用fft加速积分方程法快速表征矩形腔中多pcb杂化近场耦合效应

Kai Yang, C. Ning, W. Yin
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引用次数: 0

摘要

本文采用快速傅里叶变换(FFT)加速积分方程方法,分析了金属矩形腔内复杂传输线和印刷电路板(pcb)的频域电磁干扰问题。该方法可以广泛地研究腔内多根传输线和pcb的内部场分布和近场耦合/干扰,从而进一步优化EMC/EMI设计,有效地抑制复杂多根pcb和传输线的近场耦合效应。
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Fast characterization of hybrid near-field coupling effects of multi-PCBs in rectangular cavities with FFT-accelerated integral-equation method
This paper analyzes the frequency-domain EMC/EMI problems including complicated transmission lines and printed circuit boards (PCBs) that reside in metallic rectangular cavities, by using an efficient iterative Fast Fourier Transform (FFT)-accelerated integral-equation method. The internal field distribution and near-field coupling/interference of multiple transmission-lines and PCBs in cavities can be extensively investigated with this method, which further enables the optimization of EMC/EMI design to effectively suppress near-field coupling effects for complicated multi-PCBs and transmission lines.
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