Synthetic Aperture Radar (SAR), as a kind of active remote sensor, is a system that can scan and image earth surface object in a high resolution using its electromagnetic wave.

• 合成孔径雷达(Synthetic Aperture Radar,简称SAR)作为一种主动式传感器,是利用雷达本身发射的电磁波进行高分辨率成像的系统。