Radiated Emission Estimation of a Metallic Enclosure Model Source by Inverse-Forward Analysis

概要

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For estimating the radiated emission from a metallic enclosure, the authors have developed a numerical computational method which applied inverse analysis. A metallic enclosure containing a loop antenna was set up to be a model source for the numerical analysis. Magnetic fields around the enclosure were measured by measurement systems fabricated in the authors' laboratory. Using the measured magnetic fields, current distributions on the enclosure surface were determined by means of an inverse analysis utilizing the least squares method. From this surface current distribution, the electromagnetic field distributions were estimated by forward analysis on a cylindrical surface 3.0 m in radius. The amount of the error in the estimated fields distribution was also discussed.
社団法人電子情報通信学会の論文
1995-02-25