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2016-10-31
An Extended Wavenumber-Domain Algorithm Combined with Two-Step Motion Compensation for Bistatic Forward-Looking SAR
By
Progress In Electromagnetics Research Letters, Vol. 63, 85-92, 2016
Abstract
With appropriate geometry configurations, bistatic Synthetic Aperture Radar (SAR) can break through the limitations of monostatic SAR on forward-looking imaging. Thanks to such a capability, bistatic forward-looking SAR (BFSAR) has extensive potential applications. For the focusing problem of BFSAR, wavenumber-domain algorithm is accepted as the ideal solution. However, in practical application, the processing is limited because of its inability to combine the range-dependent motion compensation (MoCo). To cope with such a problem, an extended wavenumber-domain algorithm for BFSAR is derived in this paper. By modifying the reference function and mapping relationship in frequency interpolation, the extended wavenumber-domain algorithm of BFSAR integrates a two-step motion compensation. Simulation results verify the effectiveness of the proposed method.
Citation
Yuebo Zha, and Wei Pu, "An Extended Wavenumber-Domain Algorithm Combined with Two-Step Motion Compensation for Bistatic Forward-Looking SAR," Progress In Electromagnetics Research Letters, Vol. 63, 85-92, 2016.
doi:10.2528/PIERL16071304
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