Publications of Gerhard Krieger

Articles in journal or book chapters

1. Marwan Younis, Felipe Queiroz de Almeida, Michelangelo Villano, Sigurd Huber, Gerhard Krieger, and Alberto Moreira. Digital Beamforming for Spaceborne Reflector-Based Synthetic Aperture Radar, Part 1: Basic imaging modes. IEEE Geoscience and Remote Sensing Magazine, 9(3):8-25, Sep. 2021. Keyword(s): SCORE, scan-on-receive, SweepSAR, Digital Beamforming, Beamforming, Wide-Swath, Synthetic aperture radar, Spaceborne SAR, Mission Concept, Antenna Concept, Imaging Concept, Antenna feeds, Transmission line measurements, Reflector antennas, Spaceborne radar, Radar imaging, Parabolic antennas, Tandem-L, Rose-L, NiSAR. [Abstract] [bibtex-entry]



2. J. Matar, M. Rodriguez-Cassola, G. Krieger, P. Lopez-Dekker, and A. Moreira. MEO SAR: System Concepts and Analysis. IEEE Transactions on Geoscience and Remote Sensing, 58(2):1313-1324, February 2020. Keyword(s): Orbits, Sensitivity, Synthetic aperture radar, Antennas, Spatial resolution, Low earth orbit satellites, Coverage, medium-Earth-orbit (MEO) synthetic aperture radar (SAR), orbits, SAR, space radiation, system performance.. [Abstract] [bibtex-entry]



3. Paco Lopez-Dekker, Marc Rodriguez-Cassola, Francesco De Zan, Gerhard Krieger, and Alberto Moreira. Correlating Synthetic Aperture Radar (CoSAR). IEEE Trans. Geosci. Remote Sens., 54(4):2268-2284, April 2016. Keyword(s): SAR Processing, geosynchronous SAR, geosynchronous orbit, Correlating SAR, CoSAR, Doppler effect, Doppler radar, Radar imaging, Sea surface, Surface topography, Synthetic aperture radar, Bistatic radar, ocean currents, sea level, sea surface, synthetic aperture radar, van Cittert-Zernike. [Abstract] [bibtex-entry]



4. M. Pinheiro, M. Rodriguez-Cassola, P. Prats-Iraola, A. Reigber, G. Krieger, and A. Moreira. Reconstruction of Coherent Pairs of Synthetic Aperture Radar Data Acquired in Interrupted Mode. IEEE Transactions on Geoscience and Remote Sensing, 53(4):1876-1893, April 2015. Keyword(s): calibration, image reconstruction, radar imaging, radar interferometry, synchronisation, synthetic aperture radar, coherent pairs, synthetic aperture radar, cooperative bistatic SAR systems, SAR imaging, multistatic systems, spectral estimation based interpolators, distributed scatterers, image reconstruction, TanDEM-X mission, Synthetic aperture radar, Image reconstruction, Interrupters, Azimuth, Synchronization, Apertures, Coherence, Bistatic synthetic aperture radar (SAR), cross-reconstruction, reconstruction of missing data, SAR, SAR interferometry, spectral estimators, Bistatic synthetic aperture radar (SAR), cross-reconstruction, reconstruction of missing data, SAR, SAR interferometry, spectral estimators. [Abstract] [bibtex-entry]



5. Francesco De Zan, Gerhard Krieger, and Paco López-Dekker. On Some Spectral Properties of TanDEM-X Interferograms Over Forested Areas. IEEE Geoscience and Remote Sensing Letters, 10(1):71-75, January 2013. Keyword(s): Analytical models, Coherence, Interferometry, Predictive models, Remote sensing, Synthetic aperture radar, Synthetic aperture radar (SAR) interferometry, Tandem-X. [Abstract] [bibtex-entry]



6. Alberto Moreira, Pau Prats-Iraola, Marwan Younis, Gerhard Krieger, Irena Hajnsek, and Konstantinos P. Papathanassiou. A tutorial on synthetic aperture radar. IEEE Geoscience and Remote Sensing Magazine, 1(1):6-43, March 2013. Keyword(s): SAR Processing, Tutorial, SAR Focusing, Azimuth Focusing, SAR Interferometry, SAR Polarimetry, polarimetric interferometry, PolInSAR, InSAR, SAR Tomography, geophysical techniques, radar interferometry, radar polarimetry, remote sensing by radar, synthetic aperture radar, Earth remote sensing, bistatic configurations, differential interferometry, digital beamforming, holographic tomography, multiple-input multiple-output, multistatic configurations, polarimetric SAR interferometry, polarimetry, synthetic aperture radar, Radar imaging, Remote sensing, Scattering, Spaceborne radar, Synthetic aperture radar, Tutorial, Teaching Material, Teaching. [Abstract] [bibtex-entry]



7. Federica Bordoni, Marwan Younis, and Gerhard Krieger. Ambiguity Suppression by Azimuth Phase Coding in Multichannel SAR Systems. IEEE Trans. Geosci. Remote Sens., 50(2):617-629, February 2012. Keyword(s): SAR Processing, APC technique, ambiguity suppression, azimuth phase coding, digital beamforming, flexible SAR systems, multichannel SAR systems, multiple transmit-receive channels, numerical analysis, reflector antenna, spaceborne SAR systems, spaceborne synthetic aperture radar systems, array signal processing, numerical analysis, phase coding, radar signal processing, remote sensing by radar, synthetic aperture radar. [Abstract] [bibtex-entry]



8. Jaime Hueso González, John Mohan Walter Antony, Markus Bachmann, Gerhard Krieger, Manfred Zink, Dirk Schrank, and Marco Schwerdt. Bistatic system and baseline calibration in TanDEM-X to ensure the global digital elevation model quality. ISPRS Journal of Photogrammetry and Remote Sensing, 73(0):3-11, 2012. Keyword(s): SAR Processing, Accuracy, Calibration, Interferometry, SAR Interferometry, InSAR, DInSAR, TerraSAR-X, Spaceborne SAR, X-band. [Abstract] [bibtex-entry]



9. Michele Martone, Benjamin Bräutigam, Paola Rizzoli, Carolina Gonzalez, Markus Bachmann, and Gerhard Krieger. Coherence evaluation of TanDEM-X interferometric data. ISPRS Journal of Photogrammetry and Remote Sensing, 73(0):21 - 29, 2012. Keyword(s): SAR Processing, Interferometry, SAR Interferometry, InSAR, Synthetic Aperture Radar (SAR), Bistatic SAR, Coherence, Digital elevation model, DEM, TanDEM-X, Spaceborne SAR, X-band. [Abstract] [bibtex-entry]



10. Paola Rizzoli, Benjamin Bräutigam, Thomas Kraus, Michele Martone, and Gerhard Krieger. Relative height error analysis of TanDEM-X elevation data. ISPRS Journal of Photogrammetry and Remote Sensing, 73(0):30-38, 2012. Keyword(s): SAR Processing, Interferometry, SAR Interferometry, Digital elevation model, Relative height error, TanDEM-X, Spaceborne SAR, X-band. [Abstract] [bibtex-entry]



11. Marc Rodriguez-Cassola, Pau Prats, D. Schulze, N. Tous-Ramon, U. Steinbrecher, L. Marotti, M. Nannini, M. Younis, P. Lopez-Dekker, M. Zink, A. Reigber, G. Krieger, and A. Moreira. First Bistatic Spaceborne SAR Experiments With TanDEM-X. IEEE Geoscience and Remote Sensing Letters, 9(1):33-37, January 2012. Keyword(s): SAR Processing, Bistatic SAR, calibration, digital elevation models, geophysical equipment, remote sensing by radar, synthetic aperture radar, bistatic spaceborne SAR experiments, TerraSAR-X Add-on for Digital Elevation Measurements, high-resolution interferometric mission, TanDEM-X mission, digital elevation model, Earth surface, SAR interferometry, X-band synthetic aperture radar, quasimonostatic configuration, bistatic SAR system, monostatic commissioning phase, monostatic mode, synchronization information, calibration information, bistatic images, Satellites, Synchronization, Spaceborne radar, Azimuth, Radar imaging, Coherence, Bistatic radar, bistatic SAR processing, spaceborne SAR missions, synthetic aperture radar (SAR), time and phase synchronization. [Abstract] [bibtex-entry]



12. Paco López-Dekker, Pau Prats, F. De Zan, D. Schulze, G. Krieger, and Alberto Moreira. TanDEM-X First DEM Acquisition: A Crossing Orbit Experiment. IEEE Geoscience and Remote Sensing Letters, PP(99):1-943, 2011. Keyword(s): SAR Processing, InSAR, Interferometry, SAR Interferometry, TerrSAR-X, TanDEM-X, Spaceborne SAR, Single-Pass. [Abstract] [bibtex-entry]



13. Marc Rodriguez-Cassola, Pau Prats, Gerhard Krieger, and Alberto Moreira. Efficient Time-Domain Image Formation with Precise Topography Accommodation for General Bistatic SAR Configurations. IEEE Transactions on Aerospace and Electronic Systems, 47(4):2949-2966, October 2011. Keyword(s): SAR Processing, Bistatic SAR, Time-Domain Back-Projection, TDBP, Fast-Factorized Back-Projection, FFBP, Fast Back-Projection, Back-Projection, Doppler information, German Aerospace Center, TerraSAR-X/F-SAR bistatic data, TerraSAR-X, F-SAR, nonstationary bistatic acquisitions, phase-preserving bistatic focusing, synchronization algorithm, airborne radar, backscatter, calibration, data acquisition, geophysical signal processing, radar signal processing, remote sensing by radar, spaceborne radar, synchronisation, synthetic aperture radar. [Abstract] [bibtex-entry]



14. Nicolas Gebert, Gerhard Krieger, and Alberto Moreira. Multichannel Azimuth Processing in ScanSAR and TOPS Mode Operation. IEEE Trans. Geosci. Remote Sens., 48(7):2994-3008, July 2010. Keyword(s): SAR Processing, TOPS, Terrain Observation by Progressive Scans, geophysical signal processing, geophysical techniques, synthetic aperture radar, SAR missions, SAR signal processing, TOPS mode operation, Terrain Observation by Progressive Scans system, azimuth antenna length, conventional synthetic aperture radar, digital beamforming algorithms, digital signal processing network, geometric resolution, high-resolution wide-swath SAR imaging, multichannel ScanSAR systems, multichannel azimuth processing, multichannel burst-mode operation, multichannel stripmap mode, multiple azimuth channels, multiple receive channels, staircase multichannel processing, stripmap operation, ultrawide-swath imaging, ultrawide-swath synthetic aperture radar imaging, High-resolution ultrawide-swath synthetic aperture radar (SAR) imaging, ScanSAR, TOPS, multichannel azimuth processing, multichannel burst-mode operation. [Abstract] [bibtex-entry]



15. J.H. Gonzalez, M. Bachmann, G. Krieger, and H. Fiedler. Development of the TanDEM-X Calibration Concept: Analysis of Systematic Errors. IEEE Transactions on Geoscience and Remote Sensing, 48(2):716-726, February 2010. Keyword(s): TerraSAR-X, TanDEM-X, Astrium GmbH, DEM calibration, DEM height error, DLR, German Aerospace Center, HRTI level 3 accuracy, High-Resolution Terrain Information, TanDEM-X calibration concept, TerraSAR-X, bistatic satellite synthetic aperture radar mission, height accuracy requirements, helix formation, high-precision global digital elevation model, residual-error sources, spaceborne radar remote sensing, systematic error analysis, calibration, digital elevation models, measurement errors, radar altimetry, remote sensing by radar, spaceborne radar, synthetic aperture radar. [Abstract] [bibtex-entry]



16. G. Krieger, Irena Hajnsek, Konstantinos P. Papathanassiou, M. Younis, and A. Moreira. Interferometric Synthetic Aperture Radar (SAR) Missions Employing Formation Flying. Proceedings of the IEEE, 98(5):816-843, May 2010. Keyword(s): SAR Processing, Tandem-L, Tandem-X, Formation Flying, Spaceborne SAR, SAR Tomography, Tomography. [Abstract] [bibtex-entry]



17. M. Rodriguez-Cassola, S.V. Baumgartner, G. Krieger, and A. Moreira. Bistatic TerraSAR-X/F-SAR Spaceborne-Airborne SAR Experiment: Description, Data Processing, and Results. IEEE Trans. Geosci. Remote Sens., 48(2):781-794, February 2010. Keyword(s): SAR Processing, Bistatic SAR, Time-Domain Back-Projection, TDBP, Doppler information, German Aerospace Center, TerraSAR-X/F-SAR bistatic data, backscatter, bistatic back-projection algorithm, bistatic synthetic aperture radar, calibration, data processing, first X-band spaceborne-airborne SAR, nonstationary bistatic acquisitions, phase-preserving bistatic focusing, synchronization algorithm, airborne radar, backscatter, calibration, data acquisition, geophysical signal processing, radar signal processing, remote sensing by radar, spaceborne radar, synchronisation, synthetic aperture radar. [Abstract] [bibtex-entry]



18. G. Krieger, A. Moreira, H. Fiedler, I. Hajnsek, M. Werner, M. Younis, and M. Zink. TanDEM-X: A Satellite Formation for High-Resolution SAR Interferometry. IEEE Trans. Geosci. Remote Sens., 45(11):3317-3341, November 2007. Keyword(s): HRTI-3 specification, TanDEM-X mission concept, TerraSAR-X add-on for Digital Elevation Measurement, TerraSAR-X radar satellites, bistatic data acquisition, global digital elevation model, high-resolution SAR interferometry, radar applications, radar imaging techniques, remote sensing applications, satellite formation flying concept, spaceborne radar interferometer, synchonization, synthetic aperture radar, data acquisition, digital elevation models, geophysical techniques, radar imaging, radar interferometry, remote sensing by radar, spaceborne radar, synthetic aperture radar. [Abstract] [bibtex-entry]



19. Karl-Heinz Bethke, S. Baumgartner, M. Gabele, D. Hounam, E. Kemptner, D. Klement, G. Krieger, and R. Erxleben. Air- and spaceborne monitoring of road traffic using SAR moving target indication--Project TRAMRAD. ISPRS Journal of Photogrammetry and Remote Sensing, Theme Issue: Airborne and Spaceborne Traffic Monitoring, 61(3-4):243-259, December 2006. Keyword(s): SAR Processing, TRAMRAD, Traffic Monitoring, TerraSAR-X, STAP, Space-Time Adaptive Processing, MTI, Moving Target Indication, SAR Interferometry, Interferometry, ATI, Along-Track SAR Interferometry. [Abstract] [bibtex-entry]

Conference articles

1. J. Mittermayer, G. Krieger, and A. Moreira. Concepts and Applications of Multi-static MirrorSAR Systems. In 2020 IEEE Radar Conference (RadarConf20), pages 1-6, Sep. 2020. Keyword(s): data acquisition, radar imaging, radar interferometry, remote sensing by radar, synthetic aperture radar, transponders, MirrorLink, radar signal, space transponder manner, transmit satellite, system complexity, data acquisition, SAR product quality, interferometric SAR application example, multistatic MirrorSAR systems, multistatic SAR acquisitions, minimal functionality, receive satellites, Spaceborne radar, Radar, Satellites, Satellite broadcasting, Synthetic aperture radar, Radar antennas, Synchronization, Synthetic Aperture Radar (SAR), MirrorSAR, Multiple Baselines, Synchronization, MirrorLink. [Abstract] [bibtex-entry]



2. G. Krieger, T. Rommel, and A. Moreira. MIMO-SAR Tomography. In Proceedings of EUSAR 2016: 11th European Conference on Synthetic Aperture Radar, pages 1-6, June 2016. [Abstract] [bibtex-entry]



3. A. Moreira, O. Ponce, M. Nannini, M. Pardini, P. Prats, A. Reigber, K. Papathanassiou, and G. Krieger. Multi-baseline spaceborne SAR imaging. In Proc. IEEE Int. Geoscience and Remote Sensing Symp. (IGARSS), pages 1420-1423, July 2016. Keyword(s): geophysical image processing, holography, radar imaging, radar interferometry, radar polarimetry, remote sensing by radar, spaceborne radar, synthetic aperture radar, HoloSAR, PolInSAR, TomoSAR, across-track interferometry, along- track interferometry, glacier movement, ground deformation, holography SAR, multi-baseline imaging capability, multi-dimensional data space, multibaseline spaceborne SAR imaging, multistatic SAR configuration, ocean current, polarimetric SAR interferometry, spaceborne SAR development, spaceborne SAR image product, sparse array, surface topography measurement, tomography SAR, Interferometry, Radar imaging, Radar polarimetry, Spaceborne radar, Synthetic aperture radar, Tomography, Multi-Baseline Imaging, Polarimetric SAR Interferometry, Polarimetry, SAR Holography, SAR Tomography, Synthetic Aperture Radar (SAR). [bibtex-entry]



4. W. M. Boerner, G. Krieger, A. Reigber, I. Hajnsek, C. C. Schmullius, A. Moreira, M. Eineder, R. Bamler, F. J. Meyer, S. Hensley, J. J. van Zyl, M. Neumann, M. Shimada, M. Ohki, J. T. S. Sumantyo, K. Hattori, F. J. Ocampo-Torres, O. Ponce, J. Moreira, J. Campos, L. Yi-Long, P. Dubois-Fernandez, E. Pottier, T. LeToan, C. Surussavadee, V. C. Koo, T. S. Lim, R. H. Triharjanto, W. Hasbi, S. Mohan, and G. Singh. Development of new multi-band equatorially orbiting POLinSAR satellite sensors system configurations for varying latitudinal coverage within total tropical belt: Invited group presentation for establishing an associated Consortium. In Proc. IEEE 5th Asia-Pacific Conf. Synthetic Aperture Radar (APSAR), pages 342-345, September 2015. Keyword(s): meteorological radar, radar interferometry, radar polarimetry, remote sensing by radar, energy resources, global weather phenomena, latitudinal coverage, local environmental deterioration, mineral extraction, multiband equatorially orbiting POLINSAR satellite sensors, polarimetric POLINSAR satellite, stable food base, total tropical belt, Belts, Hazards, Orbits, Remote sensing, Satellites, Sensors, Synthetic aperture radar, Disaster assessment and reduction, Environmental remote sensing, Equatorial orbiting satellite sensors, Geophysical monitoring, Natural and manmade hazard detection, Polarimetric Synthetic Aperture Radar (SAR), Polarization radar, Surveillance, Tropical Equatorial Belt (TEB). [bibtex-entry]



5. Marc Rodriguez-Cassola, Pau Prats-Iraola, Paco López-Dekker, Andreas Reigber, Gerhard Krieger, and Alberto Moreira. Autonomous time and phase calibration of spaceborne bistatic SAR systems. In EUSAR 2014; 10th European Conference on Synthetic Aperture Radar; Proceedings of, pages 1-4, June 2014. [Abstract] [bibtex-entry]



6. Federica Bordoni, Marwan Younis, and Gerhard Krieger. Calibration Issue in SMART Synthetic Aperture Radar Based on Scan-On-Receive. In Advanced RF Sensors for Earth Observation (ARSI), Noordwijk, The Netherlands, 2009. ESA ESTEC. Keyword(s): SAR Processing, Scan-on-Receive, SCORE, Synthetic Aperture Radar, Digital Beam-Forming, DBF, Multichannel Receiver. [Abstract] [bibtex-entry]



7. Federica Bordoni, Marwan Younis, E.M. Varona, and Gerhard Krieger. Adaptive scan-on-receive based on spatial spectral estimation for high-resolution, wide-swath Synthetic Aperture Radar. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 1, pages 64-67, July 2009. Keyword(s): SAR Processing, Cramer Rao Lower Bound, Monte Carlo simulations, SCORE, scan-on-receive, Smart Multi-Aperture Radar Techniques, adaptive scan-on-receive, beam steering, high-resolution wide-swath synthetic aperture radar, signal power, spaceborne SMART SAR systems, spatial spectral estimation, beam steering, geophysical techniques, synthetic aperture radar. [Abstract] [bibtex-entry]



8. G. Krieger, I. Hajnsek, Konstantinos P. Papathanassiou, M. Eineder, M. Younis, F. De Zan, P. Prats, S. Huber, M. Werner, H. Fiedler, A. Freeman, P. Rosen, S. Hensley, W. Johnson, L. Veilleux, B. Grafmueller, R. Werninghaus, R. Bamler, and A. Moreira. The Tandem-L mission proposal: Monitoring Earth's dynamics with high resolution SAR interferometry. In Proc. IEEE Radar Conf., pages 1-6, May 2009. Keyword(s): Earth's Dynamics Monitoring, Tandem-L mission, advanced digital beamforming techniques, biomass inventories, glacier movement observations, global forest height, high data acquisition, high resolution SAR interferometry, innovative interferometric radar mission, millimetric displacements measurements, polarimetric radar mission, synthetic aperture radar, tectonic shifts, data acquisition, glaciology, radar interferometry, radar polarimetry, remote sensing by radar, synthetic aperture radar, tectonics, vegetation. [Abstract] [bibtex-entry]



9. Alberto Moreira, Gerhard Krieger, Irena Hajnsek, Kostas Papathanassiou, Michael Eineder, Francesco De Zan, Marwan Younis, and Marian Werner. Tandem-L: Monitoring the Earth's Dynamics with InSAR and Pol-InSAR. In Proc. PolInSAR, Frascati, Italy (ESA SP-668), January 2009. Keyword(s): Earth's Dynamics Monitoring, Tandem-L mission, advanced digital beamforming techniques, biomass inventories, glacier movement observations, global forest height, high data acquisition, high resolution SAR interferometry, innovative interferometric radar mission, millimetric displacements measurements, polarimetric radar mission, synthetic aperture radar, tectonic shifts, data acquisition, glaciology, radar interferometry, radar polarimetry, remote sensing by radar, synthetic aperture radar, tectonics, vegetation. [Abstract] [bibtex-entry]



10. Elke Boerner, Hauke Fiedler, Gerhard Krieger, and Josef Mittermayer. A new Method for Total Zero Doppler Steering. In IGARSS '04, International Geoscience and Remote Sensing Symposium, September 2004. Keyword(s): SAR Processing, Steering, Yaw Steering, Attitude Steering, Doppler Centroid, Zero Doppler Steering, Total Zero Doppler Steering. [Abstract] [bibtex-entry]



11. Gerhard Krieger, Nicolas Gebert, and Alberto Moreira. SAR Signal Reconstruction from Non-Uniform Displaced Phase Centre Sampling. In IGARSS '04, International Geoscience and Remote Sensing Symposium, September 2004. Keyword(s): SAR Processing, Bistatic SAR, Bistatic Processing, Dual Receive Antenna. [Abstract] [bibtex-entry]

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This collection of SAR literature is far from being complete.
It is rather a collection of papers which I store in my literature data base. Hence, the list of publications under PUBLICATIONS OF AUTHOR'S NAME should NOT be mistaken for a complete bibliography of that author.

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