Estimation of Horizontally Polarized Radiated Emission Sources Based on CISPR Measurement System(Special Issue on Recent Progress in Electromagnetic Compatibility Technology)

概要

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Relating to the radiated emission sources finding method based on CISPR emission measurement system, which uses only amplitude data without phase data, the applicability to horizontally polarized sources was studied.We experimentally verified by using two spherical dipole antennas as ideal emission sources in the frequency range from 300 MHz to 1GHz.As the results, the position estimation deviation Δd was less than 0.09m, the amplitude estimation deviation Δj was less than 1.5dB, in which position estimation accuracy was raised so much compared with that for vertically polarized sources, and additionally the angle of its horizontal current direction could be estimated.Furthermore, it was revealed that this method can be also applied even when several sources exist, consequently the applicability of this method has been greatly expanded.
社団法人電子情報通信学会の論文
2000-03-25