中型混响室的宽带力矩模拟与测量方法

P. Leuchtmann, C. Bruns, R. Vahldieck
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引用次数: 10

摘要

本文对一个中型混响室内的电磁场进行了三维全波模拟。在频域采用基于矩量的数值方法进行仿真。简要介绍了混响室的计算挑战,并详细概述了混响室的建模过程。室内的电场和磁场以及壁面、搅拌器和天线上的电流密度被计算和可视化。模拟了腔室的不同激励,并研究了旋转搅拌器位置或小几何细节等参数的影响。为了验证,在真实混响室内进行了广泛的测量,并与模拟结果进行了比较。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Broadband method of moment simulation and measurement of a medium-sized reverberation chamber
In this paper, we present three-dimensional full-wave simulations of the electromagnetic fields inside a medium-sized reverberation chamber. For the simulation, a method of moments based numerical approach was employed in the frequency domain. A short synopsis of the computational challenges particular for reverberation chambers is described and a detailed overview on the modeling procedure of the chamber is given. The electric and magnetic fields inside the chamber as well as the current density on the walls, the stirrer, and the antennas are computed and visualized. Different excitations of the chamber are simulated and parameters such as the rotational stirrer position or the influence of small geometric details are investigated. For the purpose of validation, extensive measurements inside a real reverberation chamber were taken and compared against the simulated results.
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