Time-Varying Nadir Echo Suppression for Spaceborne Stripmap Range Sweep Synthetic Aperture Radar via Waveform Diversity
IEEE Geoscience and Remote Sensing Letters(2021)
摘要
The spaceborne stripmap range sweep synthetic aperture radar (SS-RSSAR) is a new operation mode for efficiently imaging the regions squinted with satellite orbit. By nonuniformly implementing azimuth sampling, the SS-RSSAR is able to avoid the problem of transmission blockage when the slant range varies seriously. However, this advantage is achieved at the cost of inducing time-varying nadir echo ...
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关键词
Chirp,Synthetic aperture radar,Spaceborne radar,Data acquisition,Correlation,Imaging,Radar imaging
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