基于仿真数据的HJ-1C 卫星SAR 成像处理方法
摘要
Synthetic-aperture radar (SAR) is an important method for earth remote sensing. HJ-1C will be launched in the near future as the first civil space-borne SAR satellite. This paper examines the key methods that form the basis of SAR imaging. These include a more accurate range model and related ECS(extended chirp scaling)factors, a fast echoes simulation method in the frequency domain, an accurate Doppler parameters calculation method and an improvement in the ScanSAR mosaic of sub-swath images. Simulations show that ECS and related methods are well suited for space-borne SAR imaging in Stripmap and ScanSAR mode with a larger squint angle.
引用本文（GB/T 7714）
Minghui Hou. 基于仿真数据的HJ-1C 卫星SAR 成像处理方法[J]. Scientia Sinica Informationis, 2011.
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