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2003 year, number 4

Variational methods for estimating the multipath field parameters

Pages: 49–59


The problem of spatial localization of the coherent signal source energy is investigated within the scope of the quadratic and nonquadratic regularization theory on the basis of l2-norms in the conditions of minimal a priori information on the form, frequency-time regions of broadband signal existence, and statistical characteristics of disturbances. A numerical experiment using an antenna array of a nonlinear spatial configuration proved the efficiency of the proposed algorithms for digital reconstruction of the angular energy distribution in the conditions of multipath propagation.