波導(dǎo)結(jié)和波導(dǎo)-喇叭輻射器有限元分析導(dǎo)波數(shù)值邊界條件及其應(yīng)用
WAVEGUIDE JUNCTION AND GUIDE-HORN RADIATOR ANALYSIS-GUIDED-WAVE NUMERICAL BOUNDARY CONDITIONS AND THEIR APPLICATIONS
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摘要: 作為開(kāi)域電磁場(chǎng)問(wèn)題偏微分方程解法的一個(gè)重要方面,本文提出導(dǎo)波致值邊界條件的概念和算法。本文著重討論二維的具有平面導(dǎo)體邊界的導(dǎo)波系統(tǒng)的散射和輻射問(wèn)題,并以此表明基于數(shù)值邊界條件的偏微分方程的數(shù)值解法,將為波導(dǎo)-喇叭輻射器的準(zhǔn)確分析開(kāi)辟了新的理論途徑。Abstract: As an important aspect of partial differential equation solutions of open-region electromagnetic field problems, the concept and algorithm of guided-wave global numerical boundary conditions are presented. Emphasis is placed on the two-dimensional guided-wave scattering and radiation analysis in the waveguides with plate-conducting boundaries. This analysis method can be readily expanded to cover many other guided-wave systems, leading to a new theoretical approach to the guide-horn like radiator analysis.
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Desen Fan, Two-Dimensional Scattering Analysis by Global Numerical Boundary Condition Based PDE Techniques, 3rd International Symposium on Recent Advances in Microwave Technology, Nevada, USA, Aug. 1991.[2]樊德森,二維多體散射系統(tǒng)分析,電子科學(xué)學(xué)刊, 14(1992)3,252-258.[3]樊德森,多端口矩形波導(dǎo)E面波導(dǎo)結(jié)數(shù)值分析,電子學(xué)報(bào),19(1991)4,71-78.[4]R. W. Charstein, IEEE Trans, on AP, 61P-37(1989)11, 1415-1426.[5]K. Hongo, Radio, Science, 7(1972)10, 955-963. -
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