Analysis of UHF synthetic aperture radar (SAR) images has revealed a spatially correlated phase structure over a resolved target such as a long wire or a large truck. This phase variation, approximated by a simple, range-dependent factor 4/spl pi/r//spl lambda/, results in a line-shaped image spatial spectrum. Such image phase and spectral features can be exploited by coherent spatial filtering to improve target-to-clutter ratios of large targets and stationary target detectability in a strong clutter environment.
Coherent spatial filtering for SAR detection of stationary targets
IEEE Transactions on Aerospace and Electronic Systems ; 35 , 2 ; 614-626
01.04.1999
5574372 byte
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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