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Volume 28 Issue 11
Sep.  2010
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Liu Zi-liang, Zhang Yu, Liang Chang-hong. A Hybrid MoM-UTD Method for Analyzing Isolation between Antennas on Airborne Platform[J]. Journal of Electronics & Information Technology, 2006, 28(11): 2167-2170.
Citation: Liu Zi-liang, Zhang Yu, Liang Chang-hong. A Hybrid MoM-UTD Method for Analyzing Isolation between Antennas on Airborne Platform[J]. Journal of Electronics & Information Technology, 2006, 28(11): 2167-2170.

A Hybrid MoM-UTD Method for Analyzing Isolation between Antennas on Airborne Platform

  • Received Date: 2005-11-28
  • Rev Recd Date: 2006-05-17
  • Publish Date: 2006-11-19
  • Isolation between antennas is an important index for electromagnetic compatibility (EMC) on airborne platform. Airborne platform is an electrically large object and it is difficult to analyze the isolation between antennas mounted on it only by using the Method of Moment (MoM). The Uniform geometrical Theory of Diffraction (UTD) is a kind of high frequency method and can analyze electrically large objects, however, it has poor accuracy. The hybrid MoM-UTD method is employed to analyze the isolation between antennas on airborne platform. Both accuracy and computing speed are concerned, and the numerical results agree well with the measurements.
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  • Liang Changhong, Liu Ziliang, Zhang Yu. New theory of isolation between antennas. IEEE 2005 International Symposium on Microwave, Antenna, Propagation and EMC Technologies for Wireless Communications Proceedings, Beijing, 2005: 585-589.[2]Harrington R F. Field computation by moment methods. Indiana: Macmillan, 1968: 73-96.[3]Pathak P H, Wang M N. Ray analysis of mutual coupling between antennas on a convex surface. IEEE Trans. on AP, 1981, 29(6): 911-922.[4]Thiele G A, Newhouse T H. A hybrid technique for combining moment methods with the geometrical theory of diffraction. IEEE Trans. on AP, 1975, 23(1): 62-69.[5]Burnside W D, Yu C L, Marhefka R J. A technique to combine the geometrical theory of diffraction and the moment method. IEEE Trans. on AP, 1975, 30(6): 551-558.[6]Keller J B. Geometrical theory of diffraction[J].J. Opt. Soc. Amer.1962, 52(2):116-130[7]Pathak P H, Burnside W D, Marhefka R J. A uniform GTD analysis of the diffraction of electromagnetic waves by a smooth convex surface. IEEE Trans. on AP, 1980, 28(5): 631-642.[8]项铁铭. 机载平台天线电磁兼容性研究. [博士论文]. 西安电子科技大学, 2004.[9]刘子梁. 复杂电大物体上天线的隔离度研究. [硕士论文]. 西安电子科技大学, 2005.[10]梁昌洪. 计算微波. 西安: 西安电子科技大学出版社. 1985: 94-99.
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