Geosynchronous Spaceborne-Airborne Multichannel Bistatic SAR Imaging Using Weighted Fast Factorized Backprojection Method
IEEE Geoscience and Remote Sensing Letters(2019)
Abstract
Geosynchronous (GEO) spaceborne-airborne bistatic synthetic aperture radar (GEO-BiSAR), where the high-altitude transmitter provides continuous illumination for the receiver, is capable of providing benefits to remote sensing applications. However, obtaining a focused image with high efficiency is a challenging work. The severe 2-D space-variant range cell migration and Doppler modulation introduc...
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Key words
Azimuth,Synthetic aperture radar,Receivers,Doppler effect,Transfer functions,Focusing
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