封閉介質(zhì)波導(dǎo)分析多模網(wǎng)絡(luò)方法
ANALYSIS OF CLOSED DIELECTRIC WAVEGUIDEMULTIMODE NETWORK APPROACH
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摘要: 本文將多模網(wǎng)絡(luò)理論的積木式分析方法和嚴(yán)格的場(chǎng)匹配技術(shù)相結(jié)合,對(duì)一大類封閉介質(zhì)波導(dǎo)的色散特性進(jìn)行了研究。用所述方法給出了若干波導(dǎo)結(jié)構(gòu)的數(shù)值例子,為了比較,也用有限元法和EDC法對(duì)同一結(jié)構(gòu)進(jìn)行了計(jì)算。結(jié)果表明,本文方法具有與有限元方法同樣的精度,又能保持EDC方法的簡(jiǎn)便特性,從而證實(shí)了所述方法的效能。Abstract: The dispersion characteristics of a class of closed dielectric waveguide areinvestigated by the method which combines the building-block approach of multimode network theory with rigorous mode matching procedure. Several numerical examples for different guiding structures have been given by the approach. The same structures are also analyzed with the finite element method and the EDC method for comparison. The calculations show that the present approach yields as highly accurate results as the finite element method while almost retaining the simplicity of the EDC method, and justify the utility of the present method.
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