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Conventional SAR images under rich scattering suffer degradation because of ghost images caused by multipath propagation. In this paper, we develop a time reversal SAR (TR-SAR) imaging algorithm for extended (nonpoint-like) targets in rich multipath scattering. We test the TR-SAR algorithm using experimental electromagnetic data collected in a laboratory environment where the extended target (a galvanized...
During the mapping task using high-resolution airborne SAR images, the effective using of DGPS data has important influence on the final accuracy and efficiency of surveying and mapping. This paper analyzed the imaging geometric characteristics of airborne SAR system, and, under the condition of space-constant PRF imaging technique, it put forward to a kind of flight track processing method for radar...
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