任意多層介質(zhì)波導(dǎo)本征值問題的網(wǎng)絡(luò)分析
NETWORK ANALYSIS OF EIGENVALUE PROBLEMS FOR MULTILAYER DIELECTRIC WAVEGUIDE CONSISTING OF ARBITRARY NUMBER OF LAYERS
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摘要: 本文用微波網(wǎng)絡(luò)的方法求解了任意多層介質(zhì)波導(dǎo)的本征值問題;編制了一個分析N層介質(zhì)波導(dǎo)色散特性和電磁場分布,并具有計(jì)算機(jī)圖形功能的通用程序。通過對非對稱多層介質(zhì)波導(dǎo)場分布的實(shí)例分析,形象地說明了介質(zhì)分支波導(dǎo)中模式轉(zhuǎn)換和分裂的過程,并討論了模式轉(zhuǎn)換的一般規(guī)則。
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關(guān)鍵詞:
- 介質(zhì)波導(dǎo); 微波網(wǎng)絡(luò)分析法; CAA
Abstract: In this paper, the eigenvalue problems of multilayer dielectric waveguide consisting of arbitrary number of layers are solved by microwave network method. A general program with the function of computer graphics has been made for analyzing the dispersion characteristics and the electromagnetic field distribution of N layer dielectic waveguide. As an example of practical applications, the procedure of mode conversion and separation in delectric branching waveguide is vividly demostrated through analyzing the field distribution of asymmetric dielectic structure and the general rules of mode conversion are discussed. -
S. T. Peng and A. A. Oliner, IEEE Trans. on MTT, MTT-29(1981), 843.[2]S. T. Peng, S. J. Xu and F. K. Schwering, Scattering of Surface Wave by Non-uniform Dielectric Wave-guides, IEEE International Microwave Symposium, St, Louis, MO, U. S. A. June 1985, pp 627.[3]S. T. Xu, S. T. Peng and F. K. Schwering, Effest of Transition Waveguides on Dielectric Waveguide Directional Coupler, IEEE International Microwave Symposium, Baltimore, MO. U. S. A. June 1986. -
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