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首页> 外文期刊>IEEE Transactions on Microwave Theory and Techniques >A rigorous analysis of a cross waveguide to large circular waveguide junction and its application in waveguide filter design
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A rigorous analysis of a cross waveguide to large circular waveguide junction and its application in waveguide filter design

机译：交叉波导至大圆形波导结的严格分析及其在波导滤波器设计中的应用

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摘要

A rigorous analysis is obtained for the problem of scattering at the junction of a cross-shaped waveguide and a larger circular waveguide. The general case of an arbitrary offset and orientation of the cross waveguide axes is considered. The fields matching over the cross aperture of the smaller guide is facilitated by using the transformation of the circular cylindrical Bessel-Fourier modal fields of the circular guide into a finite series of exponential plane wave functions. This permits an analytical finite series solution for the elements of the fields mode matching matrix, from which the general scattering matrix of the junction is obtained. The application of the formulation to circular waveguide filter design is emphasized in the numerical examples. Excellent agreements between theoretical and experimental results are obtained in all the numerical examples.
机译：对于十字形波导和较大圆形波导的交点处的散射问题，进行了严格的分析。考虑了交叉波导轴的任意偏移和取向的一般情况。通过将圆形导管的圆柱Bessel-Fourier模态场转换为有限的指数平面波函数序列，可以简化在较小导管的交叉孔径上匹配的场。这允许对场模式匹配矩阵的元素进行解析有限级解，从中获得结的一般散射矩阵。数值示例中强调了该公式在圆形波导滤波器设计中的应用。在所有数值示例中，理论和实验结果之间都取得了极好的一致性。

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