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Volume 27 Issue 4
Apr.  2005
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Jin Long, Ruan Cheng-li . Explanation of Slowly Decreasing Wave in Frequency Domain[J]. Journal of Electronics & Information Technology, 2005, 27(4): 642-646.
Citation: Jin Long, Ruan Cheng-li . Explanation of Slowly Decreasing Wave in Frequency Domain[J]. Journal of Electronics & Information Technology, 2005, 27(4): 642-646.

Explanation of Slowly Decreasing Wave in Frequency Domain

  • Received Date: 2003-10-14
  • Rev Recd Date: 2004-07-16
  • Publish Date: 2005-04-19
  • The character of radiation of disk radiator is analyzed with transfer function in frequency domain. Near or far field and law of energy propagation are presented at axes of disk. Time domain electromagnetic waves are analyzed in detail by defining a energy radiation parameter. The nature is the same as sinusoidal electromagnetic wave. They can decrease much more slowly because the radiating capacity of high frequency is better than the low, then coincident understand can be reached between them.
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  • Brittingham J N. Focus wave modes in homogeneous Maxwells equations: Transverse electric mode[J].J. Appl. Phys.1983, 54(3):1179-[2]Wu Tai Tsun. Electromagnetic missiles[J].J. Appl. Phys.1985,57(7):2370-[3]文舸一,阮成礼,林为干.电磁导弹在弱损耗媒质中的传播规律.首届全国青年电磁科学大会论文集,成都,1992年5月:103-107.[4]阮成礼.有耗媒质中的瞬态电磁波的渐进解.电子学报,1993,21(6):65-71.[5]阮成礼.电磁导弹的严格解.电子学报,1993,21(9):99-102.[6]阮成礼.电磁导弹.北京:人民邮电出版社,1993:22-28.[7]Wen Geyi, Ruan Chengli, Lin Weigan. Backscattering of electromagnetic missile by a perfectly conducting elliptical cylinder[J].J. Appl. Phys.1991, 70(1):1-[8]Wen Geyi, Ruan Chengli, Lin Weigan. Backscattering of an electromagnetic missile by a perfectly conducting sphere[J].J.Appl.Phys.1991, 70(8):4053-[9]Myers J M, Wu T T. Backscattering of electromagnetic missiles[J].Proc. SPIE.1990, 1226:290-[10]Shen H M. Experimental study of electromagnetic missiles. Proc.SPIE, 1988, 873:338 - 346.[11]阮成礼,万长华,袁乃昌.电磁导弹的初步实验实验.电子科技大学学报,1992,21(2):92-97.[12]Stutzman W L, Gary A. Thiele. Antenna Theory and Design. 2nd Edition, Hoboken, John Wiley Sons 1997:291 - 293.
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