A Range Grating Lobes Suppression Method for Stepped-Frequency SAR Imagery.

Zegang Ding, Yansu Guo,Wenbin Gao,Qi Kang,Tao Zeng,Teng Long

IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing（2016）

引用 11|浏览58

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摘要

Stepped-frequency synthetic aperture radar (SAR) system errors induce the periodic magnitude error and phase error (MEPE) in the synthesized wideband spectrum. The periodic MEPE results in periodic grating lobes in the high range resolution profile, which degrade the SAR image quality seriously. This paper presents a data-driven grating lobes suppression (GLS) method, named MEPE-GLS, to suppress g...

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关键词

Gratings,Synthetic aperture radar,Wideband,Phase locked loops,Estimation,Clutter,Time-domain analysis

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