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Detection and imaging of moving objects with synthetic aperture radar. 2. Joint time-frequency analysis by Wigner-Ville distribution

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2 Author(s)
S. Barbarossa ; INFOCOM Dept., Roma Univ., Italy ; A. Farina

For pt.1 see ibid., vol.139, no.1, p.79-88 (1992). The authors show how time-frequency representation by Wigner-Ville distribution of the echoes received by a synthetic aperture radar provides a useful tool for detection of moving objects and the estimation of the instantaneous phase shift induced by relative radar-object motion. The phase history is then used to compensate the received signal and to form a synthetic aperture with respect to the moving object, necessary to produce a high resolution image

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IEE Proceedings F - Radar and Signal Processing  (Volume:139 ,  Issue: 1 )