动目标检测和成像是合成孔径雷达(SAR)领域中一个十分活跃的研究热点，是SAR要完成的基本功能之一，无论在军事上还是在民用中都具有非常重要的作用。
Moving Target Detection and Image (MTDI) is a hot topic in the area of Synthetic Aperture Radar (SAR) and plays an important role in both martial field and civilian field.
它既继承了SAR的全天候、大范围、有一定穿透能力等优点，又具有对目标三维地貌进行高精度成像、对目标地面的慢速动目标和地壳微小移动作高精度检测等的能力。
Carried forward the merit of SAR, InSAR can create high resolution DEM and accomplish change detection, such as slow-moving targets or subtle shift of the earth's surface.
它既继承了SAR的全天候、大范围、有一定穿透能力等优点，又具有对目标三维地貌进行高精度成像、对目标地面的慢速动目标和地壳微小移动作高精度检测等的能力。
Carried forward the merit of SAR, InSAR can create high resolution DEM and accomplish change detection, such as slow-moving targets or subtle shift of the earth's surface.
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