导电平面中矩形通道的tm散射

IEEE Antennas and Propagation Society International Symposium 1992 Digest Pub Date : 1992-06-18 DOI:10.1109/APS.1992.221914

H. J. Eom, T. J. Park, K. Yoshitomi, T. Choi

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引用次数: 1

摘要

研究了刻蚀在完美导电平面上的矩形沟道的横磁平面波散射。利用傅里叶变换技术，用平行板波导模式来表示光谱域的散射场。给出了一个近似的级数解，该解适用于高频散射区。得到了准静态和低频散射的近似解。利用定相近似得到了远区散射场，并从散射角、频率和信道尺寸等方面研究了远区散射场的散射特性。

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TM-scattering from a rectangular channel in a conducting plane

Transverse magnetic (TM) plane-wave scattering from a rectangular channel engraved in a perfectly conducting plane is investigated. A Fourier-transform technique is employed to express the scattered field in the spectral domain in terms of parallel-plate waveguide modes. An approximate series solution for scattering is presented in a closed-form which is valid for the high-frequency scattering regime. Approximate solutions which are valid for the quasi-static and low-frequency scattering regimes are also obtained. Using the stationary phase approximation, the far-zone scattered field is obtained and its scattering behavior is studied in terms of the scattering angle, frequency, and channel size.<>

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IEEE Antennas and Propagation Society International Symposium 1992 Digest

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