In conventional ScanSAR mode, targets located at different azimuth positions are illuminated by different parts of the azimuth antenna pattern (AAP), resulting in problems of scalloping, and azimuth-varying distributed

星载扫描SAR算法研究，详述了ScanSAR的成像模式流程。(Study on spaceborne scanning SAR algorithm and detail the imaging mode flow of ScanSAR.)