Publications about 'VHF'

Thesis

1. Richard T. Lord. Aspects of Stepped-Frequency Processing for Low-Frequency SAR Systems. PhD thesis, University of Cape Town, Rondebosch, South Africa, 2000. Keyword(s): SAR Processing, Stepped-Frequency Processing, RFI Suppression, Low-Frequency SAR, Wideband SAR. [Abstract] [Comments] [bibtex-entry]

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. 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]



3. Xiaoqing Wu, K.C. Jezek, E. Rodriguez, S. Gogineni, F. Rodriguez-Morales, and A. Freeman. Ice Sheet Bed Mapping With Airborne SAR Tomography. IEEE Trans. Geosci. Remote Sens., 49(10):3791 -3802, oct. 2011. Keyword(s): SAR Processing, SAR Tomography, Tomography, 2D image formation, 3D tomographic ice sounding method, AD 2006 05, AD 2008 07, airborne SAR tomography, ice sheet bed mapping, ice sheet surface topography, ice thickness, multiple-phase-center VHF radar system, nadir depth sounder tracks, swath measurements, time-domain subaperture method, very high frequency radar data, geophysical image processing, glaciology, hydrological techniques, radar imaging, remote sensing by radar, synthetic aperture radar;. [Abstract] [bibtex-entry]



4. Lianlin Li and Fang Li. Ionosphere tomography based on spaceborne SAR. Advances in Space Research, 42(7):1187-1193, October 2008. Keyword(s): SAR Processing, Ionosphere tomography, Spaceborne SAR, Electron density isolines, Inverse scattering technique for multi-layered random surfaces, Method of moment, MoM, TEC, Total Electron Content, CT, computerized tomography. [Abstract] [bibtex-entry]



5. Ross F. Nelson, Peter Hyde, Patrick Johnson, Bomono Emessiene, Marc L. Imhoff, Robert Campbell, and Wilson Edwards. Investigating RaDAR-LiDAR synergy in a North Carolina pine forest. Remote Sensing of Environment, 110(1):98-108, September 2007. Keyword(s): SAR Processing, Biomass, Forest, VHFRaDAR, profiling LiDAR, biomass, RaDAR-LiDAR synergy, VHFSAR DATA, SMALL-FOOTPRINT LIDAR, AIRBORNE LASER DATA, STEM VOLUME, STAND CHARACTERISTICS, AERIAL-PHOTOGRAPHY, VEGETATION BIOMASS, CONIFEROUS FOREST, BOREAL FORESTS, SCANNER DATA. [Abstract] [bibtex-entry]



6. 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]



7. 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]



8. 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]



9. 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]



10. 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]



11. 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. A. Elsherbini and K. Sarabandi. Subsurface topography mapping in deserts using two frequency SAR interferometry. In Proc. XXXth URSI General Assembly and Scientific Symp, pages 1-4, August 2011. Keyword(s): radar interferometry, synthetic aperture radar, terrain mapping, topography (Earth), InSAR inversion, Ka-InSAR, SAR image, VHF-InSAR, arid region, desert, height estimation, image distortion, scaled model measurement, subsurface topography mapping, top interface topography, two frequency SAR interferometry, Antennas, Azimuth, Extraterrestrial measurements, Focusing, Scattering, Surface topography. [bibtex-entry]



2. A. Wyholt and Lars M. H. Ulander. Evaluating VHF-band SAR autofocus algorithms using a forest backscatter model. In Proc. IEEE Int. Geosci. Remote Sens. Symp., volume 4, pages 9-12, July 2009. Keyword(s): SAR Processing, Autofocus, Time-Domain Back-Projection, TDBP, FFBP, SAR subimages, VHF-band SAR autofocus algorithms, fast factorized back-projection algorithm, forest backscatter model, forest clutter model, matching error, residual displacement errors, subimage matching, backscatter, focusing, geophysical image processing, image matching, remote sensing by radar, synthetic aperture radar. [Abstract] [bibtex-entry]



3. 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]



4. 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]



5. Xiaotao Huang, Zhimin Zhou, and Diannong Liang. Effects of RFI on UWB-SAR Using LFM Waveforms. In CIE International Conference on Radar, 2001, pages 631-633, October 2001. Keyword(s): SAR Processing, RFI Suppression, Ultra-Wideband SAR, VHF SAR. [Abstract] [bibtex-entry]



6. 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]



7. 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]



8. Richard T. Lord and Michael R. Inggs. Approaches to RF interference suppression for VHF/UHF synthetic aperture radar. In Communications and Signal Processing, 1998. COMSIG '98. Proceedings of the 1998 South African Symposium on, pages 95-100, 1998. Keyword(s): SAR Processing, adaptive filters, adaptive signal processing, interference suppression, least mean squares methods, radar imaging, radar interference, synthetic aperture radar, LMS adaptive filter, P-Band, RF interference suppression, RFI Suppression, SAR imagery, VHF/UHF SAR applications, VHF/UHF synthetic aperture radar, coherent subtraction algorithms, filter approaches, image quality, interference power, least-mean-squared filter, radio frequency interference, receiver noise, spectral estimation. [Abstract] [bibtex-entry]



9. 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]



10. Ron S. Goodman, Sreenidhi Tummala, and Walter G. Carrara. Issues in Ultra-Wideband, Widebeam SAR Image Formation. In The Record of the 1995 IEEE Radar Conference, pages 479-485, May 1995. Keyword(s): SAR Processing, Range Migration Algorithm, Wavefront Reconstruction, Wavenumber Domain Algorithm, omega-k, RFI Suppression, Motion Compensation, Autofocus Techniques, Ultra-Wideband SAR, Sidelobe Control, P-Band, FOPEN, Airborne SAR. [Abstract] [bibtex-entry]



11. Matthew Braunstein, James M. Ralston, and David A. Sparrow. Signal processing approaches to radio frequency interference (RFI) suppression. In Dominick A. Giglio, editor, Algorithms for Synthetic Aperture Radar Imagery, volume 2230, pages 190-208, 1994. SPIE. Keyword(s): SAR Processing, RFI Suppression, Ultra-Wideband SAR, Airborne SAR. [Abstract] [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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