Marco Schwerdt

39 papers C 12Journal 23Unranked 4
YearRankTypeTitle / Venue / Authors
2023 J jnl
Highly Accurate Radar Cross-Section and Transfer Function Measurement of a Digital Calibration Transponder without Known Reference - Part I: Measurement and Results.
Remote. Sens.
Jens Reimann, Anna Maria Büchner, Sebastian Raab, Klaus Weidenhaupt, Matthias Jirousek, Marco Schwerdt
2023 J jnl
Highly Accurate Radar Cross-Section and Transfer Function Measurement of a Digital Calibration Transponder without Known Reference - Part II: Uncertainty Estimation and Validation.
Remote. Sens.
Jens Reimann, Anna Maria Büchner, Sebastian Raab, Klaus Weidenhaupt, Matthias Jirousek, Marco Schwerdt
2023 J jnl
Radiometric Re-Compensation of Sentinel-1 SAR Data Products for Artificial Biases due to Antenna Pattern Changes.
Remote. Sens.
Kersten Schmidt, Marco Schwerdt, Guillaume Hajduch, Pauline Vincent, Andrea Recchia, Muriel Pinheiro
2021 J jnl
Mitigation of Mutual Antenna Coupling Effects for Active Radar Targets in L-Band.
Remote. Sens.
Anna Maria Büchner, Klaus Weidenhaupt, Bernd Gabler, Markus Limbach, Marco Schwerdt
2021 J jnl
TanDEM-X Long-Term System Performance After 10 Years of Operation.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Allan Bojarski, Markus Bachmann, Johannes Böer, Thomas Kraus, Christopher Wecklich, Ulrich Steinbrecher, Nuria Tous-Ramon, Kersten Schmidt, Patrick Klenk, Christo Grigorov, Marco Schwerdt, Manfred Zink
2020 J jnl
Radiometric Comparison within the Sentinel-1 SAR Constellation over a Wide Backscatter Range.
Remote. Sens.
Kersten Schmidt, Marco Schwerdt, Nuno Miranda, Jens Reimann
2020 J jnl
Technique for Concurrent Internal Calibration during Data Acquisition for SAR Systems.
Remote. Sens.
Jens Reimann, Marco Schwerdt
2019 J jnl
Precise Antenna Pointing Determination in Elevation for Spaceborne SAR Systems Using Coherent Pattern Differences.
Remote. Sens.
Jens Reimann, Marco Schwerdt, Kersten Schmidt, Patrick T. P. Klenk, Ulrich Steinbrecher, Helko Breit
2018 J jnl
Geometric Accuracy of Sentinel-1A and 1B Derived from SAR Raw Data with GPS Surveyed Corner Reflector Positions.
Remote. Sens.
Kersten Schmidt, Jens Reimann, Nuria Tous-Ramon, Marco Schwerdt
2018 J jnl
Radiometric Performance of the TerraSAR-X Mission over More Than Ten Years of Operation.
Remote. Sens.
Marco Schwerdt, Kersten Schmidt, Patrick Klenk, Nuria Tous-Ramon, Daniel Rudolf, Sebastian Raab, Klaus Weidenhaupt, Jens Reimann, Manfred Zink
2017 J jnl
Independent System Calibration of Sentinel-1B.
Remote. Sens.
Marco Schwerdt, Kersten Schmidt, Nuria Tous-Ramon, Patrick Klenk, Nestor Yague-Martinez, Pau Prats-Iraola, Manfred Zink, Dirk Geudtner
2016 J jnl
Independent Verification of the Sentinel-1A System Calibration.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
Marco Schwerdt, Kersten Schmidt, Nuria Tous-Ramon, Gabriel Castellanos Alfonzo, Björn J. Döring, Manfred Zink, Pau Prats-Iraola
2016 J jnl
The SAR Passband Problem: Analytical Model and Possible Practical Solutions.
IEEE Trans. Geosci. Remote. Sens.
Björn J. Döring, Marco Schwerdt
2014 C conf
Independent verification of the Sentinel-1A system calibration.
IGARSS
Marco Schwerdt, Kersten Schmidt, Nuria Tous-Ramon, Gabriel Castellanos Alfonzo, Björn Döring, Manfred Zink, Pau Prats
2014 J jnl
On the Processing of Very High Resolution Spaceborne SAR Data.
IEEE Trans. Geosci. Remote. Sens.
Pau Prats-Iraola, Rolf Scheiber, Marc Rodriguez-Cassola, Josef Mittermayer, Steffen Wollstadt, Francesco De Zan, Benjamin Bräutigam, Marco Schwerdt, Andreas Reigber, Alberto Moreira
2013 J jnl
Hierarchical Bayesian Data Analysis in Radiometric SAR System Calibration: A Case Study on Transponder Calibration with RADARSAT-2 Data.
Remote. Sens.
Björn J. Döring, Kersten Schmidt, Matthias Jirousek, Daniel Rudolf, Jens Reimann, Sebastian Raab, John Mohan Walter Antony, Marco Schwerdt
2013 J jnl
Results of the TanDEM-X Baseline Calibration.
IEEE J. Sel. Top. Appl. Earth Obs. Remote. Sens.
John Mohan Walter Antony, Jaime Hueso Gonzalez, Marco Schwerdt, Markus Bachmann, Gerhard Krieger, Manfred Zink
2013 J jnl
The Radiometric Measurement Quantity for SAR Images.
IEEE Trans. Geosci. Remote. Sens.
Björn Döring, Marco Schwerdt
2012 C conf
Are pixel intensities proportional to radar cross section in sar images?
IGARSS
Björn Döring, Marco Schwerdt
2012 C conf
First measurement results of a new highly-accurate active SAR calibration target.
IGARSS
Matthias Jirousek, Björn Döring, Philipp R. Looser, Marco Schwerdt
2012 C conf
High precision SAR focusing of TerraSAR-X experimental staring spotlight data.
IGARSS
Pau Prats-Iraola, Rolf Scheiber, Marc Rodriguez-Cassola, Steffen Wollstadt, Josef Mittermayer, Benjamin Bräutigam, Marco Schwerdt, Andreas Reigber, Alberto Moreira
2012 J jnl
Reference Target Correction Based on Point-Target SAR Simulation.
IEEE Trans. Geosci. Remote. Sens.
Björn Döring, Philipp R. Looser, Matthias Jirousek, Marco Schwerdt
2012 C conf
TanDEM-X acquisition status and calibration of the interferometric system.
IGARSS
Markus Bachmann, Daniel Schulze, Carlos Ortega-Miguez, Donata Polimeni, Johannes Böer, Jaime Hueso Gonzalez, John Mohan Walter Antony, Gerhard Krieger, Benjamin Bräutigam, Marco Schwerdt, Manfred Zink
2012 C conf
Tests of the TanDEM-X DEM calibration performance.
IGARSS
Jaime Hueso Gonzalez, John Mohan Walter Antony, Markus Bachmann, Gerhard Krieger, Marco Schwerdt, Manfred Zink
2011 C conf
In-orbit calibration of the TanDEM-X system.
IGARSS
Marco Schwerdt, Jaime Hueso Gonzalez, Markus Bachmann, Dirk Schrank, Björn Döring, Nuria Tous-Ramon, John Mohan Walter Antony
2010 J jnl
Final TerraSAR-X Calibration Results Based on Novel Efficient Methods.
IEEE Trans. Geosci. Remote. Sens.
Marco Schwerdt, Benjamin Bräutigam, Markus Bachmann, Björn Döring, Dirk Schrank, Jaime Hueso Gonzalez
2010 C conf
Monostatic calibration of both TanDEM-X satellites.
IGARSS
Marco Schwerdt, Jaime Hueso Gonzalez, Markus Bachmann, Dirk Schrank, Clemens Schulz, Björn Döring
2010 C conf
SAR performance monitoring for TerraSAR-X mission.
IGARSS
Benjamin Bräutigam, Paola Rizzoli, Carolina González, Mathias Weigt, Dirk Schrank, Daniel Schulze, Marco Schwerdt
2010 J jnl
TerraSAR-X Antenna Calibration and Monitoring Based on a Precise Antenna Model.
IEEE Trans. Geosci. Remote. Sens.
Markus Bachmann, Marco Schwerdt, Benjamin Bräutigam
2010 J jnl
TerraSAR-X Instrument Calibration Results and Extension for TanDEM-X.
IEEE Trans. Geosci. Remote. Sens.
Benjamin Bräutigam, Jaime Hueso Gonzalez, Marco Schwerdt, Markus Bachmann
2009 J jnl
An Efficient Method for Performance Monitoring of Active Phased Array Antennas.
IEEE Trans. Geosci. Remote. Sens.
Benjamin Bräutigam, Marco Schwerdt, Markus Bachmann
2009 J jnl
Assessment of Atmospheric Propagation Effects in SAR Images.
IEEE Trans. Geosci. Remote. Sens.
Andreas Danklmayer, Björn Döring, Marco Schwerdt, Madhu Chandra
2009 — conf
Innovative and Efficient Strategy of Calibrating Sentinel-1.
IGARSS (1)
Marco Schwerdt, Benjamin Bräutigam, Björn Döring, Manfred Zink
2008 — conf
Analysis of Atmospheric Propagation Effects in TerraSAR-X Images.
IGARSS (2)
Andreas Danklmayer, Björn Döring, Marco Schwerdt, Madhukar Chandra
2008 — conf
Bistatic spaceborne-airborne experiment TerraSAR-X/F-SAR: data processing and results.
IGARSS (3)
Marc Rodriguez-Cassola, Stefan Valentin Baumgartner, Gerhard Krieger, Anton Nottensteiner, Ralf Horn, Ulrich Steinbrecher, Robert Metzig, Markus Limbach, Pau Prats, Jens Fischer, Marco Schwerdt, Alberto Moreira
2008 — conf
TerraSAR-X Calibration Results.
IGARSS (2)
Marco Schwerdt, Benjamin Bräutigam, Markus Bachmann, Björn Döring, Dirk Schrank, Jaime Hueso Gonzalez
2007 C conf
Individual T/R module characterisation of the TerraSAR-X active phased array antenna by calibration pulse sequences with orthogonal codes.
IGARSS
Benjamin Bräutigam, Marco Schwerdt, Markus Bachmann, Martin Stangl
2007 C conf
TerraSAR-X calibration - first results.
IGARSS
Marco Schwerdt, Benjamin Bräutigam, Markus Bachmann, Björn Döring
2003 C conf
Calibration concept for the TerraSAR-X instrument.
IGARSS
Marco Schwerdt, David Hounam, Martin Stangl