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Genetic algorithms for the determination of the nonlinearity model coefficients in passive intermodulation scattering

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3 Author(s)
S. Selleri ; Dipt. di Elettronica e Telecomunicazioni, Univ. degli Studi di Firenze, Florence, Italy ; P. Bolli ; G. Pelosi

Zones with nonlinear behavior on an object cause intermodulated components in the scattered electromagnetic field. This problem is relevant both for satellite communications and for radio-astronomical applications. Recently, a heuristic model for the passive intermodulation analysis has been derived in a time domain physical optics framework. The heuristic approach proposed requires the determination of few coefficients. Here, a genetic algorithm is introduced for the computation of the optimum values for these coefficients.

Published in:

IEEE Transactions on Electromagnetic Compatibility  (Volume:46 ,  Issue: 2 )