Abstract
The purpose of motion compensation is to reduce the echo error caused by irregular motion through control or correction measures, so that the compensated echo can be restored to the state of regular motion as much as possible. SAR motion compensation can be divided into two parts: motion compensation based on motion-sensing information and motion compensation based on echo data. The core task of bistatic SAR motion compensation is still the correction of echo migration trajectory error and the reduction of Doppler signal phase error. Based on the analysis of the sources and effects of motion errors, this chapter discusses the motion error tolerance and focuses on the motion compensation method of bistatic SAR. Finally, examples of simulation and experimental verification are given.
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