Motion Phase Compensation Methods For Azimuth Ambiguity Suppression In Hrws Sar
REMOTE SENSING(2021)
摘要
The azimuth multi-channel synthetic aperture radar (SAR) is widely used in marine observation, because of its excellent imaging ability of high-resolution and wide-swath (HRWS) signals. Different from the static targets, the azimuth ambiguity of the ships on the open sea resulting from the radial motion seriously affects the SAR image quality and ship detection probability. As a result, two methods of azimuth ambiguity suppression for moving ships based on motion phase compensation are proposed to apply to different practical application conditions. The simulation and real measured data experiments verify the ability of image quality improvement by proposed methods.
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关键词
azimuth ambiguity suppression, azimuth multi-channel, high-resolution and wide-swath (HRWS), motion phase compensation
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