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空间合成孔径雷达系统(SAR)是近几年来开始试验的一种有源微波遥感系统,它通过记录地面景物对空间SAR微波射束的2维响应而获得图象,可用来发现和识别地面景物表面的形态变化,取得有关地球资源、地质结构、海洋环境和洋流体系、植物生态等各种学科的数据。 1978年NASA发射了海洋卫星(Seasat-A),第一次进行了空间SAR的系统试验。验证了这种有源微波遥感系统的确具有可以穿透云层和雨障、实现全天候对地成象
The Space Synthetic Aperture Radar System (SAR) is an active microwave remote sensing system that has been experimenting in recent years. It obtains images by recording the 2-dimensional response of the ground objects to the space SAR microwave beam and can be used to find and identify the ground objects Surface morphology changes, access to the Earth’s resources, geological structure, marine environment and ocean currents, plant ecology and other disciplines data. NASA launched Seasat-A in 1978 and for the first time conducted a systematic experiment in space SAR. Verify that this active microwave remote sensing system does have the ability to penetrate clouds and rain barrier, to achieve all-weather imaging