BACK TO INDEX BACK TO OTHMAR FREY'S HOMEPAGE

Publications about 'phase error'

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. Guodong Jin, Kaiyu Liu, Dacheng Liu, Da Liang, Heng Zhang, Naiming Ou, Yanyan Zhang, Yunkai Deng, Chuang Li, and Robert Wang. An Advanced Phase Synchronization Scheme for LT-1. IEEE Transactions on Geoscience and Remote Sensing, 58(3):1735-1746, March 2020. Keyword(s): Synchronization, Satellites, Spaceborne radar, Synthetic aperture radar, Radar antennas, Oscillators, Bistatic synthetic aperture radar (SAR), phase error, phase synchronization. [Abstract] [bibtex-entry]


  6. Chuang Li, Heng Zhang, Yunkai Deng, Robert Wang, Kaiyu Liu, Dacheng Liu, Guodong Jin, and Yanyan Zhang. Focusing the L-Band Spaceborne Bistatic SAR Mission Data Using a Modified RD Algorithm. IEEE Transactions on Geoscience and Remote Sensing, 58(1):294-306, January 2020. Keyword(s): Satellites, Imaging, Synthetic aperture radar, Orbits, Azimuth, Interferometry, Spaceborne radar, 2-D principle of stationary phase (2-DPOSP) spectrum, efficient baselines, improved bistatic range-Doppler algorithm (RDA), LuTan-1 (LT-1), TwinSAR-L. [Abstract] [bibtex-entry]


  7. 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]


  8. 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]


  9. 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]


  10. 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]


  11. Michael I. Duersch and David G. Long. Analysis of time-domain back-projection for stripmap SAR. International Journal of Remote Sensing, 36(8):2010-2036, 2015. Keyword(s): SAR Processing, FMCW, Time-Domain Back-Projection, TDBP, LFMCW, Azimuth Focusing, Motion Compensation, Interferometry, SAR Interferometry, Airborne SAR. [Abstract] [bibtex-entry]


  12. 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]


  13. 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]


  14. 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]


  15. 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]


  16. 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]


  17. 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]


  18. Lei Zhang, Hao-lin Li, Zhi-Jun Qiao, Meng-Dao Xing, and Zheng Bao. Integrating Autofocus Techniques With Fast Factorized Back-Projection for High-Resolution Spotlight SAR Imaging. IEEE Geosci. Remote Sens. Lett., 10(6):1394-1398, November 2013. Keyword(s): SAR Processing, Fast-Factorized Back-Projection, FFBP, Time-Domain Back-Projection, TDBP, Fourier transforms, geophysical techniques, remote sensing by radar, synthetic aperture radar, BP coordinate, BP imagery, FFBP SA images, FFBP recursion, FFBP sub-aperture images, Fourier transform, MAMD algorithm, MAMD recursion, conventional autofocus techniques integration, fast factorized back-projection, high efficiency FFBP, high precision FFBP, high-resolution SAR imaging, high-resolution spotlight SAR imaging, high-resolution synthetic aperture radar imaging, novel multiple aperture map drift algorithm, phase correction, phase error function, range-compressed phase history data, raw data, real data experiments, well-focused imagery, Apertures, Azimuth, Doppler effect, Fourier transforms, History, Signal processing algorithms, Synthetic aperture radar, Autofocus, back-projection (BP), fast factorized back-projection (FFBP), multiple aperture map drift (MAMD), synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  19. D. Zhu, R. Jiang, X. Mao, and Z. Zhu. Multi-Subaperture PGA for SAR Autofocusing. IEEE Transactions on Aerospace and Electronic Systems, 49(1):468-488, January 2013. Keyword(s): SAR Processing, Autofocus, synthetic aperture radar, SAR autofocusing, spotlight mode synthetic aperture radar, full-aperture phase gradient autofocus, PGA algorithm, high-order phase error, residual range cell migration, RCM, coherent processing interval, stripmap data, multisubaperture PGA algorithm, map drift technique, subaperture phase error, PGA-MD, Electronics packaging, Synthetic aperture radar, Azimuth, Image resolution, Accuracy, Polynomials, Estimation. [Abstract] [bibtex-entry]


  20. 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]


  21. 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]


  22. Michael Jehle, Othmar Frey, David Small, and Erich Meier. Measurement of Ionospheric TEC in Spaceborne SAR Data. IEEE Trans. Geosci. Remote Sens., 48(6):2460-2468, June 2010. Keyword(s): SAR Processing, Total Electron Content Estimation, TEC Estimation, Ionospheric TEC, Faraday Rotation, Path Delay, Autofocus, TEC Autofocus, Spaceborne SAR, L-Band, ALOS, Phased Array L-band SAR, PALSAR, P-Pand, Simulation, Calibration. [Abstract] [bibtex-entry]


  23. 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]


  24. Xiaolan Qiu, Donghui Hu, and Chibiao Ding. An Improved NLCS Algorithm With Capability Analysis for One-Stationary BiSAR. IEEE Trans. Geosci. Remote Sens., 46(10):3179-3186, Oct. 2008. Keyword(s): geophysical techniques, synthetic aperture radarBiSAR imaging problem, NLCS algorithm, azimuth perturbation, compensation methods, differential range cell migration correction, local fit method, nonlinear chirp scaling algorithm, one-stationary bistatic SAR, range chirp scaling function. [Abstract] [bibtex-entry]


  25. T.K. Sjogren, V.T. Vu, and M.I. Pettersson. A comparative study of the polar version with the subimage version of Fast Factorized Backprojection in UWB SAR. International Radar Symposium, pp 1-4, May 2008. Keyword(s): SAR Processing, Time-Domain Back-Projection, TDBP, Fast Back-Projection, Back-Projection, Fast Factorized Back-Projection, Comparison of Algorithms, interpolation, radar imaging, synthetic aperture radar, time-domain analysis, ultra wideband radar, UWB SAR, interpolation method, phase error, polar version, subimage version, time domain SAR algorithm, Factorized Back-Projection. [Abstract] [bibtex-entry]


  26. Robert. L. Morrison, Minh N. Do, and David C. Munson. SAR Image Autofocus By Sharpness Optimization: A Theoretical Study. IEEE Transactions on Image Processing, 16(9):2309-2321, September 2007. Keyword(s): SAR Processing, Autofocus, SAR image autofocus, intensity-squared metric, point-targets image, sharpness optimization, synthetic aperture radar, image processing, optimisation, synthetic aperture radar, Algorithms, Artificial Intelligence, Computer Simulation, Image Enhancement, Image Interpretation, Computer-Assisted, Models, Theoretical, Pattern Recognition, Automated, Reproducibility of Results, Sensitivity and Specificity;. [Abstract] [bibtex-entry]


  27. 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]


  28. 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]


  29. 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]


  30. 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]


  31. 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]


  32. Hian Lim Chan and Tat Soon Yeo. Noniterative quality phase-gradient autofocus (QPGA) algorithm for spotlight SAR imagery. IEEE Trans. Geosci. Remote Sens., 36(5):1531-1539, September 1998. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus. [Abstract] [bibtex-entry]


  33. T. M. Calloway and G. W. Donohoe. Subaperture autofocus for synthetic aperture radar. IEEE Transactions on Aerospace and Electronic Systems, 30(2):617-621, 1994. Keyword(s): SAR Processing, Autofocus. [Abstract] [bibtex-entry]


  34. D.E. Wahl, P.H. Eichel, D.C. Ghiglia, and C.V. Jakowatz. Phase gradient autofocus-a robust tool for high resolution SAR phase correction. IEEE Transactions on Aerospace and Electronic Systems, 30(3):827-835, July 1994. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus. [Abstract] [bibtex-entry]


  35. 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]


  36. 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]


  37. 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]


  38. 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]


  39. 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. R. Brcic, A. Parizzi, M. Eineder, R. Bamler, and F. Meyer. Ionospheric effects in SAR interferometry: An analysis and comparison of methods for their estimation. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 1497-1500, July 2011. Keyword(s): ionospheric electromagnetic wave propagation, ionospheric techniques, radar interferometry, synthetic aperture radar, C-band system, L-band ALOS-PALSAR acquisitions, L-band system, P-band system, SAR signal, X-band frequencies, dispersive effects, ionospheric compensation, ionospheric effects, phase error, repeat-pass SAR interferometry, spaceborne SAR systems, topographic retrieval, wideband interferometry, Azimuth, Bandwidth, Delay, Estimation, Interferometry, Ionosphere, Synthetic aperture radar, delta-k, ionosphere, split-spectrum. [Abstract] [bibtex-entry]


  5. R. Brcic, A. Parizzi, M. Eineder, R. Bamler, and F. Meyer. Estimation and compensation of ionospheric delay for SAR interferometry. In Proc. IEEE Int. Geosci. Remote Sens. Symp., pages 2908-2911, July 2010. Keyword(s): compensation, data acquisition, ionospheric electromagnetic wave propagation, radar interferometry, radiowave propagation, remote sensing by radar, spaceborne radar, synthetic aperture radar, L-band ALOS-PALSAR acquisition, L-band system, SAR interferometry, SAR signal propagation, X-band frequency, dispersive effect, ionospheric delay compensation, ionospheric delay estimation, phase error, spaceborne SAR system, synthetic aperture rada, Azimuth, Bandwidth, Delay, Estimation, Frequency estimation, Ionosphere, L-band, delta-k, ionosphere, split-spectrum, wideband interferometry. [Abstract] [bibtex-entry]


  6. 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]


  7. Per-Olov Frölind and Lars M. H. Ulander. Evaluation of angular interpolation kernels in fast back-projection SAR processing. In IEE Proceedings -- Radar, Sonar and Navigation, volume 153, pages 243-249, June 2006. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Fast Factorized Back-Projection, Comparison of Algorithms, interpolation, interpolation kernels, angular interpolation kernels, radar imaging, synthetic aperture radar, ultra wideband radar, UWB SAR, interpolation method, phase error, polar version, subimage version, time domain SAR algorithm, Factorized Backprojection. [Abstract] [bibtex-entry]


  8. 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]


  9. 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]


  10. 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]


  11. Armin W. Doerry. Autofocus correction of SAR images exhibiting excessive residual migration. In Robert N. Trebits and James L. Kurtz, editors, Proceedings of SPIE Vol. 5788, Radar Sensor Technology IX, volume 5788, pages 34-45, 2005. SPIE. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus. [Abstract] [bibtex-entry]


  12. 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]


  13. 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]


  14. P. Prats, J. J. Mallorqui, and A. Broquetas. Calibration of interferometric airborne SAR images using a multisquint processing approach. In Geoscience and Remote Sensing Symposium, 2003. IGARSS '03. Proceedings. 2003 IEEE International, volume 7, pages 4353-4355, July 2003. Keyword(s): SAR Processing, Motion Compensation, ESAR, L-Band, X-Band, Airborne SAR, Squinted SAR, Interferometry, azimuth phase undulations, calibration, image pairs, interferometric airborne synthetic aperture radar systems, InSAR, multisquint processing, phase error correction, phase error detection, single-pass interferometrie data. [bibtex-entry]


  15. Athanasios Potsis, Andreas Reigber, Emmanouil Alivizatos, Alberto Moreira, and Nikolaos K. Uzunoglou. Comparison of Chirp Scaling and Wavenumber Domain Algorithms for Airborne Low-Frequency SAR. In Francesco Posa, editor, SAR Image Analysis, Modeling, and Techniques V, volume 4883, pages 25-36, March 2002. Keyword(s): SAR Processing, Chirp Scaling Algorithm, Extended Chirp Scaling Algorithm, omega-k, Range Migration Algorithm, Wavenumber Domain Algorithm, Comparison of Algorithms, P-Band, Wideband SAR, Airborne SAR. [Abstract] [bibtex-entry]


  16. 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]


  17. 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]


  18. 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]


  19. 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]


  20. 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]


  21. P. Zavattero. Distributed target SAR image de-blurring using phase gradient autofocus. In Radar Conference, 1999. The Record of the 1999 IEEE, pages 246-249, April 1999. Keyword(s): SAR Processing, Autofocus, Phase Gradient Autofocus. [Abstract] [bibtex-entry]


  22. 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]


  23. 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]


BACK TO INDEX BACK TO OTHMAR FREY'S HOMEPAGE

Disclaimer:

Please note that access to full text PDF versions of papers is restricted to the Chair of Earth Observation and Remote Sensing, Institute of Environmental Engineering, ETH Zurich.
Copyright and all rights therein are retained by authors or by other copyright holders. All persons copying this information are expected to adhere to the terms and constraints invoked by each author's copyright.

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.



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 .

This document was translated from BibTEX by bibtex2html