Processing of Measured Fields Using Advanced Inverse Method of Moments Algorithm

18 Oct 2011

A higher-order inverse method of moments algorithm, employing smooth current and geometry representations, as well as a very noise-robust solution algorithm, was presented at last year’s ESA workshop. The fundamental properties of the algorithm, including quantitative results for the RMS error of the reconstructed surface currents, were illustrated using synthetic data with added noise. In this paper we investigate the properties of an iterative variant of the algorithm and show practical results from applying the higher-order algorithm to measured fields obtained in a spherical near field range. The presented examples are chosen to illustrate both antenna diagnostics and filtering applications.

Publication: 33rd ESA Antenna Workshop on Challenges for Space Antenna Systems
Place: ESTEC, Noordwijk, The Netherlands, 18-21 October 2011

Erik Jørgensen / Peter Meincke / Oscar Borries / M. Sabbadini /
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