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- W2108008050 abstract "We consider passive airborne receivers that use backscattered signals from sources of opportunity transmitting fixed-frequency waveforms, which we refer to as Doppler Synthetic Aperture Hitchhiker (DSAH). We present a novel image formation method for DSAH. Our method first correlates the windowed signal obtained from one receiver with the windowed, filtered, scaled and translated version of the received signal from another receiver, and then uses the microlocal analysis to reconstruct the scene radiance by the weighted-backprojection of the correlated signal. This imaging algorithm can put the visible edges of the scene radiance at the correct location, and under appropriate conditions, with correct strength. We show that the resolution of the image is directly related to the length of the support of the windowing function and the frequency of the transmitted waveform. We present numerical experiments to demonstrate the performance of the proposed method." @default.
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- W2108008050 date "2010-04-23" @default.
- W2108008050 modified "2023-09-23" @default.
- W2108008050 title "Doppler synthetic aperture hitchhiker imaging" @default.
- W2108008050 doi "https://doi.org/10.1117/12.850023" @default.
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