Synthetic Aperture Radar (SAR) is a kind of active microwave imaging radar, which utilizes the method of aperture synthesis to achieve high resolution in the azimuth direction.

• 合成孔径雷达(Synthetic Aperture Radar,SAR)是一种主动式的微波成像雷达，它利用孔径合成的方法获得方位向的高分辨率。