用算子理论求解和计算异形波导的截止频率

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Abstract The cutoff frequency of heteromophic waveguide in special structure is solved with the matching of electric and magnetic field on the invented boundary by vector partial differen-tial operator theory. The method rnay be used to solving the cutoff frequency of almost all of the modes precisely and expediently. The method rnay also be used to calculating the trausmit-ting characteristics of ridged waveguide and other heteromophic waveguide loaded rectaugular metal.

Key words： Vector partial differential operator Dyadic Green function Heteromophic waveguide Cutoff frequency

Received: 30 November 1999

PACS:

TN814

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	Xu Cheng
	Zhang Xiaojuan
	Song Wemmiao

Cite this article:

Xu Cheng,Zhang Xiaojuan,Song Wemmiao. Calculating the cutoff frequency of heteromophic waveguide by operator theory[J]. , 2002, 24(1): 90-96 .

URL:

http://jeit.ie.ac.cn/EN/ OR http://jeit.ie.ac.cn/EN/Y2002/V24/I1/90

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