The purpose of the paper is to estimate the Azimuth Antenna Pattern by using Persistent Point Scatterers (PPS) selected in a stack of interferometric Synthetic Aperture Radar images. Wide angle antenna pattern is estimated from targets spectra by means of a Maximum Likelihood formulation. PPS are considered a restricted subset of the Persistent Scatterers, for which the point-shape feature is further required. A model for PPS is provided and experimentally validated; antenna estimation results are presented for both simulated and real X-band Cosmo Skymed data.

«Experimental assessment of the PS-cal technique over COSMO-SKYMED high resolution SAR data

MONTI-GUARNIERI, ANDREA VIRGILIO;TEBALDINI, STEFANO;GIUDICI, DAVIDE;D'ARIA, DAVIDE;
2012

Abstract

The purpose of the paper is to estimate the Azimuth Antenna Pattern by using Persistent Point Scatterers (PPS) selected in a stack of interferometric Synthetic Aperture Radar images. Wide angle antenna pattern is estimated from targets spectra by means of a Maximum Likelihood formulation. PPS are considered a restricted subset of the Persistent Scatterers, for which the point-shape feature is further required. A model for PPS is provided and experimentally validated; antenna estimation results are presented for both simulated and real X-band Cosmo Skymed data.
9781467311588
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11311/682399
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