The focused synthetic aperture imaging processing is the available method to improve the azimuth resolution, but the operational quantity is so large that it could not accomplish in real time.
合成孔径成像是提高图像方位向分辨率的有效方法，但算法运算量大，在机载条件下往往实时性得不到保证。
2
Synthetic aperture radar(SAR)is one high resolution radar, and the simulation of raw signal is one important aspect of SAR.
合成孔径雷达是一种高分辨率的雷达体制，原始信号的模拟是合成孔径雷达研制的一个重要方面。
3
A novel statistical decision criterion for Synthetic Aperture Radar (SAR) image resolution is presented here.