有损耗介质材料涂层的轴向槽椭圆天线的辐射

2003 IEEE International Symposium on Electromagnetic Compatibility, 2003. EMC '03. Pub Date : 2003-05-16 DOI:10.1109/ICSMC2.2003.1428216

M. Hussein, A. Hamid

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引用次数: 4

摘要

研究了有耗介质材料包覆轴向开槽椭圆天线的辐射特性。通过Mathieu函数将天线结构(自由空间)外部和有耗介质涂层内部的场表示为椭圆波，然后利用边界条件求解未知的膨胀系数。以图形形式给出了横磁(TM)情况下的数值结果，以说明辐射方向图、孔径电导和增益随涂层厚度的变化

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Radiation by axial slot elliptical antenna coated by a lossy dielectric material

The radiation properties of axially slotted elliptical antenna coated by a lossy dielectric material are investigated. The analysis is carried out by expressing the fields outside the antenna structure (free space) and inside the lossy dielectric coating in terms of elliptic waves via Mathieu functions, then boundary conditions are employed to solve for the unknown expansion coefficients. Numerical results are presented in graphical form for the transverse magnetic (TM) case to illustrate the radiation pattern, the aperture conductance, and the gain against the coating thickness

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来源期刊

2003 IEEE International Symposium on Electromagnetic Compatibility, 2003. EMC '03.

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