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一、发展概况合成孔径雷达(SAR)是一种用途广泛、同时又是有广阔发展前景的有源微波侦察与遥感系统。它是五十年代初发展出来的一种“合成孔径”变型的侧视雷达。 1973年,美国开始研究宇载SAR系统。1975年正式开始实行海洋卫星(SEASAT)计划。1977年8月美国宇航局又批准了航天飞机成象雷达(SIR-A)计划。这两个计划的实施,促成了1978年6月海洋卫星-A、1981年11月SIR-A的成功飞行试验。由这两个空间SAR系统取得的各种地
First, the development overview Synthetic aperture radar (SAR) is a wide range of uses, but also has broad prospects for the development of active microwave reconnaissance and remote sensing systems. It is a “synthetic aperture” variant of the side-looking radar developed in the early 1950s. In 1973, the United States began to study the spaceborne SAR system. 1975 officially began implementing the Ocean Satellite (SEASAT) program. In 1977 August NASA approved the Space Shuttle Imaging Radar (SIR-A) program again. The implementation of these two plans led to the successful flight test of Satellites-A of June 1978, SIR-A, November 1981. The various places acquired by these two space SAR systems