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Volume 27 Issue 12
Dec.  2005
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Tian Fang, Gong Zhong-lin. Simulating the Common Mode Electromagnetic Leakage of Differential Mode Cables by a Hybrid Method[J]. Journal of Electronics & Information Technology, 2005, 27(12): 2000-2004.
Citation: Tian Fang, Gong Zhong-lin. Simulating the Common Mode Electromagnetic Leakage of Differential Mode Cables by a Hybrid Method[J]. Journal of Electronics & Information Technology, 2005, 27(12): 2000-2004.

Simulating the Common Mode Electromagnetic Leakage of Differential Mode Cables by a Hybrid Method

  • Received Date: 2004-06-15
  • Rev Recd Date: 2004-10-28
  • Publish Date: 2005-12-19
  • A hybrid method by combining the methods of circuit and subcell FDTD is proposed. The coupling mechanism of the differential mode to common mode caused by a coax cable with a narrow gap around the circumference and by a symmetrical pair wire cable with insert of unbalanced electronic elements is analyzed. The frequency domain energy and the time domain waveform of the common mode electromagnetic leakage related to the above two instances are simulated by the proposed hybrid method.
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  • Wait J R. On the electromagnetic field of a dielectric coated coaxial cable with an interrupted shield[J].IEEE Trans. on Antennas Propagat.1975, 23(4):470-479[2]Knop C M. On the leakage radiation from a circumferentially slotted cylinder and its application to the EMI produced by TEM-co-axial rotary joints[J].IEEE Trans. on Electromagnetic Compatibility.1995, 37(4):583-589[3]Kaires R G. The correlation between common mode currents and radiated emissions. 2000, IEEE International Symposium on Electromagnetic Compatibility, Washington, D C USA, 2000: 141-146.[4]Hardin K B, Paul C R, Naishadham K. Direct prediction of common-mode currents. 1991, Symposium Record, IEEE 1991 International Symposium on Electromagnetic Compatibility, Cherry Hill, NJ , USA, 1991: 67-71.[5]Taflove A, Umashankar K R, Beker B, et al.. Detailed FDTD analysis of electromagnetic fields penetrating narrow slots and lapped joints in thick conducting screens[J].IEEE Trans. on Antennas Propagat.1988, 36(2):247-257[6]Tian Fang, Gong Zhong-lin. Accurate simulation of the currents on conducting thin-wire structures with subcell technique. 2003. Proceedings, 2003 6th International Symposium on Antennas, Propagation and EM Theory, Beijing, China, 2003: 715-719.[7]Chang D C. Equivalent-circuit representation and characteristics of a radiating cylinder driven through a circumferential slot[J].IEEE Trans. on Antennas Propagat.1973, 21(6):792-796[8]林昌禄. 近代天线设计. 北京: 人民邮电出版社, 1990, 第二章.[9]Luebbers R J, Kunz K S, Schneider M, et al.. A finite-difference time-domain near zone to far zone transformation[J].IEEE Trans. on Antennas Propagat.1991, 39(4):429-433
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