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首页> 外文期刊>IEEE Transactions on Microwave Theory and Techniques >Moment-method analysis of arbitrary 3-D metallic N-port waveguide structures
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Moment-method analysis of arbitrary 3-D metallic N-port waveguide structures

机译：任意3-D金属N端口波导结构的矩量法分析

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摘要

Moment-method analysis of arbitrarily shaped perfectly conducting ("metallic") waveguide structures with N waveguide ports is presented that is based on the free-space Green's function. Utilizing the Kirchhoff-Huygens principle, the problem is formulated in terms of the electric-field integral equation. The eigenvectors of the waveguide port sections and the Rao-Wilton-Glisson functions for triangular patches are used as basis functions for the magnetic and electric surface current densities, respectively. The accuracy of the method is verified by measurements or reference values. Its versatility is demonstrated at several design examples of practical interest, such as a lateral coax-fed waveguide, a twisted waveguide, and a waffle-iron filter with round teeth.
机译：基于自由空间格林函数，对具有N个波导端口的任意形状的完美导电（“金属”）波导结构进行了矩量法分析。利用基尔霍夫-惠更斯原理，该问题用电场积分方程表示。波导端口部分的特征向量和三角形贴片的Rao-Wilton-Glisson函数分别用作磁和电流表面电流密度的基础函数。该方法的准确性通过测量或参考值来验证。它的多功能性在几个实际感兴趣的设计示例中得到了证明，例如横向同轴馈电波导，扭曲波导和带圆齿的华夫铁滤波器。

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