汽车内部的电磁场分布

2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446) Pub Date : 2003-10-14 DOI:10.1109/ISEMC.2003.1236697

Y. Shiraki, K. Sugahara, S. Tanabe, K. Nakamoto, T. Watanabe

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引用次数: 5

摘要

从数值和实验两方面分析了汽车内部电子设备产生的电磁辐射现象。采用时域有限差分法(FDTD)和传输线技术(TL技术)的混合方法进行数值计算。该组合程序适用于解决有长电线连接到汽车电气控制装置的问题。将数值计算结果与一辆实车的实验结果进行了比较，结果表明两者吻合较好。最后，采用混合方法确定了控制单元噪声强度最小的调频天线位置。

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Electromagnetic field distribution inside an automobile vehicle

Electromagnetic radiation phenomena due to electronic equipment inside an automobile have been analyzed from both numerical and experimental viewpoints. The numerical procedure is carried out using a hybrid method of a finite difference time domain (FDTD) and a transmission line technique (TL technique). This combined procedure is suitable for solving an automobile with long wires connected to an electric control in it. Numerical results were compared with experimental measurements with a real automobile, showing in a good agreement between them. Finally an FM radio antenna position that minimizes noise intensity caused by electronic control units was determined by the hybrid method.

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2003 IEEE Symposium on Electromagnetic Compatibility. Symposium Record (Cat. No.03CH37446)

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