Theoretical Analysis of the Electromagnetic Leakage Coming from Symmetric Transmission Line  with Insert of Unbalanced Loads

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Theoretical Analysis of the Electromagnetic Leakage Coming from Symmetric Transmission Line with Insert of Unbalanced Loads

TIAN Fang¹, GONG Zhonglin²

¹Division of Mathematics and Physics, Chinese People's Public Security University, Beijing, 100038,Corresponding Author,E-mail:tianfang@cppsu.edu.cn;²School of Electronics Engineering & Computer Science, Peking University, Beijing, 100871

Received:2006-03-28 Online:2007-05-20 Published:2007-05-20

链接不平衡负载的对称传输线电磁泄漏的理论分析

田方¹,龚中麟²

¹中国人民公安大学理科基础部,北京,100038,通讯作者,E-mail:tianfang@cppsu.edu.cn;²北京大学信息科学技术学院电子学系,北京,100871

Abstract

Abstract: This paper analyzed the electromagnetic leakage mechanisms of a symmetric transmission line and cable with insert of unbalanced loads. The electromagnetic leakage comes from the point, chaining the unbalanced loads. The electromagnetic leakages of the two cases above are simulated and compared by using a hybrid method which is formed by the combination of circuit, FEM and subcell, FDTD methods.

Key words: line, electromagnetic leakage, subcell, FDTD method, symmetric transmission

摘要： 对链接不平衡负载的一对平行对称传输线和平行对称传输电缆的电磁泄漏机制做了解释。电磁泄漏发生在所链接的不平衡负载处,把从该处向外界的耦合电路分别等效为偶极天线和折合天线。用电路方法、有限元方法和亚网格FDTD方法相结合的混合方法对这种电磁泄漏进行了模拟分析和比较。

关键词: 亚网格FDTD方法, 混合方法, 平行对称传输线, 电磁泄漏

CLC Number:

TIAN Fang,GONG Zhonglin. Theoretical Analysis of the Electromagnetic Leakage Coming from Symmetric Transmission Line with Insert of Unbalanced Loads[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

田方,龚中麟. 链接不平衡负载的对称传输线电磁泄漏的理论分析[J]. 北京大学学报（自然科学版）.

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Theoretical Analysis of the Electromagnetic Leakage Coming from Symmetric Transmission Line with Insert of Unbalanced Loads

链接不平衡负载的对称传输线电磁泄漏的理论分析

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