解不連續(xù)介質(zhì)結(jié)構(gòu)問(wèn)題的積分方程法
THE INTEGRAL EQUATION METHOD FOR SOLVING PROBLEMS OF DISCONTINUOUS DIELECTRIC STRUCTURE
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摘要: 本文討論了用積分方程法處理不連續(xù)介質(zhì)結(jié)構(gòu)問(wèn)題。先從模式匹配法出發(fā),通過(guò)一些變換和推導(dǎo),得到了相應(yīng)的散射積分方程和傳輸積分方程。給出了傳輸積分方程存在解的充要條件。這個(gè)條件實(shí)際上就是這種介質(zhì)結(jié)構(gòu)的色散方程。作為例子,導(dǎo)出了一階不連續(xù)介質(zhì)結(jié)構(gòu)的簡(jiǎn)潔解。
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關(guān)鍵詞:
- 介質(zhì)波導(dǎo); 積分方程法; 模式匹配法
Abstract: From the mode-matching method, by doing some transforms and derivations, the scattering and propagation integral equations for solving the problems of discontinuous dielectric structure are obtained. The necessary and sufficient condition for the existence of solution of propagating equations is given. It is really the dispersion equation of the dielectric structure. As an example, a succinct solution of one-step discontinuous dielectric structure is derived. -
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