ISAR Motion Compensation based on Accumulation and Limitation of Consecutive Radar Returns

ISAR Motion Compensation based on Accumulation and Limitation of Consecutive Radar Returns

A new motion compensation method for ISAR is presented in this paper. It employs amplitude limiting and integration of consecutive range profiles to improve the range and phase alignment accuracy and to alter the propagation properties of compensation errors. These allow the image quality to be significantly improved. It is shown from the imaging results that the new motion compensation algorithm can get images of targets in field situations with much better quality than the traditional cross-correlation algorithm.

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