Ultra-wideband radar target detection for sloped and diffuse scattering environments
This paper extends simulation and target detection results from an investigation entitled "Self-Training Algorithms for Ultra-wideband SAR Target Detection" that was conducted last year and ...
Region-enhanced imaging for sparse-aperture passive radar
We present the application of a recently-developed region-enhancedsynthetic aperture radar (SAR) image reconstruction technique to theproblem of passive radar imaging. One goal in passive radar imagin...
Proc. SPIE, Vol. 5427, 164 (2004);
doi:10.1117/12.544935
Conference Date: Monday 12 April 2004
Conference Location: Orlando, FL, USA
Conference Title: Algorithms for Synthetic Aperture Radar Imagery XI
Conference Chairs: Edmund G. Zelnio, Frederick D. Garber
Mujdat Cetin Massachusetts Institute of Technology (USA)
Weconsider imaging strategies for synthetic aperture radar datacollections that spana wide angular aperture. Most traditionalradar imaging techniques arepredicated on the assumption ofisotropic point scattering mechanisms, which doesnot hold forwide apertures. We investigate point scattering center imagesfornarrowband, wide angle data, and consider the effect of limitedpersistenceon the resulting images. We investigate imagingstrategies that applyto wide angle apertures. We show thatcoherent processing ofthe entire wide angle aperture may not bethe best imageformation strategy for objects of practicalinterest. Finally, we presentinitial results on resolutionenhancement techniques for wide angle apertures.
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