大斜视角下SAR信号特点表现为大的距离走动和小的距离弯曲，这使得采用时域距离走动校正和二维可分离成像方法成为可能。

The high squint SAR signal characterizes a large range walk and a small range curvature, which enables us to compress it in range and azimuth separately.

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测量每小块能区的分辨率（FWHM）、计数率和峰位“走动”。从中选出分辨率小、计数率高和“走动”小的好能区。

The resolution(FWHM), the count rate and the peak walk were measured for every small region.

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You need energy to move your arms around and move around mechanical systems, obviously, cars, boats, etcetera.

你需要能量,来移动胳膊和走动,机械系统，汽车，船等等。

麻省理工公开课 - 热力学与动力学课程节选