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Publications about 'phase errors'

Books and proceedings

  1. Annelie Wyholt. SAR Image Focus Errors due to Incorrect Geometrical Positioning in Fast Factorized Back-Projection. Licentiatavhandling, Chalmers University of Technology, 2008. Keyword(s): SAR Processing, Autofocus, Time-Domain Back-Projection, TDBP, FFBP, SAR image processing, antenna path parameters, autofocus, fast factorized back-projection, radar imaging, synthetic aperture radar. [Abstract] [bibtex-entry]


  2. Walter G. Carrara, Ron S. Goodman, and Ronald M. Majewski. Spotlight Synthetic Aperture Radar: Signal Processing Algorithms. Artech House Inc., 1995. Keyword(s): SAR Processing, Spotlight SAR, Range Migration Algorithm, omega-k, Wavenumber Domain Algorithm, Chirp Scaling Algorithm, Polar Format Algorithm, Autofocus Techniques, Demodulation, Quadrature Demodulation, Hilbert Transform. [Abstract] [bibtex-entry]


Thesis

  1. Albert Monteith. Temporal Characteristics of Boreal Forest Radar Measurements. PhD thesis, Chalmers University of Technology, 2020. Keyword(s): SAR Tomography, BorealScat. [Abstract] [bibtex-entry]


  2. Craig L. Stringham. Developments in LFM-CW SAR for UAV Operation. PhD thesis, 2014. Keyword(s): SAR Proceessing, radar, SAR, UAV, GPU, Autofocus, SAR Autofocus, Backprojection, Time-Domain Back-Projection, Back-Projection, TDBP, fast-factorized back-projection, FFBP, LFM-CW, FMCW, MoComp, Motion Compensation, CSA, ECS, Chirp Scaling, Extended Chirp Scaling, FSA, Frequency Scaling Algorithm, Range-Doppler Algorithm, RDA, synthetic aperture radar, Brigham Young University, muSAR system, LFM-CW signal model, SAR image quality, aircraft, atmospheric turbulence, high-resolution synthetic aperture radar systems, linear frequency-modulated continuous-wave signal, motion compensation, motion correction algorithms, unmanned aerial vehicle, Airborne SAR, geophysical techniques. [Abstract] [bibtex-entry]


Articles in journal or book chapters

  1. Roberto Coscione, Irena Hajnsek, Charles Werner, and Othmar Frey. Assessing the impact of positioning errors in car-borne repeat-pass SAR interferometry with a controlled rail-based experiment. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 15:8402-8415, 2022. Keyword(s): SAR Processing, SAR Interferometry, Car-borne SAR, positioning errors, rail-based SAR, experiment, terrestrial radar interferometry, TRI, Gamma L-band SAR, ground-based SAR, GB-SAR. [Abstract] [bibtex-entry]


  2. Claudio De Luca, Francesco Casu, Michele Manunta, Giovanni Onorato, and Riccardo Lanari. Comments on ``Study of Systematic Bias in Measuring Surface Deformation With SAR Interferometry''. IEEE Transactions on Geoscience and Remote Sensing, 60:1-5, 2022. [Abstract] [bibtex-entry]


  3. Haoyu Lin, Yunkai Deng, Heng Zhang, Jili Wang, Da Liang, Tingzhu Fang, and Robert Wang. Estimating and Removing Ionospheric Effects for L-Band Spaceborne Bistatic SAR. IEEE Transactions on Geoscience and Remote Sensing, 60:1-16, 2022. Keyword(s): Ionosphere, Synthetic aperture radar, Imaging, Spaceborne radar, L-band, Focusing, Dispersion, Bistatic synthetic aperture radar (BiSAR), ionospheric effects correction, L-band, LuTan-1 (LT-1). [Abstract] [bibtex-entry]


  4. Yujie Zheng, Heresh Fattahi, Piyush Agram, Mark Simons, and Paul Rosen. On Closure Phase and Systematic Bias in Multilooked SAR Interferometry. IEEE Transactions on Geoscience and Remote Sensing, 60:1-11, 2022. Keyword(s): SAR Processing, SAR Interferometry, Interferometry, InSAR, time-series analysis, closure phase, non-zero closure phase, phase consistency, systematic bias, deformation, displacement, multilooking, SBAS, PSI, persistent scatterer intereferometry, SqueeSAR. [Abstract] [bibtex-entry]


  5. D. Feng, D. An, X. Huang, and Y. Li. A Phase Calibration Method Based on Phase Gradient Autofocus for Airborne Holographic SAR Imaging. IEEE Geoscience and Remote Sensing Letters, pp 1-5, 2019. Keyword(s): Calibration, Imaging, Synthetic aperture radar, Electronics packaging, Image reconstruction, Radar polarimetry, Azimuth, Holographic synthetic aperture radar (HoloSAR) tomography, phase calibration, phase gradient autofocus (PGA), three-dimensional (3-D) imaging.. [Abstract] [bibtex-entry]


  6. Albert R. Monteith, Lars M. H. Ulander, and Stefano Tebaldini. Calibration of a Ground-Based Array Radar for Tomographic Imaging of Natural Media. Remote Sensing, 11(24), 2019. Keyword(s): SAR Tomography, BorealScat. [Abstract] [bibtex-entry]


  7. S. Zhou, L. Yang, L. Zhao, and G. Bi. Quasi-Polar-Based FFBP Algorithm for Miniature UAV SAR Imaging Without Navigational Data. IEEE Transactions on Geoscience and Remote Sensing, 55(12):7053-7065, December 2017. Keyword(s): autonomous aerial vehicles, image resolution, radar imaging, radar resolution, synthetic aperture radar, polar coordinate system, phase autofocusing, trajectory deviations, quasipolar grid image, data-driven motion compensation, back-projection algorithm, unmanned aerial vehicle synthetic aperture radar applications, time-domain algorithms, trajectory designation, flexible geometric configuration, navigational data, miniature UAV SAR imaging, FFBP algorithm, miniature UAV-SAR test bed, raw data experiments, high-resolution SAR applications, image focusing quality, analytical image spectrum, phase errors, quasipolar coordinate system, Synthetic aperture radar, Trajectory, Unmanned aerial vehicles, Signal processing algorithms, Algorithm design and analysis, Fast factorized back-projection (FFBP), motion compensation (MOCO), quasi-polar coordinate system, synthetic aperture radar (SAR), unmanned aerial vehicle (UAV). [Abstract] [bibtex-entry]


  8. Christophe Magnard, Max Frioud, David Small, Thorsten Brehm, and Erich Meier. Analysis of a Maximum Likelihood Phase Estimation Method for Airborne Multibaseline SAR Interferometry. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 9(3):1072-1085, March 2016. Keyword(s): SAR Processing, SAR Interferometry, InSAR, Multibaseline Interferometry, Ka-band, Airborne SAR, Single-pass Multibaseline Interferometry, airborne radar, image texture, maximum likelihood estimation, millimetre wave radar, motion compensation, phase estimation, radar imaging, radar interferometry, synthetic aperture radar, C2F algorithm, ML method, airborne multibaseline SAR interferometry, calibration steps, coarse-to-fine algorithm, cross-track multibaseline synthetic aperture radar interferometric data, experimental Ka-band multibaseline system, homogeneous texture, imperfect motion compensation, maximum likelihood phase estimation method, noise level, Antenna measurements, Antennas, Calibration, Maximum likelihood estimation, Motion compensation, Phase estimation, Synthetic aperture radar, Interferometry, Ka-band, maximum likelihood (ML), millimeter wave radar, millimeterwave experimental multifrequency polarimetric high-resolution interferometric system (MEMPHIS), multibaseline, phase unwrapping, synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  9. Michael I. Duersch and David G. Long. Backprojection SAR interferometry. International Journal of Remote Sensing, 36(4):979-999, 2015. Keyword(s): SAR Processing, FMCW, Time-Domain Back-Projection, TDBP, LFMCW, Azimuth Focusing, Motion Compensation, Interferometry, SAR Interferometry, Airborne SAR. [Abstract] [bibtex-entry]


  10. Alexander G. Fore, Bruce D. Chapman, Brian P. Hawkins, Scott Hensley, Cathleen E. Jones, Thierry R. Michel, and Ronald J. Muellerschoen. UAVSAR Polarimetric Calibration. IEEE Trans. Geosci. Remote Sens., 53(6):3481-3491, June 2015. Keyword(s): SAR Processing, UAVSAR, Airborne SAR, Polarimetry, Polarimetric Calibration, calibration, radar polarimetry, remote sensing by radar, synthetic aperture radar, UAVSAR polarimetric calibration, UAVSAR radar performance, airborne repeat-track SAR data, interferometric measurements, quadpolarization mode, radiometric calibration, reconfigurable polarimetric L-band SAR, residual RMS errors, root-mean-square, stable crosstalk estimates, uninhabited aerial vehicle synthetic aperture radar, Azimuth, Calibration, Crosstalk, Image resolution, Radiometry, Synthetic aperture radar, Airborne radar, polarimetric SAR, radar cross-sections, radar imaging, radar measurements, radar polarimetry, radar remote sensing, synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  11. Christophe Magnard, Max Frioud, David Small, Torsten Brehm, Helmut Essen, and Erich Meier. Processing of MEMPHIS Ka-Band Multibaseline Interferometric SAR Data: From Raw Data to Digital Surface Models. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 7(7):2927-2941, July 2014. Keyword(s): SAR Processing, SAR Interferometry, InSAR, Multibaseline Interferometry, Ka-band, Airborne SAR, Single-pass Multibaseline Interferometry, Focusing, Azimuth Focusing, Motion Compensation, data acquisition, geophysical image processing, image reconstruction, image resolution, millimetre wave radar, radar imaging, radar interferometry, radar polarimetry, radar resolution, synthetic aperture radar, DSM, MEMPHIS Ka-band multibaseline interferometric SAR data processing, SAR image resolution, azimuth focusing, cross-track multibaseline interferometric data acquisition, digital surface model, extended omega-K algorithm, interferogram generation, millimeter-wave synthetic aperture radar system, multibaseline antenna setup, observed depression angle-dependent interferometric phase error, phase unwrapping, phase-to-height conversion, reference ALS model, stepped-frequency SAR data reconstruction, Accuracy, Antennas, Azimuth, Chirp, Focusing, Motion compensation, Synthetic aperture radar, Digital surface model (DSM), Ka-band, MEMPHIS, interferometry, millimeter wave radar, multibaseline, stepped-frequency, synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  12. Pau Prats-Iraola, Marc Rodriguez-Cassola, Francseco De Zan, Pau Lopez-Dekker, Rolf Scheiber, and Andreas Reigber. Efficient Evaluation of Fourier-Based SAR Focusing Kernels. IEEE Geoscience and Remote Sensing Letters, 11(9):1489-1493, Sep. 2014. Keyword(s): airborne radar, image resolution, image sensors, numerical analysis, optical focusing, optical transfer function, radar imaging, spaceborne radar, synthetic aperture radar, transient response, geometry, transfer function, airborne SAR sensor, spaceborne SAR sensor, IRF, 2D point target spectrum simulation, numerical analysis, bistatic SAR image resolution, spaceborne SAR image resolution, compact analytic expression, hyperbolic range history, residual phase error, focused impulse response function, SAR image formation, synthetic aperture radar image formation, Fourier-based SAR focusing kernel, Kernel, Synthetic aperture radar, Focusing, Azimuth, Transfer functions, Geometry, Spaceborne radar, SAR processing, SAR simulation, SAR spectrum, spotlight SAR, synthetic aperture radar (SAR), SAR processing, SAR simulation, SAR spectrum, spotlight SAR, synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  13. M. \cCetin, I. Stojanovic, N.O. Önhon, K.R. Varshney, S. Samadi, W.C. Karl, and A.S. Willsky. Sparsity-Driven Synthetic Aperture Radar Imaging: Reconstruction, autofocusing, moving targets, and compressed sensing. IEEE Signal Processing Magazine, 31(4):27-40, July 2014. Keyword(s): SAR Processing, Autofocus, compressed sensing, image representation, radar imaging, synthetic aperture radar, SAR image formation, SAR sensing mission design, anisotropy characterization, compressed sensing-based analysis, joint autofocusing, joint imaging, phase errors, sparsity-based methods, sparsity-driven synthetic aperture radar imaging, synthesis-based sparse signal representation formulations, wide-angle SAR imaging, Image reconstruction, Imaging, Radar imaging, Radar polarimetry, Scattering, Synthetic aperture radar. [Abstract] [bibtex-entry]


  14. Viet Thuy Vu, Thomas K. Sjogren, and Pettersson. Phase Error Calculation for Fast Time-Domain Bistatic SAR Algorithms. IEEE Trans. Aerosp. Electron. Syst., 49(1):631-639, January 2013. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, TDBP, SAR image processing, Fast Factorized Back-Projection, FFBP, Bistatic SAR, Phase Error, Bistatic Fast Factorized Back-Projection, Motion Compensation, MoComp, Airborne SAR radar imaging, synthetic aperture radar, BiFFBP, SAR image quality, bistatic fast factorized backprojection, monostatic SAR, phase error calculation, synthetic aperture radar, time domain bistatic SAR, Apertures, Radar tracking, Receivers, Synthetic aperture radar, Target tracking, Transmitters CARABAS, LORA. [Abstract] [bibtex-entry]


  15. Yake Li, Chang Liu, Yanfei Wang, and Qi Wang. A Robust Motion Error Estimation Method Based on Raw Data. IEEE Trans. Geosci. Remote Sens., 50(7):2780-2790, 2012. Keyword(s): SAR Processing, Autofocus, SAR Autofocus, MoComp, Motion Compensation, curve fitting, geophysical image processing, least squares approximations, motion compensation, radar imaging, remote sensing by radar, synthetic aperture radar, RCMC, aircraft reference track deviations, curve fitting, double phase gradient estimation, filtering method, high order motion errors, high precision navigation system, high resolution airborne SAR systems, high resolution imagery, image processing, image quality, large swath mode, light aircraft SAR platform, motion compensation, motion error estimation method, range cell migration correction, range dependent phase errors, range resolution improvement, raw data, synthetic aperture radar, weighted total least square method, Aircraft, Azimuth, Electronics packaging, Error analysis, Estimation, Robustness, Trajectory, Autofocus, motion error estimation, phase gradient filtering, synthetic aperture radar (SAR), weighted total least square (WTLS) method. [Abstract] [bibtex-entry]


  16. L. Zhang, Z. Qiao, M. Xing, L. Yang, and Z. Bao. A Robust Motion Compensation Approach for UAV SAR Imagery. IEEE Trans. Geosci. Remote Sens., 50(8):3202-3218, August 2012. Keyword(s): autonomous aerial vehicles, geophysical image processing, geophysical techniques, maximum likelihood estimation, motion compensation, remote sensing by radar, synthetic aperture radar, robust motion compensation approach, UAV SAR imagery, unmanned aerial vehicle, synthetic aperture radar, remote sensing application, atmospheric turbulence, range invariant motion error, weighted phase gradient autofocus, nonsystematic range cell migration function, range dependent phase error, maximum likelihood WPGA algorithm, subaperture phase error, inertial navigation system, Electronics packaging, Estimation, Trajectory, Robustness, Navigation, Thyristors, Geometry, Local maximum-likelihood (LML), motion compensation (MOCO), phase gradient autofocus (PGA), synthetic aperture radar (SAR), unmanned aerial vehicle (UAV), weighted phase gradient autofocus (WPGA). [Abstract] [bibtex-entry]


  17. S. Perna, C. Wimmer, J. Moreira, and G. Fornaro. X-Band Airborne Differential Interferometry: Results of the OrbiSAR Campaign Over the Perugia Area. IEEE Trans. Geosci. Remote Sens., 46(2):489-503, February 2008. Keyword(s): SAR Processing, BFNT, Backward-Forward to the Nominale Track, Airborne SAR, D-InSAR, differential SAR interferometry, Interferometry, OrbiSAR, X-Band, Motion Compensation, Residual Motion Errors, Autofocus, airborne radar, motion compensation, radar imaging, synthetic aperture radar airborne SAR images, digital elevation model inaccuracies, motion compensation errors, phase errors. [Abstract] [bibtex-entry]


  18. Karlus A. Câmara de Macedo and Rolf Scheiber. Precise topography- and aperture-dependent motion compensation for airborne SAR. IEEE Geosci. Remote Sens. Lett., 2(2):172-176, 2005. Keyword(s): SAR Processing, PTA-MoComp, Postprocessing, Motion Compensation, Topography-Based Motion Compensation, Chirp Scaling Algorithm, Extended Chirp Scaling Algorithm, fast Fourier transform-based postprocessing methodology, FFT, D-InSAR, German Aerospace Center, DLR, airborne repeat-pass interferometry, differential interferometry, geometric fidelity, motion errors, phase accuracy, residual phase errors, topographic heights, Topography, DEM, Terrain, wide beamwidth, Airborne SAR, ESAR, P-Band, Interferometry. [Abstract] [bibtex-entry]


  19. Gianfranco Fornaro, Giorgio Franceschetti, and Stefano Perna. Motion compensation errors: effects on the accuracy of airborne SAR images. IEEE Transactions on Aerospace and Electronic Systems, 41(4):1338-1352, October 2005. Keyword(s): SAR Processing, Motion Compensation, Residual Motion Errors, Autofocus, Airborne SAR, airborne radar, interferometry, motion compensation, radar imaging, synthetic aperture radar airborne SAR images, digital elevation model inaccuracies, motion compensation errors, phase errors, positioning measurement instrument, repeat pass airborne interferometry, residual uncompensated motion errors, synthetic aperture radar. [Abstract] [bibtex-entry]


  20. J. R. Fienup and J. J. Miller. Aberration correction by maximizing generalized sharpness metrics. J. Opt. Soc. Am. A, 20(4):609-620, April 2003. Keyword(s): SAR Processing, Autofocus, Active or adaptive optics, Image reconstruction techniques, Image reconstruction-restoration, Phase retrieval, Image quality assessment, Phased-array imaging systems, Synthetic aperture radar, Aberration correction, Adaptive optics, Discrete Fourier transforms, Fast Fourier transforms, Image quality, Synthetic aperture radar. [Abstract] [bibtex-entry]


  21. Pau Prats and Jordi J. Mallorqui. Estimation of azimuth phase undulations with multisquint processing in airborne interferometric SAR images. IEEE Trans. Geosci. Remote Sens., 41(6):1530-1533, 2003. Keyword(s): SAR Processing, Squinted SAR, airborne radar, radar imaging, synthetic aperture radar, ESAR, DLR experimental airborne SAR, Germany, Oberpfaffenhofen test site, azimuth phase undulations, calibration, image pairs, interferometric airborne synthetic aperture radar systems, multisquint processing, phase error correction, phase error detection, single-pass interferometrie data, squint angles, technique, InSAR, Interferometry. [Abstract] [bibtex-entry]


  22. Wei Ye, Tat Soon Yeo, and Zheng Bao. Weighted least-squares estimation of phase errors for SAR/ISAR autofocus. IEEE Transactions on Geoscience and Remote Sensing, 37(5):2487-2494, September 1999. Keyword(s): SAR Processsing, Autofocus, Weighted Least-Squares Estimation, WLS, Residual Motion Errors, geophysical techniques, measurement errors, remote sensing by radar, synthetic aperture radar, terrain mapping, ISAR, SAR, geophysical measurement technique, inverse SAR, land surface, phase error, phase error estimation, phase errors, radar remote sensing. [Abstract] [bibtex-entry]


  23. Charles V. Jakowatz and Daniel E. Wahl. Eigenvector method for maximum-likelihood estimation of phase errors in synthetic-aperture-radar imagery. J. Opt. Soc. Am. A, 10(12):2539-2546, 1993. Keyword(s): SAR Processing, Autofocus, Motion Compensation, MoComp, Residual Motion Errors, Airborne SAR, Phase Gradient Autofocus, PGA, Eigenvector Method, Maximum Likelihood Estimation. [bibtex-entry]


  24. Jorgen Dall. A Fast Autofocus Algorithm for Synthetic Aperture Radar Processing. IEEE International Conference on Acoustics, Speech, and Signal Processing ICASSP, 3:5-8, September 1992. Keyword(s): SAR Processing, Doppler Rate Estimation, Autofocus, Airborne SAR. [Abstract] [bibtex-entry]


  25. Lars M. H. Ulander. Accuracy of Using Point Targets for SAR Calibration. IEEE Transactions on Aerospace and Electronic Systems, 27(1):139-148, January 1991. Keyword(s): SAR Processing, Radiometric Calibration, calibration, measurement errors, radar, radiometry, remote sensing by radar, RMS errors, SAR calibration, equivalent rectangle system resolution, impulse response, integral method, nonlinear phase errors, reference point targets, synthetic aperture radar, system focus. [Abstract] [bibtex-entry]


  26. P. H. Eichel, D. C. Ghiglia, and C. V. Jakowatz. Speckle processing method for synthetic-aperture-radar phase correction. Opt. Lett., 14(1):1, 1989. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus, PGA. [Abstract] [bibtex-entry]


  27. Richard M. Goldstein, Howard A. Zebker, and Charles L. Werner. Satellite radar interferometry: Two-dimensional phase unwrapping. Radio Science, 23(4):713-720, 1988. Keyword(s): SAR Processing, Phase Unwrapping, Branch-Cut, Branch-Cut Phase Unwrapping, SAR Interferometry, Spaceborne SAR, InSAR, DInSAR, geophysical image processing, geophysical techniques, radar interferometry, synthetic aperture radar. [Abstract] [bibtex-entry]


Conference articles

  1. Roberto Coscione, Irena Hajnsek, and Othmar Frey. Trajectory Uncertainty in Repeat-Pass SAR Interferometry: A Case Study. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 338-341, 2019. Keyword(s): SAR Processing, Synthetic aperture radar (SAR), SAR interferometry, mobile mapping, car-borne SAR, UAV, airborne SAR, terrestrial radar interferometer, repeat-pass interferometry, differential interferometry, DInSAR, SAR imaging, INS, GNSS, GPS, Trajectory Uncertainty. [Abstract] [bibtex-entry]


  2. U. Herter, H. Schmaljohann, and T. Fickenscher. Autofocus performance on multi channel SAS images in the presence of overlapping phase centers. In OCEANS 2016 MTS/IEEE Monterey, pages 1-6, September 2016. Keyword(s): geophysical image processing, image restoration, optical focusing, sonar imaging, synthetic aperture sonar, DPCA, RPC, SPGA focusing, autofocus performance, blurred images, data driven micronavigation, displaced phase center antenna, echo signals, multichannel SAS images, navigation data, overlapping phase centers, raw echo data, redundant phase centers, residual phase errors, side lobe levels, strip-map phase gradient autofocus, synthetic aperture images, synthetic aperture sonar, Apertures, Approximation algorithms, Sonar navigation, Synthetic aperture sonar, Transmitters, aperture sonar, autofocus, multi-channel, strip-map. [Abstract] [bibtex-entry]


  3. O.O. Bezvesilniy, I. M. Gorovyi, and D. M. Vavriv. Estimation of phase errors in SAR data by Local-Quadratic map-drift autofocus. In Proc. Int. Radar Symp., pages 376-381, 2012. Keyword(s): SAR Processing, Autofocus, SAR Autofocus, MoComp, Motion Compensation, Map-Drift Autofocus, airborne radar, radar imaging, synthetic aperture radar, SAR data, SAR images, X-band airborne SAR system, arbitrary residual phase error, local-quadratic map-drift autofocus, phase error estimation, quadratic errors, small data blocks, uncompensated phase errors, Antennas, Azimuth, Bandwidth, Doppler effect, Measurement uncertainty, Radar, Trajectory, autofocus, map-drift, motion compensation, motion errors, synthetic aperture radar. [Abstract] [bibtex-entry]


  4. Leif Harcke, L. Weintraub, Sang-Ho Yun, R. Dickinson, E. Gurrola, Scott Hensley, and N. Marechal. Spotlight-mode synthetic aperture radar processing for high-resolution lunar mapping. In Proc. IEEE Radar Conference, pages 1260-1264, May 2010. Keyword(s): AD 2008 to 2009, Goldstone Solar System Radar, NASA LCROSS mission impact site, autofocus technique, time-domain back-projection, bistatic time-domain backprojection technique, bistatic SAR, change detection techniques, fast-time Doppler removal, focus-plane motion, geolocation, high-resolution lunar mapping, local topography, lunar poles, phase errors, polar format algorithm, preprocessing system, radar interferometry, radar mapping, resolution cells, spotlight imaging techniques, spotlight-mode synthetic aperture radar processing, topographic mapping, geophysical equipment, radar interferometry, remote sensing by radar, synthetic aperture radar. [Abstract] [bibtex-entry]


  5. Charles V. Jakowatz and Daniel E. Wahl. Correction of propagation-induced defocus effects in certain spotlight-mode SAR collections. In Edmund G. Zelnio and Frederick D. Garber, editors, , volume 6237, pages 62370I, 2006. SPIE. Keyword(s): SAR Processing, Polar Format Algorithm, PFA, Atmospheric Influence, Phase Gradient Algorithm, PGA, Autofocus, Residual Phase Errors, Residual Error, Spotlight SAR, Spotlight-mode data. [bibtex-entry]


  6. Brian D. Rigling. Multistage entropy minimization for SAR image autofocus. In Edmund G. Zelnio and Frederick D. Garber, editors, Algorithms for Synthetic Aperture Radar Imagery XIII, volume 6237, pages 150 - 159, 2006. International Society for Optics and Photonics, SPIE. Keyword(s): SAR Processing, SAR, ground map, autofocus. [Abstract] [bibtex-entry]


  7. Karlus A. Câmara de Macedo, Christian Andres, and Rolf Scheiber. On the requirements of SAR processing for airborne differential interferometry. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 4, pages 2693-2696, July 2005. Keyword(s): SAR Processing, PTA-MoComp, Postprocessing, Motion Compensation, Topography-Based Motion Compensation, Chirp Scaling Algorithm, Extended Chirp Scaling Algorithm, fast Fourier transform-based postprocessing methodology, FFT, D-InSAR, German Aerospace Center, DLR, airborne repeat-pass interferometry, differential interferometry, geometric fidelity, motion errors, phase accuracy, residual phase errors, topographic heights, Topography, DEM, Terrain, wide beamwidth, Airborne SAR, ESAR. [Abstract] [bibtex-entry]


  8. V. C. Koo, T. S. Lim, and H. T. Chuah. A Comparison of Autofocus Algorithms for SAR Imagery. In Progress In Electromagnetics Research Symposium, volume 1, Hangzhou, China, pages 16-9, 2005. Keyword(s): SAR Processing, Autofocus, Motion Compensation, MoComp, Residual Motion Errors, Comparion of Algorithms, Comparison of Autofocus Algorithms, Airborne SAR, Phase Gradient Autofocus, PGA, Eigenvector Method, Maximum Likelihood Estimation. [Abstract] [bibtex-entry]


  9. H.J. Callow, M.P. Hayes, and P.T. Gough. Stripmap phase gradient autofocus. In OCEANS 2003. Proceedings, volume 5, pages 2414-2421, September 2003. Keyword(s): SAR Processing, Autofocus, Phase Curvature Autofocus, Phase Gradient Autofocus, PGA, SPGA, Stripmap Phase Gradient Algorithm, Synthetic Aperture Sonar, SAS. [Abstract] [bibtex-entry]


  10. Richard Abrahamsson, Jian Li, Petre Stoica, and Gunnar Thordarson. Sensitivity of two autofocus algorithms to spatially variant phase errors. In E. G. Zelnio, editor, Proceedings of SPIE Vol. 5788, volume 4382 of Presented at the Society of Photo-Optical Instrumentation Engineers (SPIE) Conference, pages 29-40, August 2001. Keyword(s): SAR Processing, Phase Gradient Autofocus, PGA, AUTOCLEAN, CLEAN, Polar Format Algorithm, Autofocus, Residual Motion Errors, Motion Errors, Motion Compensation, MoComp, Motion Through Resolution Cells, Spatially Variant Phase Errors, Airborne SAR. [Abstract] [bibtex-entry]


  11. Tim Payne. Phase analysis for the limitations of the tomographic paradigm on a 3D scene. In Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International, volume 7, pages 3030-3032, 2001. Keyword(s): SAR Processing, SAR Tomography, Tomography, geophysical techniques, radar theory, remote sensing by radar, synthetic aperture radar, terrain mapping, 3D Fourier transform, 3D scene, SAR, complex surface reflectivity, demodulated pulses, geophysical measurement technique, land surface, phase analysis, phase errors, spotlight mode, three dimensional scene. [Abstract] [bibtex-entry]


  12. M. Preiss, D. Gray, and N.J.S. Stacy. The effect of polar format resampling on uncompensated motion phase errors and the phase gradient autofocus algorithm. In Geoscience and Remote Sensing Symposium, 2001. IGARSS '01. IEEE 2001 International, volume 3, pages 1442-1444, July 2001. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus. [bibtex-entry]


  13. Rolf Scheiber and P. Robert. Origin and correction of phase errors in airborne repeat-pass SAR interferometry. In IEEE Int. Geosci. Remote Sens. Symp., volume 7, pages 3114-3116, Jul. 2001. Keyword(s): SAR Processing, SAR Interferometry, Phase Errors, Airborne SAR, E-SAR, DLR, geophysical techniques, terrain mapping, airborne radar, remote sensing by radar, synthetic aperture radar, motion error, geophysical measurement technique, land surface, terrain mapping, radar remote sensing, phase error, airborne radar, repeat pass method, SAR interferometry, InSAR, synthetic aperture radar, residual motion error, L-band, UHF, quantitative analysis, Error correction, Radar tracking, Radio interferometry, Space technology, Radio frequency, L-band, Aircraft, Global Positioning System, Geometry. [Abstract] [bibtex-entry]


  14. Guoyongmei, Chenhao, Hongwen, and Maoshiyi. Resample in the first order motion compensation of real-time SAR processor. In 5th International Conference on Signal Processing Proceedings, 2000. WCCC-ICSP 2000, volume 3, pages 1830-1833, 2000. Keyword(s): SAR Processsing, Airborne SAR, Motion Compensation, MoComp, airborne radar, error compensation, image sampling, motion compensation, radar imaging, real-time systems, synthetic aperture radarSAR image, azimuth focus, first order motion compensation, image defocus, image distortion, motion error model, phase errors, real-time SAR processor, resample problem, signal amplitude, synthetic aperture radar. [Abstract] [bibtex-entry]


  15. Carole E. Nahum. Autofocusing using multiscale local correlation. In Proc. SPIE, volume 3497, pages 21-30, 1998. Keyword(s): SAR Processing, Autofocus, SAR Autofocus, MoComp, Motion Compensation, Map-Drift Autofocus, airborne radar, radar imaging, synthetic aperture radar, SAR data, SAR images, X-band airborne SAR system, arbitrary residual phase error, local-quadratic map-drift autofocus, phase error estimation, quadratic errors, small data blocks, uncompensated phase errors, Antennas, Azimuth, Bandwidth, Doppler effect, Measurement uncertainty, Radar, Trajectory, autofocus, map-drift, motion compensation, motion errors, synthetic aperture radar. [Abstract] [bibtex-entry]


  16. Shunhua Wang and Xiaotao Huang. Autofocus techniques for reducing phase errors in UWB-SAR. In IEEE National Aerospace and Electronics Conference, NAECON 1997, volume 2, pages 1009-1014, July 1997. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus, PGA, Residual Motion Errors, UWB SAR. [bibtex-entry]


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Last modified: Fri Feb 24 14:24:24 2023
Author: Othmar Frey, Earth Observation and Remote Sensing, Institute of Environmental Engineering, Swiss Federal Institute of Technology - ETH Zurich .

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