Vessel Refocusing and Velocity Estimation on SAR Imagery Using the Fractional Fourier Transform

This paper studies the effects of stationary-based processing of moving ship signatures in synthetic aperture radar (SAR) imagery and introduces a methodology to estimate and compensate for them. SAR imaging of moving targets usually results in residual chirps in the azimuthal SLC processed signal....

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Veröffentlicht in:	IEEE transactions on geoscience and remote sensing 2016-03, Vol.54 (3), p.1670-1684
Hauptverfasser:	Pelich, Ramona, Longepe, Nicolas, Mercier, Gregoire, Hajduch, Guillaume, Garello, Rene
Format:	Artikel
Sprache:	eng
Schlagworte:	Acceleration Azimuth Azimuth speed Chirp Doppler effect Estimation Fourier transforms fractional Fourier transform (FrFT) Marine vehicles moving vessel Radar imagery Radar signatures refocusing Ships Signal processing Synthetic aperture radar synthetic aperture radar (SAR)
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