Pattern recognition of the targets with help of polarization properties of the signal

Volodymyr I. Ponomaryov; Luis Nino de Rivera; Aldo Baez Castellanos; Anatoly V. Popov

doi:10.1117/12.364059

4 October 1999 Pattern recognition of the targets with help of polarization properties of the signal

Volodymyr I. Ponomaryov, Luis Nino de Rivera, Aldo Baez Castellanos, Anatoly V. Popov

Proceedings Volume 3809, Signal and Data Processing of Small Targets 1999; (1999) https://doi.org/10.1117/12.364059
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

We proposed to use the possibility of recognition of the targets on background of the scattering from the surface, weather objects with the help of polarimetric 3-cm radar. It has been investigated such polarization characteristics: the amplitudes of the polarization matrix elements; an anisotropy coefficient; depolarization coefficient; asymmetry coefficient; the energy section was less than 1 dB at ranges up to 15 km and less than 1.5 dB at ranges up to 100 km. During the experiments urban objects and 6 various ships of small displacement having the closest values of the backscattering cross-section were used. The analysis has shown: the factor of the polarization selection for anisotropy objects and weather objects had the values about 0.02-0.08 Isotropy had the values of polarimetric correlation factor for hydrometers about 0.7-0.8, for earth surface about 0.8-0.9, for sea surface - from 0.33 to 0.7. The results of the work of recognition algorithm of a class 'concrete objects', and 'metal objects' are submitted as example in the paper. The result of experiments have shown that the probability of correct recognition of the identified objects was in the limits from 0.93 to 0.97.

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Volodymyr I. Ponomaryov, Luis Nino de Rivera, Aldo Baez Castellanos, and Anatoly V. Popov "Pattern recognition of the targets with help of polarization properties of the signal", Proc. SPIE 3809, Signal and Data Processing of Small Targets 1999, (4 October 1999); https://doi.org/10.1117/12.364059

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KEYWORDS

Polarization

Polarimetry

Scattering

Target recognition

Anisotropy

Radar

Backscatter

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