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Publications about 'CARABAS'

Articles in journal or book chapters

  1. Jan Torgrimsson, Patrick Dammert, Hans Hellsten, and Lars M. H. Ulander. SAR Processing Without a Motion Measurement System. IEEE Transactions on Geoscience and Remote Sensing, 57(2):1025-1039, February 2019. Keyword(s): SAR Processsing, Backprojection, Fast-factorized Back-projection, FFBP, Time-Domain Back-Projection, TDBP, Azimuth Focusing, Motion Compensation, MoComp, autofocus, geometric autofocus, radar imaging, synthetic aperture radar, synthetic aperture radar image, very high frequency band, base-2 fast factorized back-projection, track velocity error, CARABAS II system, ultrawideband data sets, innovative autofocus concept, subaperture pair, free geometry parameters, back-projection formulation, factorized geometrical autofocus, SAR processing, FGA algorithm, VHF-band, wavelength-resolution SAR image, FGA images, linear equidistant track, basic geometry model, Geometry, Synthetic aperture radar, Global Positioning System, Tracking, Apertures, Radar tracking, Autofocus, back-projection (BP), factorized geometrical autofocus (FGA), Synthetic Aperture Radar (SAR). [Abstract] [bibtex-entry]


  2. Jan Torgrimsson, Patrik Dammert, Hans Hellsten, and Lars M. H. Ulander. An Efficient Solution to the Factorized Geometrical Autofocus Problem. IEEE Transactions on Geoscience and Remote Sensing, 54(8):4732-4748, August 2016. Keyword(s): SAR Processing, Autofocus, Fast-Factorized Back-Projection, FFBP, radar imaging, synthetic aperture radar, 6-D autofocus problem, FGA algorithm, adjustable geometry parameters, factorized back-projection formulation, factorized geometrical autofocus problem, geometrical variation, global autofocus solution, magnitude values, maximizing focus quality, peak-to-sidelobe ratio, point-like targets, synthetic-aperture-radar processing, ultrawideband CARABAS II data, Apertures, Geometry, Radar imaging, Radar tracking, Search problems, Synthetic aperture radar, Autofocus, back-projection, synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  3. Viet Thuy Vu and Mats I. Pettersson. Fast Backprojection Algorithms Based on Subapertures and Local Polar Coordinates for General Bistatic Airborne SAR Systems. IEEE Trans. Geosci. Remote Sens., 54(5):2706-2712, May 2016. Keyword(s): SAR Processing, Back-Projection, Fast Back-Projection, Fast-Factorized Back-Projection, Azimuth Focusing, airborne radar, synthetic aperture radar, bistatic CARABAS-like data, fast backprojection algorithms, general bistatic airborne SAR systems, half-power beamwidths, image quality measurements, interpolation step, local polar coordinates, peak sidelobe ratio, subapertures, Image reconstruction, Receivers, Signal processing algorithms, Synthetic aperture radar, Time-domain analysis, Transmitters, Algorithm, bistatic, fast backprojection, polar coordinates, synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  4. Viet Thuy Vu and Mats I. Pettersson. Nyquist Sampling Requirements for Polar Grids in Bistatic Time-Domain Algorithms. IEEE Transactions on Signal Processing, 63(2):457-465, January 2015. Keyword(s): SAR Processing, Time-Domain Back-Projection, TDBP, Fast-Factorized Back-Projection, FFBP, Bistatic SAR, Bistatic Fast-Factorized Back-Projection, BiFFBP, radar signal processing, signal sampling, Nyquist sampling, airborne bistatic system, bistatic CARABAS-II like data, bistatic cases, bistatic time-domain algorithms, general bistatic geometry, polar grids, Geometry, Radar polarimetry, Receivers, Signal processing algorithms, Synthetic aperture radar, Time-domain analysis, Transmitters, Bistatic, Nyquist sampling, SAR, fast backprojection. [Abstract] [bibtex-entry]


  5. Jan Torgrimsson, Patrik Dammert, Hans Hellsten, and Lars M. H. Ulander. Factorized Geometrical Autofocus for Synthetic Aperture Radar Processing. IEEE Trans. Geosci. Remote Sens., 52(10):6674-6687, October 2014. Keyword(s): SAR Processing, Fast-Factorized Back-Projection, FFBP, Time-Domain Back-Projection, TDBP, Airborne SAR, CARABAS Autofocus, SAR Autofocus, Geometrical Autofocus, radar imaging, radar tracking, synthetic aperture radar, ultra wideband radar, FGA algorithm, coherent all radio band system II data set, constrained problem, factorized geometrical autofocus algorithm, fast factorized back-projection chain, gain 3 dB, intensity correlation, object function, peak-to-sidelobe ratio measurement, radar imaging, residual space variant range cell migration, ultrawideband synthetic aperture radar processing, Apertures, Electronics packaging, Geometry, Radar tracking, Synthetic aperture radar, Transforms, Autofocus, back-projection, phase gradient algorithm (PGA), synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  6. Viet Thuy Vu, Thomas K. Sjogren, and Mats I. Pettersson. Fast Time-Domain Algorithms for UWB Bistatic SAR Processing. IEEE Trans. Aerosp. Electron. Syst., 49(3):1982-1994, July 2013. Keyword(s): SAR Processing, Time-Domain Back-Projection, TDBP, Fast-Factorized Back-Projection, FFBP, Bistatic SAR, Bistatic Fast-Factorized Back-Projection, BiFFBP, radar cross-sections, radar imaging, synthetic aperture radar, time-domain analysis, ultra wideband radar, BiFFBP, CARABAS-II, UWB bistatic SAR, bistatic fast factorized backprojection, radar echo, radar signal processing, subaperture, subimage basis, synthetic aperture radar, time-domain algorithm, ultra wideband radar, ultra widebeam radar, Radar imaging, Receivers, Signal processing algorithms, Synthetic aperture radar, Time-domain analysis, Transmitters. [Abstract] [bibtex-entry]


  7. 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, 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]


  8. P. Frolind, A. Gustavsson, M. Lundberg, and L. M. H. Ulander. Circular-Aperture VHF-Band Synthetic Aperture Radar for Detection of Vehicles in Forest Concealment. IEEE Transactions on Geoscience and Remote Sensing, 50(4):1329-1339, April 2012. Keyword(s): focusing, image resolution, radar imaging, synthetic aperture radar, VHF devices, circular-aperture VHF-band synthetic aperture radar, vehicles, dense forest concealment, image resolution, object information, signal processing, imaging geometry, high-quality image focusing, contrast optimization, false-alarm rate, detection probability, frequency 20 MHz to 90 MHz, Focusing, Vehicles, Apertures, Radar tracking, Image resolution, Geometry, Circular aperture, forest concealment, synthetic aperture radar (SAR), target detection, very high frequency (VHF). [Abstract] [bibtex-entry]


  9. Viet Thuy Vu, Thomas K. Sjogren, and Mats I. Pettersson. Ultrawideband Chirp Scaling Algorithm. IEEE Geoscience and Remote Sensing Letters, 7(2):281-285, April 2010. Keyword(s): SAR Processing, Chirp Scaling, Chirp Scaling Algorithm, CSA, UCS, Azimuth Focusing, Focusing Algorithm, CARABAS-II, LORA, UWB SAR, UWB, antenna beamwidth, fractional bandwidth, ground-moving-target-indication SAR systems, high pulse repetition frequency, integration angle, synthetic aperture radar imaging algorithms, ultrawideband chirp scaling algorithm, geophysical image processing, geophysical techniques, synthetic aperture radar;. [Abstract] [bibtex-entry]


  10. Viet Thuy Vu, Thomas K. Sjogren, Mats I. Pettersson, L. Hakansson, A. Gustavsson, and Lars M. H. Ulander. RFI Suppression in Ultrawideband SAR Using an Adaptive Line Enhancer. IEEE Geosci. Remote Sens. Lett., 7(4):694-698, October 2010. Keyword(s): SAR Processing, RFI, radio frequency interference, RFI mitigation, interference suppression, least mean squares methods, radiofrequency interference, synthetic aperture radar, ultra wideband radar, RFI suppression, UWB low-frequency SAR data, adaptive line enhancer, least mean square algorithm, radiofrequency interference, ultrawideband low-frequency synthetic aperture radar, Adaptive control, Interference suppression, Least mean square algorithms, Line enhancers, Programmable control, Proposals, Radio frequency, Radiofrequency interference, Synthetic aperture radar, Ultra wideband technology, Adaptive line enhancer (ALE), CARABAS-II, normalized least mean square (LMS) (NLMS), radio-frequency interference (RFI), synthetic aperture radar (SAR), ultrawideband (UWB). [Abstract] [bibtex-entry]


  11. Mats I. Pettersson. Detection of Moving Targets in Wideband SAR. IEEE Transactions on Aerospace and Electronic Systems, 40(3):780-796, July 2004. Keyword(s): SAR Processing, Fast Back-Projection, Factorized Back-Projection, Time-Domain Back-Projection, TDBP, Back-Projection, Moving Target Indication, Ultra-Wideband SAR, Wideband SAR, VHF SAR, UHF SAR, CARABAS, LORA, Airborne SAR, C-Band. [Abstract] [bibtex-entry]


  12. Lars M. H. Ulander, Hans Hellsten, and Gunnar Stenström. Synthetic-Aperture Radar Processing Using Fast Factorized Back-Projection. IEEE Transactions on Aerospace and Electronic Systems, 39(3):760-776, July 2003. Keyword(s): SAR Processing, Fast Factorized Back-Projection, Time-Domain Back-Projection, TDBP, Back-Projection, Fast Back-Projection, Factorized Back-Projection, Ultra-Wideband SAR, VHF SAR, CARABAS, Airborne SAR. [Abstract] [bibtex-entry]


  13. Per-Olov Frölind and Lars M. H. Ulander. Digital Elevation Map Generation Using VHF-Band SAR Data in Forested Areas. IEEE Transactions on Geoscience and Remote Sensing, 40(8):1769-1776, August 2002. Keyword(s): SAR Processing, Interferometry, DEM Generation, Time-Domain Back-Projection, Backprojection, Ultra-Wideband SAR, VHF SAR, CARABAS, Airborne SAR. [Abstract] [bibtex-entry]


  14. X. Luo, Lars M. H. Ulander, J. Askne, G. Smith, and Per-Olov Frölind. RFI Suppression in Ultra-Wideband SAR Systems Using LMS Filters in Frequency Domain. Electronics Letters, 37(4):241-243, February 2001. Keyword(s): SAR Processing, RFI Suppression, Back-Projection, Ultra-Wideband SAR, VHF SAR, CARABAS, Airborne SAR. [Abstract] [bibtex-entry]


  15. Lars M. H. Ulander and Per-Olov Frölind. Ultra-Wideband SAR Interferometry. IEEE Transactions on Geoscience and Remote Sensing, 36(5):1540-1550, September 1998. Keyword(s): SAR Processing, Interferometry, DEM Generation, Fourier-Hankel Inversion, Hankel Transform, Abel Transform, Ultra-Wideband SAR, VHF SAR, CARABAS, Airborne SAR. [Abstract] [bibtex-entry]


  16. H. Israelsson, L. M. H. Ulander, J. L. H. Askne, J. E. S. Fransson, P.-O. Frölind, A. Gustavsson, and H. Hellsten. Retrieval of forest stem volume using VHF SAR. IEEE Trans. Geosci. Remote Sens., 35(1):36-40, January 1997. Keyword(s): SAR Processing, Forest, Forest parameters, biomass, 28 to 60 MHz, CARABAS, HF radar, Oland, SAR, Sweden, VHF radar, airborne radar, backscattering coefficient, biomass, coherent all radio band sensing, deciduous mixed forest, dense forest, discrimination, forest stem volume, forestry, geophysical measurement technique, horizontal dipole array, radar imaging, radar remote sensing, radar scattering, tree trunk, vegetation mapping, wood, airborne radar, forestry, geophysical techniques, radar cross-sections, radar imaging, remote sensing by radar, synthetic aperture radar. [Abstract] [bibtex-entry]


Conference articles

  1. Jan Torgrimsson, Patrik Dammert, Hans Hellsten, and Lars M. H. Ulander. Autofocus and analysis of geometrical errors within the framework of fast factorized back-projection. In Proc. SPIE, volume 9093, pages 909303-909303-16, 2014. Keyword(s): SAR Processing, Fast-Factorized Back-Projection, FFBP, Time-Domain Back-Projection, TDBP, Autofocus, SAR Autofocus, Geometrical Autofocus, Airborne SAR, CARABAS, factorized geometrical autofocus algorithm, fast factorized back-projection chain, gain 3 dB, intensity correlation, object function, peak-to-sidelobe ratio measurement, radar imaging, residual space variant range cell migration, ultrawideband synthetic aperture radar processing, Apertures, Electronics packaging, Geometry, Radar tracking, Synthetic aperture radar, Transforms, Autofocus, back-projection, phase gradient algorithm, PGA, synthetic aperture radar (SAR). [Abstract] [bibtex-entry]


  2. M. Blom and P. Follo. VHF SAR image formation implemented on a GPU. In IEEE International Geoscience and Remote Sensing Symposium, IGARSS '05., volume 5, pages 3352-3356, July 2005. Keyword(s): SAR Processing, Time-Domain Back-Projection, TDBP, GPU, Graphic Processing Unit, GPU Processing, 3D Graphics Card, VHF, Airborne SAR, FOI, CARABAS. [Abstract] [bibtex-entry]


  3. Arnold Barmettler, Erich Meier, and Daniel Nüesch. Development of an Ultra-Wideband SAR Processor. In CEOS SAR Workshop 2001, April 2001. Keyword(s): SAR Processing, Time-Domain Back-Projection, Back-Projection, Ultra-Wideband SAR, VHF SAR, CARABAS, Airborne SAR. [Abstract] [bibtex-entry]


  4. Lars M. H. Ulander, Per-Olov Frölind, A. Gustavsson, H. Hellsten, T. Jonsson, B. Larsson, and G. Stenstrom. Performance of the CARABAS-II VHF-Band Synthetic Aperture Radar. In IGARSS '01, International Geoscience and Remote Sensing Symposium, volume 1, pages 129 - 131, Jul. 2001. Keyword(s): SAR Processing, RFI Suppression, Back-Projection, Ultra-Wideband SAR, Time-Domain Back-Projection, TDBP, VHF SAR, CARABAS, Airborne SAR. [Abstract] [bibtex-entry]


  5. Lars M. H. Ulander and Per-Olov Frölind. Precision Processing of CARABAS HF/VHF-Band SAR Data. In IGARSS '99, International Geoscience and Remote Sensing Symposium, volume 1, pages 47-49, June 1999. Keyword(s): SAR Processing, RFI Suppression, Back-Projection, Time-Domain Back-Projection, TDBP, Ultra-Wideband SAR, VHF SAR, CARABAS, Airborne SAR, Motion Compensation. [Abstract] [bibtex-entry]


  6. Olle Seger, Magnus Herberthson, and Hans Hellsten. Real time SAR processing of low frequency ultra wide band radar data. In Proc. of EUSAR '98 - European Conference on Synthetic Aperture Radar, pages 489-492, May 1998. Keyword(s): SAR Processing, Back-Projection, Time-Domain Back-Projection, TDBP, Local Back-Projection, Real Time Operation, Ultra-Wideband SAR, FOPEN, Image processing, Ground Penetrating Radar, Low-Frequency SAR, Image Reconstruction, Radar Resolution, Parallel Processing. [Abstract] [bibtex-entry]


  7. H. Hellsten, Lars M. H. Ulander, A. Gustavsson, and B. Larsson. Development of VHF CARABAS II SAR. In Proc. SPIE, volume 2747, pages 48-60, June 1996. [bibtex-entry]


Miscellaneous

  1. Daniel Svensson and Jan Johansson. Suppression of Radio Frequency Interference in Low Frequency SAR. Master's thesis, Chalmers University of Technology, 2004. Keyword(s): SAR Processing, RFI Suppression, CARABAS, Airborne SAR, Analogue TV, VHF SAR. [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.




Last modified: Mon Feb 1 16:39:22 2021
Author: Othmar Frey, Earth Observation and Remote Sensing, Institute of Environmental Engineering, Swiss Federal Institute of Technology - ETH Zurich .


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