Variational analysis of dispersion characteristics in disk - loaded waveguide slow - wave structures 盘荷波导慢波结构色散特性的变分分析
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Elliptical waveguides have found wide applications in a variety of microwave components : waveguide filters , radiators , resonators , and wide - band transmission lines , etc . periodic - loaded waveguides play very important roles in high - power microwave tubes , corrugated antennas and linear accelerators 在各种微波器件如滤波器、辐射器、谐振器和宽带传输线中椭圆波导有着广泛的应用。周期加载波导在高功率微波管、波纹喇叭和线性加速器等中起着重要作用。
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On the basis of complet ' : ly analyses about dual - m ( ) de phase shiftcrs , the finite - element formulation derives the variational principle for non - se1fadjoint electromagnetic problems which is microwave propagaticn in a aniso1ropic media loaded waveguide . then , the variatonal problem is approximated by a matrix eigenvalue problem 在此基础上，详细讨论了利用有限元分析法这一强有力的工具来分析波导中填充各向异性介质的问题，导出了基于变分原理的泛函和有限元方程。
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