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The closed solution and verification of the electromagnetic field of a vertical dipole over the sphere

Wang Hai-Long Wu Qun Meng Fan-Yi Wu Jian Li Le-Wei

The closed solution and verification of the electromagnetic field of a vertical dipole over the sphere

Wang Hai-Long, Wu Qun, Meng Fan-Yi, Wu Jian, Li Le-Wei
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  • Abstract views:  3836
  • PDF Downloads:  1302
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Publishing process
  • Received Date:  31 March 2006
  • Accepted Date:  24 April 2006
  • Published Online:  08 January 2007

The closed solution and verification of the electromagnetic field of a vertical dipole over the sphere

  • 1. (1)哈尔滨工业大学电子与信息技术研究院,哈尔滨 150001; (2)哈尔滨工业大学电子与信息技术研究院,哈尔滨 150001;电波环境特性及模化技术国家重点实验室,北京 102206; (3)哈尔滨工业大学电子与信息技术研究院,哈尔滨 150001;新加坡国立大学电气与计算机工程系,新加坡

Abstract: The closed solution of the electromagnetic filed of the vertical dipole over a perfect conducting sphere is introduced,the problem of discontinuity encountered in the series expression of the direct field is solved. Computation result is compared with the direct summation of the series form solutions of the electromagnetic filed over the sphere. Based on the same electromagnetic model, an approximate method is verified by the closed solution. If the vertical dipole and the observation point are near the surface of the sphere and the frequency is not too high, then the computation results of the two methods are guite the same. If the vertical dipole and the observation point are not near the surface of the sphere and the frequency is high, then the behavior of interference is gradually obtained by the closed solution but not by the approximate method.

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