Jakov V. Toporkov

47 papers C 23Journal 22Unranked 2

Year	Rank	Type	Title / Venue / Authors
2025	J	`jnl`	A Multichannel Approach to Ocean Surface Current Measurement With an Ultrawideband ATI-SAR. IEEE Trans. Geosci. Remote. Sens. Mark A. Sletten, Jakov V. Toporkov
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
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	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
2023	C	`conf`	Doppler Properties of Sea Backscatter Simulated with Creamer or Choppy Wave Surface Models. IGARSS Jakov V. Toporkov
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	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
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`	Accuracy of the Coherent Two-Scale Model in Predicting Doppler Moments and Cross-Section of Sea Backscatter as a Function of Scale Separation Length and Incidence Angle. IGARSS Jakov V. Toporkov
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	J	`jnl`	On the Sensitivity of Passive Multistatic Radar Amplitude and Doppler Measurements to Significant Wave Height. IEEE Geosci. Remote. Sens. Lett. Jeffrey D. Ouellette, William T. Bounds, David J. Dowgiallo, Jakov V. Toporkov, Paul A. Hwang
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
2021	C	`conf`	Numerical Simulations and Analysis of Beam-Resolved In-Plane Bistatic Scattering in a Wavetank Setup. IGARSS Jakov V. Toporkov, Jeffrey D. Ouellette
2020	C	`conf`	Impact of Scale Separation in the Coherent Two-Scale Model on Doppler and Normalized Cross Section Predictions for Sea Backscatter - a Numerical Study. IGARSS Jakov V. Toporkov
2019	J	`jnl`	Improved Ocean Surface Velocity Precision Using Multi-Channel SAR. IEEE Trans. Geosci. Remote. Sens. Mark A. Sletten, Jakov V. Toporkov
2019	C	`conf`	Investigation of Doppler Properties of S-Band in-Plane Bistatic Sea Echoes Through Numerical Monte Carlo Simulations: Exact Solution, Two-Scale Model, and Small Slope Approximation. IGARSS Jakov V. Toporkov, Jeffrey D. Ouellette
2019	C	`conf`	Ocean Surface Current Measurement with an Interferometric UHF SAR. IGARSS Mark A. Sletten, Steven Menk, Jakov V. Toporkov
2018	C	`conf`	Investigation of Doppler Spectra of Sea Backscatter Through Large-Scale Monte Carlo Simulations: Direct Numerical Solution And Approximate Models. IGARSS Jakov V. Toporkov, Mark A. Sletten
2017	J	`jnl`	A Theoretical Study of Velocity SAR Imaging of a Moving, Nonstationary Scene. IEEE Trans. Geosci. Remote. Sens. Jakov V. Toporkov
2017	C	`conf`	An interferometric approach to ocean surface velocity imaging using multi-channel SAR. IGARSS Mark A. Sletten, Jakov V. Toporkov
2017	C	`conf`	Numerical simulations of range-resolved radar backscatter from an evolving sea surface with floating targets. IGARSS Jakov V. Toporkov, Mark A. Sletten
2016	J	`jnl`	Maritime Signature Correction With the NRL Multichannel SAR. IEEE Trans. Geosci. Remote. Sens. Mark A. Sletten, Luke Rosenberg, Steve Menk, Jakov V. Toporkov, Robert W. Jansen
2015	C	`conf`	Analysis and correction of maritime SAR signatures with the NRL MSAR. IGARSS Mark A. Sletten, Paul A. Hwang, Jakov V. Toporkov, Steve Menk, Luke Rosenberg, Robert W. Jansen
2015	C	`conf`	Investigation of joint probability density function of high-resolution VV- and HH-polarized X-band sea backscatter obtained through direct numerical simulations. IGARSS Jakov V. Toporkov, Mark A. Sletten
2014	J	`jnl`	Analytical Study of Along-Track InSAR Imaging of a Distributed Evolving Target With Application to Phase and Coherence Signatures of Breakers and Whitecaps. IEEE Geosci. Remote. Sens. Lett. Jakov V. Toporkov
2014	C	`conf`	Joint magnitude and phase properties of numerically simulated highresolution VV- and HH-polarized X-band Sea backscatter over wide range of incidence angles. IGARSS Jakov V. Toporkov, Mark A. Sletten
2012	J	`jnl`	Numerical Simulations and Analysis of Wide-Band Range-Resolved HF Backscatter From Evolving Ocean-Like Surfaces. IEEE Trans. Geosci. Remote. Sens. Jakov V. Toporkov, Mark A. Sletten
2011	J	`jnl`	Surface Velocity Profiles in a Vessel's Turbulent Wake Observed by a Dual-Beam Along-Track Interferometric SAR. IEEE Geosci. Remote. Sens. Lett. Jakov V. Toporkov, Paul A. Hwang, Mark A. Sletten, Gordon Farquharson, Dragana Perkovic, Stephen J. Frasier
2010	C	`conf`	Doppler processing of coherent radar backscatter for ocean surface wave measurements. IGARSS Paul A. Hwang, Mark A. Sletten, Jakov V. Toporkov, Dennis B. Trizna
2010	J	`jnl`	Estimating Surface Water Speeds With a Single-Phase Center SAR Versus an Along-Track Interferometric SAR. IEEE Trans. Geosci. Remote. Sens. Paul R. Kersten, Jakov V. Toporkov, Thomas L. Ainsworth, Mark A. Sletten, Robert W. Jansen
2010	C	`conf`	Observation of a boat and its wake with a Dual-Beam along-track interferometric sar. IGARSS Jakov V. Toporkov, Paul A. Hwang, Mark A. Sletten, Stephen J. Frasier, Gordon Farquharson, Dragana Perkovic
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
2008	—	`conf`	An Empirical Study of Breaking Wave Contribution to Radar Backscatter from the Ocean Surface at Low Grazing Angle. IGARSS (5) Paul A. Hwang, Mark A. Sletten, Jakov V. Toporkov
2008	—	`conf`	Estimating Surface Water Speeds using Time-Frequency Analysis. IGARSS (2) Paul R. Kersten, Robert W. Jansen, Thomas L. Ainsworth, Jakov V. Toporkov, Mark A. Sletten
2007	J	`jnl`	Ocean Mixed-Layer Depth and Current Variation Estimated From Imagery of Surfactant Streaks. IEEE Geosci. Remote. Sens. Lett. George O. Marmorino, Jakov V. Toporkov, Geoffrey B. Smith, Mark A. Sletten, Dragana Perkovic, Stephen J. Frasier, K. Peter Judd
2007	J	`jnl`	Statistical Properties of Low-Grazing Range-Resolved Sea Surface Backscatter Generated Through Two-Dimensional Direct Numerical Simulations. IEEE Trans. Geosci. Remote. Sens. Jakov V. Toporkov, Mark A. Sletten
2007	C	`conf`	Statistical characterization of radar sea scatter for breaking wave detection. IGARSS Paul A. Hwang, Mark A. Sletten, Jakov V. Toporkov
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
2006	C	`conf`	Wave Measurements using a Dual-beam Interferometer Near Gulf Stream Boundary. IGARSS Paul A. Hwang, Jakov V. Toporkov, Mark A. Sletten, D. Lamb, Dragana Perkovic
2005	J	`jnl`	Sea surface velocity vector retrieval using dual-beam interferometry: first demonstration. IEEE Trans. Geosci. Remote. Sens. Jakov V. Toporkov, Dragana Perkovic, Gordon Farquharson, Mark A. Sletten, Stephen J. Frasier
2004	J	`jnl`	A pod-based dual-beam SAR. IEEE Geosci. Remote. Sens. Lett. Gordon Farquharson, William N. Junek, Arun Ramanathan, Stephen J. Frasier, Russell Tessier, David J. McLaughlin, Mark A. Sletten, Jakov V. Toporkov
2004	C	`conf`	Gulf Stream observations obtained with the UMass Dual Beam Interferometer and an infrared camera. IGARSS Dragana Perkovic, Jakov V. Toporkov, Mark A. Sletten, Gordon Farquharson, Stephen J. Frasier, George O. Marmorino, K. Peter Judd
2004	C	`conf`	Initial vector velocity estimates from the UMass Dual Beam Interferometer. IGARSS Jakov V. Toporkov, Mark A. Sletten, Dragana Perkovic, Gordon Farquharson, Stephen J. Frasier
2003	C	`conf`	First observations with the UMass dual-beam InSAR. IGARSS William N. Junek, Arun Ramanathan, Gordon Farquharson, Stephen J. Frasier, Russell Tessier, David J. McLaughlin, Mark A. Sletten, Jakov V. Toporkov
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`	Projection pursuit classification of multiband polarimetric SAR land images. IEEE Trans. Geosci. Remote. Sens. Dennis B. Trizna, Charles M. Bachmann, Mark A. Sletten, Nick Allan, Jakov V. Toporkov, R. Harris
2000	J	`jnl`	Numerical simulations of scattering from time-varying, randomly rough surfaces. IEEE Trans. Geosci. Remote. Sens. Jakov V. Toporkov, Gary S. Brown