, Michael Durand, Yuna Duan, Giovanni Macelloni, Marco Brogioni, Shurun Tan, Tian-Lin Wang, Leung Tsang
2015	J	`jnl`	A Simplified Formulation for Rough Surface Cross-Polarized Backscattering Under the Second-Order Small-Slope Approximation. IEEE Trans. Geosci. Remote. Sens. Charles-Antoine Guérin, Joel T. Johnson
2015	C	`conf`	A multistatic radar approach to soil moisture and vegetation monitoring at L band. IGARSS Nazzareno Pierdicca, Marco Brogioni, Leila Guerriero, Simonetta Paloscia, Nicolas Floury, Joel T. Johnson, Jeffrey D. Ouellette, Caglar Yardim
2015	C	`conf`	An intercomparison of models for predicting bistatic scattering from rough surfaces. IGARSS Caglar Yardim, Joel T. Johnson, Robert J. Burkholder, Fernando L. Teixeira, Jeffrey Ouellette, Kun-Shan Chen, Marco Brogioni, Nazzareno Pierdicca
2015	—	`conf`	Bistatic coherent MIMO clutter rank analysis. EUSIPCO Kristine L. Bell, Joel T. Johnson, Christopher Baker, Graeme E. Smith, Muralidhar Rangaswamy
2015	J	`jnl`	Cognitive Radar Framework for Target Detection and Tracking. IEEE J. Sel. Top. Signal Process. Kristine L. Bell, Christopher J. Baker, Graeme E. Smith, Joel T. Johnson, Muralidhar Rangaswamy
2015	—	`conf`	Experiments with cognitive radar. CAMSAP Graeme E. Smith, Zach Cammenga, Adam E. Mitchell, Kristine L. Bell, Murali Rangaswamy, Joel T. Johnson, Christopher J. Baker
2015	J	`jnl`	Physical Models of Layered Polar Firn Brightness Temperatures From 0.5 to 2 GHz. IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens. Shurun Tan, Mustafa Aksoy, Marco Brogioni, Giovanni Macelloni, Michael Durand, Kenneth C. Jezek, Tian-Lin Wang, Leung Tsang, Joel T. Johnson, Mark R. Drinkwater, Ludovic Brucker
2015	J	`jnl`	Radiometric Approach for Estimating Relative Changes in Intraglacier Average Temperature. IEEE Trans. Geosci. Remote. Sens. Kenneth C. Jezek, Joel T. Johnson, Mark Drinkwater, Giovanni Macelloni, Leung Tsang, Mustafa Aksoy, Michael Durand
2015	C	`conf`	Real-time estimation of ocean wave fields from marine radar data. IGARSS David R. Lyzenga, Okey G. Nwogu, Robert F. Beck, Andrew O'Brien, Joel T. Johnson, Tony de Paolo, Eric Terrill
2014	J	`jnl`	A Simulation Study of Compact Polarimetry for Radar Retrieval of Soil Moisture. IEEE Trans. Geosci. Remote. Sens. Jeffrey Ouellette, Joel T. Johnson, Seung-Bum Kim, Jakob J. van Zyl, Mahta Moghaddam, Michael W. Spencer, Leung Tsang, Dara Entekhabi
2014	C	`conf`	An examination of multi-frequency microwave radiomtry for probing subsurface ice sheet temperature. IGARSS Mustafa Aksoy, Joel T. Johnson, Kenneth C. Jezek, Mchael Durad, Mark R. Drinkwater, Govanni Macellonf, Leung Tsang
2014	J	`jnl`	Comparison of Model Predictions With Measurements of Ku- and Ka-Band Near-Nadir Normalized Radar Cross Sections of the Sea Surface From the Genesis and Rapid Intensification Processes Experiment. IEEE Trans. Geosci. Remote. Sens. Ninoslav Majurec, Joel T. Johnson, Simone Tanelli, Stephen L. Durden
2014	J	`jnl`	Numerical and experimental studies of target detection with MIMO radar. IEEE Trans. Aerosp. Electron. Syst. Mark T. Frankford, Kyle B. Stewart, Ninoslav Majurec, Joel T. Johnson
2014	J	`jnl`	Polarization Features in Bistatic Scattering From Rough Surfaces. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Jeffrey Ouellette
2014	C	`conf`	Radio frequency interference observations using an L-Band direct sampling receiver during the SMAPVEX12 airborne campaign. IGARSS Mustafa Aksoy, Joel T. Johnson, Sidharth Misra
2014	J	`jnl`	Radio-Frequency Interference Mitigation for the Soil Moisture Active Passive Microwave Radiometer. IEEE Trans. Geosci. Remote. Sens. Jeffrey R. Piepmeier, Joel T. Johnson, Priscilla N. Mohammed, Damon Bradley, Christopher Ruf, Mustafa Aksoy, Rafael García, Derek Hudson, Lynn Miles, Mark Englin Wong
2014	J	`jnl`	Simulation and analysis of polarimetric radar signatures of human gaits. IEEE Trans. Aerosp. Electron. Syst. James Park, Joel T. Johnson, Ninoslav Majurec, Mark Frankford, Kyle B. Stewart, Graeme E. Smith, Lamar Westbrook
2014	J	`jnl`	Tests of the SMAP Combined Radar and Radiometer Algorithm Using Airborne Field Campaign Observations and Simulated Data. IEEE Trans. Geosci. Remote. Sens. Narendra Narayan Das, Dara Entekhabi, Eni G. Njoku, Jiancheng Shi, Joel T. Johnson, Andreas Colliander
2014	C	`conf`	Understanding SMOS data in Antarctica. IGARSS Giovanni Macelloni, Marco Brogioni, Mustafa Aksoy, Joel T. Johnson, Kenneth C. Jezek, Mark Drinkwater
2013	J	`jnl`	A Comparative Analysis of Low-Level Radio Frequency Interference in SMOS and Aquarius Microwave Radiometer Measurements. IEEE Trans. Geosci. Remote. Sens. Mustafa Aksoy, Joel T. Johnson
2013	J	`jnl`	A Study of SMOS RFI Over North America. IEEE Geosci. Remote. Sens. Lett. Mustafa Aksoy, Joel T. Johnson
2013	J	`jnl`	A Study of Sea Surface Range-Resolved Doppler Spectra Using Numerically Simulated Low-Grazing-Angle Backscatter Data. IEEE Trans. Geosci. Remote. Sens. Chun-Sik Chae, Joel T. Johnson
2013	J	`jnl`	A Study of Sea Surface Wind Vector Estimation From Near-Nadiral Cross-Track-Scanned Backscatter Data. IEEE Geosci. Remote. Sens. Lett. Alexey Nekrasov, Jeffrey Ouellette, Ninoslav Majurec, Joel T. Johnson
2013	C	`conf`	SMAP RFI mitigation algorithm performance characterization using airborne high-rate direct-sampled SMAPVEX 2012 data. IGARSS Sidharth Misra, Joel T. Johnson, Mustafa Aksoy, Jinzheng Peng, Damon Bradley, Ian O'Dwyer, Sharmila Padmanabhan, Douglas E. Dawson, Seth L. Chazanoff, Barron Latham, Todd Gaier, Caroline Flores-Helizon, Richard F. Denning
2012	J	`jnl`	A Study of the Fourth-Order Small Perturbation Method for Scattering From Two-Layer Rough Surfaces. IEEE Trans. Geosci. Remote. Sens. Metin A. Demir, Joel T. Johnson, Tom J. Zajdel
2012	C	`conf`	An experimental and theoretical study on the sensitivity of cross-polarized backscatter to soil moisture. IGARSS Anna Balenzano, Francesco Mattia, Giuseppe Satalino, Jeffrey Ouellette, Joel T. Johnson
2012	C	`conf`	Assessment of the impacts of radio frequency interference on SMAP radar and radiometer measurements. IGARSS Curtis W. Chen, Jeffrey R. Piepmeier, Joel T. Johnson, Hirad Ghaemi
2012	J	`jnl`	Soil Moisture Retrieval Using Time-Series Radar Observations Over Bare Surfaces. IEEE Trans. Geosci. Remote. Sens. Seung-Bum Kim, Leung Tsang, Joel T. Johnson, Shaowu Huang, Jakob J. van Zyl, Eni G. Njoku
2011	J	`jnl`	A Study of Interferometric Phase Statistics and Accuracy for Sea Surface Height Retrievals from Numerically Simulated Low-Grazing-Angle Backscatter Data. IEEE Trans. Geosci. Remote. Sens. Chun-Sik Chae, Joel T. Johnson
2011	C	`conf`	A study of sea surface height retrieval using Doppler measurements from numerically simulated low grazing angle backscatter data. IGARSS Chun-Sik Chae, Joel T. Johnson
2011	J	`jnl`	Airborne L-Band Radio Frequency Interference Observations From the SMAPVEX08 Campaign and Associated Flights. IEEE Trans. Geosci. Remote. Sens. James Park, Joel T. Johnson, Ninoslav Majurec, Noppasin Niamsuwan, Jeffrey R. Piepmeier, Priscilla N. Mohammed, Christopher S. Ruf, Sidharth Misra, Simon Yueh, Steve J. Dinardo
2011	—	`conf`	MIMO radar target measurements. ACSCC Kyle B. Stewart, Mark Frankford, Joel T. Johnson, Emre Ertin
2011	C	`conf`	Radio frequency interference mitigation for the planned SMAP radar and radiometer. IGARSS Michael W. Spencer, Samuel F. Chan, Eric Belz, Jeffrey Piepmeier, Priscilla N. Mohammed, Edward Kim, Joel T. Johnson
2011	C	`conf`	Soil moisture retrieval over low-vegetation surfaces using time-series radar observations and a lookup table representation of forward scattering. IGARSS Seung-Bum Kim, Shaowu Huang, Leung Tsang, Joel T. Johnson, Eni G. Njoku
2011	C	`conf`	Studies of radio frequency interference in SMOS observations. IGARSS Joel T. Johnson, Mustafa Aksoy
2010	J	`jnl`	A Monte Carlo Study of Altimeter Pulse Returns and the Electromagnetic Bias. IEEE Trans. Geosci. Remote. Sens. Praphun Naenna, Joel T. Johnson
2010	J	`jnl`	Compensation of Faraday Rotation in Multipolarization Scatterometry. IEEE Trans. Geosci. Remote. Sens. Mark Frankford, Joel T. Johnson
2010	C	`conf`	Deriving soil moisture with the combined L-band radar and radiometer measurements. IGARSS Jiancheng Shi, Kun-Shan Chen, Leung Tsang, Thomas J. Jackson, Eni G. Njoku, Jakob J. van Zyl, Peggy O'Neill, Dara Entekhabi, Joel T. Johnson, Mahta Moghaddam
2010	J	`jnl`	Including Spatial Correlations in the Statistical MIMO Radar Target Model. IEEE Signal Process. Lett. Mark Frankford, Joel T. Johnson, Emre Ertin
2010	J	`jnl`	Performance Study of a Cross-Frequency Detection Algorithm for Pulsed Sinusoidal RFI in Microwave Radiometry. IEEE Trans. Geosci. Remote. Sens. Baris Guner, Noppasin Niamsuwan, Joel T. Johnson
2010	J	`jnl`	The Soil Moisture Active Passive (SMAP) Mission. Proc. IEEE Dara Entekhabi, Eni G. Njoku, Peggy O'Neill, Kent H. Kellogg, Wade T. Crow, Wendy N. Edelstein, Jared Entin, Shawn D. Goodman, Thomas J. Jackson, Joel T. Johnson, John S. Kimball, Jeffrey R. Piepmeier, Randal D. Koster, Neil Martin, Kyle McDonald, Mahta Moghaddam, Mary Susan Moran, Rolf Reichle, Jiancheng Shi, Michael W. Spencer, Samuel W. Thurman, Leung Tsang, Jakob J. van Zyl
2009	J	`jnl`	A Numerical Study of the Retrieval of Sea Surface Height Profiles From Low Grazing Angle Radar Data. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Robert J. Burkholder, Jakov V. Toporkov, David Lyzenga, William J. Plant
2009	J	`jnl`	A Study of the Shapiro-Wilk Test for the Detection of Pulsed Sinusoidal Radio Frequency Interference. IEEE Trans. Geosci. Remote. Sens. Baris Güner, Mark Frankford, Joel T. Johnson
2009	—	`conf`	Airborne L-band RFI Observations in the smapvex08 Campaign with the L-band Interference Suppressing Radiometer. IGARSS (2) Ninoslav Majurec, James Park, Noppasin Niamsuwan, Mark Frankford, Joel T. Johnson
2009	J	`jnl`	Microwave Radiometer Radio-Frequency Interference Detection Algorithms: A Comparative Study. IEEE Trans. Geosci. Remote. Sens. Sidharth Misra, Priscilla N. Mohammed, Baris Güner, Christopher S. Ruf, Jeffrey R. Piepmeier, Joel T. Johnson
2009	—	`conf`	Performance Analysis of a Cross-frequency Detector of Pulsed Sinusoidal RFI in Microwave Radiometry. IGARSS (2) Baris Guner, Joel T. Johnson, Ninoslav Majurec
2009	J	`jnl`	Performance Study of Algorithms for Detecting Pulsed Sinusoidal Interference in Microwave Radiometry. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Lee C. Potter
2009	J	`jnl`	Through-Wall Sensing With Multifrequency Microwave Radiometry: A Proof-of-Concept Demonstration. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Metin A. Demir, Ninoslav Majurec
2008	J	`jnl`	A Numerical Method for Studying Modulation Effects in Radar Observations of the Sea Surface. IEEE Trans. Geosci. Remote. Sens. Guangdong Pan, Joel T. Johnson
2008	—	`conf`	A Study of Algorithms for Detecting Pulsed Sinusoidal Interference in Microwave Radiometry. IGARSS (2) Joel T. Johnson, Lee C. Potter
2008	—	`conf`	Compensation of Faraday Rotation in Multi-Polarization Scatterometry. IGARSS (2) Mark Frankford, Joel T. Johnson
2008	—	`conf`	Low Frequency Sea and Ice Sheet Impulse Responses Acquired by the Global Ice Sheet Mapping Orbiter (GISMO) Demonstrator. IGARSS (2) Noppasin Niamsuwan, Joel T. Johnson
2008	—	`conf`	Monte Carlo Simulation of Altimeter Pulse Returns and Electromagnetic Bias. IGARSS (5) Praphun Naenna, Joel T. Johnson
2008	—	`conf`	On the Shapiro-Wilk Test for the Detection of Pulsed Sinusoidal Radio Frequency Interference. IGARSS (2) Baris Guner, Mark Frankford, Joel T. Johnson
2007	J	`jnl`	A New Model for Rough Surface Scattering. IEEE Trans. Geosci. Remote. Sens. Tanos M. Elfouhaily, Joel T. Johnson
2007	J	`jnl`	Band-Limited Exponential Correlation Function for Rough-Surface Scattering. IEEE Trans. Geosci. Remote. Sens. Alongkorn Darawankul, Joel T. Johnson
2007	J	`jnl`	Computation of Oceanlike Surface Thermal Emission and Bistatic Scattering With the Reduced Local Curvature Approximation. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Tanos M. Elfouhaily
2007	C	`conf`	Cross frequency blanking for RFI mitigation: A C-band case study. IGARSS Joel T. Johnson, Baris Guner
2007	J	`jnl`	Foreword to the Special Issue on Subsurface Sensing Using Ground-Penetrating Radar (GPR). IEEE Trans. Geosci. Remote. Sens. Chi-Chih Chen, Joel T. Johnson, Motoyuki Sato, Alexander G. Yarovoy
2007	J	`jnl`	Fourth-Order Small-Slope Theory of Sea-Surface Brightness Temperatures. IEEE Trans. Geosci. Remote. Sens. Metin A. Demir, Joel T. Johnson
2007	J	`jnl`	On the Geometrical Optics (Hagfors' Law) and Physical Optics Approximations for Scattering From Exponentially Correlated Surfaces. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Karl F. Warnick, Peng Xu
2007	C	`conf`	The reduced local curvature approximation for rough surface scattering. IGARSS Tanos M. Elfouhaily, Joel T. Johnson
2007	J	`jnl`	Time and Frequency Blanking for Radio-Frequency Interference Mitigation in Microwave Radiometry. IEEE Trans. Geosci. Remote. Sens. Baris Güner, Joel T. Johnson, Noppasin Niamsuwan
2006	C	`conf`	A Numerical Study of the Modulation of Short Sea Waves by Longer Waves. IGARSS Guangdong Pan, Joel T. Johnson
2006	C	`conf`	A Study of Wind Direction Signals in WindSat Linearly Polarized Channels. IGARSS Praphun Naenna, Joel T. Johnson
2006	J	`jnl`	A numerical study of the modulation of ShortSea waves by longer waves. IEEE Trans. Geosci. Remote. Sens. Guangdong Pan, Joel T. Johnson
2006	J	`jnl`	A polarimetric survey of radio-frequency interference in C- and X-bands in the continental united states using WindSat radiometry. IEEE Trans. Geosci. Remote. Sens. Steven W. Ellingson, Joel T. Johnson
2006	J	`jnl`	Airborne radio-frequency interference studies at C-band using a digital receiver. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Albin J. Gasiewski, Baris Güner, Grant A. Hampson, Steven W. Ellingson, Rangarajan Krishnamachari, Noppasin Niamsuwan, Eric M. McIntyre, Marian Klein, Vladimir Ye. Leuski
2006	J	`jnl`	An efficient two-scale model for the computation of thermal emission and atmospheric reflection from the sea surface. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson
2006	C	`conf`	Comparison of Surface Scattering Models for Gaussian and Exponential Surfaces. IGARSS Alongkorn Darawankul, Joel T. Johnson, Kun-Shan Chen
2006	C	`conf`	High Altitude Measurements of C-band Radio Frequency Interference Using a Digital Receiver. IGARSS Joel T. Johnson, Albin J. Gasiewski, Baris Güner, M. Valerio, Marian Klein
2006	C	`conf`	Observations of an ARSR System in Canton, MI with the L-band Interference Suppressing Radiometer. IGARSS Noppasin Niamsuwan, Baris Güner, Joel T. Johnson
2006	C	`conf`	Studies of Ocean Surface Profile Retrieval from Simulated LGA Radar Data. IGARSS Guangdong Pan, Robert J. Burkholder, Joel T. Johnson, Jakov V. Toporkov, Mark A. Sletten
2005	J	`jnl`	A study of ocean-like surface thermal emission and reflection using Voronovich's small slope approximation. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson
2005	C	`conf`	Sky observations at L-band with an interference suppressing microwave radiometer. IGARSS Noppasin Niamsuwan, Joel T. Johnson
2004	J	`jnl`	A numerical study of buried biomass effects on ground-penetrating radar performance. IEEE Trans. Geosci. Remote. Sens. Nakasit Niltawach, Chi-Chih Chen, Joel T. Johnson, Brian A. Baertlein
2004	C	`conf`	A study of rough surface thermal emission and reflection using Voronovich's small slope approximation. IGARSS Joel T. Johnson
2004	J	`jnl`	A study of scattering from an object below a rough surface. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Robert J. Burkholder
2004	C	`conf`	Airborne radio frequency interference studies at C-band using a digital receiver. IGARSS Joel T. Johnson, Albin J. Gasiewski, Grant A. Hampson, Steven W. Ellingson, Rangarajan Krishnamachari, Marian Klein
2004	C	`conf`	Calculation of the fourth order small slope theory of thermal emission from the sea surface. IGARSS Metin A. Demir, Joel T. Johnson
2004	C	`conf`	Design and demonstration of an interference suppressing microwave radiometer. IGARSS Joel T. Johnson, Grant A. Hampson, Steven W. Ellingson
2004	J	`jnl`	Optical theorem for electromagnetic scattering by a three-dimensional scatterer in the presence of a lossless half space. IEEE Geosci. Remote. Sens. Lett. Danai Torrungrueng, Baran U. Ungan, Joel T. Johnson
2003	C	`conf`	A study of sea emission models for WindSat. IGARSS Joel T. Johnson, W. H. Theunissen, Steven W. Ellingson
2003	J	`jnl`	Antidotes for Anthrax Anecdotes. Commun. Res. Charles R. Berger, Joel T. Johnson, Eun-Ju Lee
2003	C	`conf`	Characterization of L-band RFI and implications for mitigation techniques. IGARSS Steven W. Ellingson, Grant A. Hampson, Joel T. Johnson
2003	C	`conf`	Design of an L-band microwave radiometer with active mitigation of interference. IGARSS Steven W. Ellingson, Grant A. Hampson, Joel T. Johnson
2003	J	`jnl`	Further numerical studies of backscattering from time-evolving nonlinear sea surfaces. IEEE Trans. Geosci. Remote. Sens. Alfonso R. Hayslip, Joel T. Johnson, Gregory R. Baker
2003	J	`jnl`	Gender, Rationality, and Base-Rate Explanations for Increasing Trends. Commun. Res. Charles R. Berger, Eun-Ju Lee, Joel T. Johnson
2002	J	`jnl`	A theoretical study of sea surface up/down wind brightness temperature differences. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Yongyao Cai
2002	J	`jnl`	Comparison of the physical optics and small slope theories for polarimetric thermal emission from the sea surface. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson
2002	C	`conf`	Further numerical studies of backscattering from time evolving non-linear sea surfaces. IGARSS Alfonso R. Hayslip, Joel T. Johnson, Gregory R. Baker
2002	C	`conf`	Implementation of the higher order small slope approximation for scattering from a Gaussian rough surface. IGARSS M. S. Gilbert, Joel T. Johnson
2002	J	`jnl`	Radar image study of simulated breaking waves. IEEE Trans. Geosci. Remote. Sens. Hyunjun Kim, Joel T. Johnson
2002	C	`conf`	Remote sensing of rough surface spectra with multi-frequency microwave radiometry. IGARSS Yonghun Cheon, Joel T. Johnson, David R. Wiggins
2002	C	`conf`	Sub-surface object sensing with multi-frequency microwave radiometry. IGARSS David R. Wiggins, Hyunjun Kim, Yonghun Cheon, Joel T. Johnson
2002	J	`jnl`	Subsurface object sensing with a multifrequency microwave radiometer. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Hyunjun Kim, David R. Wiggins, Yonghun Cheon
2001	J	`jnl`	A numerical study of backscattering from time-evolving sea surfaces: comparison of hydrodynamic models. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Jakov V. Toporkov, Gary S. Brown
2001	J	`jnl`	Comparison of modeled and measured second azimuthal harmonics of ocean surface brightness temperatures. IEEE Trans. Geosci. Remote. Sens. Min Zhang, Joel T. Johnson
2001	J	`jnl`	Coupled canonical grid/discrete dipole approach for computing scattering from objects above or below a rough interface. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Robert J. Burkholder
2001	J	`jnl`	Thermal emission from a layered medium bounded by a slightly rough interface. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson
2000	J	`jnl`	A novel acceleration algorithm for the computation of scattering from two-dimensional large-scale perfectly conducting random rough surfaces with the forward-backward method. IEEE Trans. Geosci. Remote. Sens. Danai Torrungrueng, Hsi-Tseng Chou, Joel T. Johnson
2000	J	`jnl`	A numerical model for electromagnetic scattering from sea ice. IEEE Trans. Geosci. Remote. Sens. Elias M. Nassar, Joel T. Johnson, Robert Lee
2000	J	`jnl`	Formulation of forward-backward method using novel spectral acceleration for the modeling of scattering from impedance rough surfaces. IEEE Trans. Geosci. Remote. Sens. Hsi-Tseng Chou, Joel T. Johnson
2000	J	`jnl`	High resolution Ka-band images of a small tree: measurements and models. IEEE Trans. Geosci. Remote. Sens. Hyunjun Kim, Joel T. Johnson, Brian A. Baertlein
2000	J	`jnl`	Time statistics of propagation over the ocean surface: a numerical study. IEEE Trans. Geosci. Remote. Sens. Baran U. Ungan, Joel T. Johnson
1999	J	`jnl`	A numerical study of ocean polarimetric thermal emission. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Robert T. Shin, Jin Au Kong, Leung Tsang, Kyung Pak
1999	J	`jnl`	Theoretical study of the small slope approximation for ocean polarimetric thermal emission. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Min Zhang
1998	J	`jnl`	A numerical study of the composite surface model for ocean backscattering. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Robert T. Shin, Jin Au Kong, Leung Tsang, Kyung Pak
1996	—	`—`	Applications of numerical models for rough surface scattering. Joel T. Johnson
1993	J	`jnl`	Statistical temperature profile retrievals in clear-air using passive 118-GHz O IEEE Trans. Geosci. Remote. Sens. Albin J. Gasiewski, Joel T. Johnson
1993	J	`jnl`	Third Stokes parameter emission from a periodic water surface. IEEE Trans. Geosci. Remote. Sens. Joel T. Johnson, Jin Au Kong, Robert T. Shin, David H. Staelin, Kevin O'Neill, A. W. Lananick