Abstract

Geosynchronous spaceborne-airborne bistatic synthetic aperture radar (GEO SA-BSAR), consisting of GEO transmitter and airborne receiver, has stable coverage for a long time and benefits moving target detection. The performance of GEO SA-BSAR moving target indication (GEO SA-BSAR MTI) system is investigated. This work provides the first analytical connection between target detection performance and configuration parameters based on the optimum output signal to clutter and noise ratio (SCNR) criterion. Furthermore, a theoretical analysis of motion parameter estimation is stated in terms of the Cramer-Rao lower bounds (CRLB). The SCNR loss and CRLB provides a necessary design configuration for GEO SA-BSAR MTI system. Finally, the optimized configuration is provided by comparing the performance.

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