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The robust estimation of far-field radiation pattern from the near-field measurement data, which are distorted by additive noise and random impulses, is suggested. The proposed technique is based on the two-stage algorithm. The first stage is to determine the radiation sources from the data of near-field measurements by the “dual method of minimum spatial extent.” The second stage is to calculate...
Inverse problem of radiation-sources restoration from near-field measurement data is considered. Case of data distortion by additive noise and spikes is investigated. New approach based on a concept of “spatial extent” is suggested. It states that the weighted sum of spatial extent of solution discrepancy and spatial extent of solution should be a minimum. Thus, the concept of spatial extent is used...
Approach to robust estimation of radiation sources in an array of electric dipoles when measurement data are distorted by additive noise as well as by random impulses is suggested. It is based on a non-linear optimization technique where objective function is built by the idea of minimization of “spatial extent.” The model of radiation sources is described by a set of ideal Hertzian dipoles. The case,...
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