Numerical techniques for VHF/UHF cylinder radiators

IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010) Pub Date : 1999-07-11 DOI:10.1109/APS.1999.789249

C. Repesh

引用次数: 0

Abstract

The frequency response of a dipole with asymmetric radii fed in the sleeve via a coaxial aperture is computed. A numerical electromagnetics code (NEC4.1) wire grid model is compared with a body of revolution finite difference time domain (2.5FDTD) solid model after Fourier transformation. Directive gain patterns and source impedance show an effective approach to designing a broad range of omnidirectional TM/sub Z/ antennas for VHF/UHF spectrum.

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VHF/UHF圆柱形散热器的数值技术

计算了半径不对称的偶极子经同轴孔送入套筒的频率响应。将数值电磁学代码(NEC4.1)线网格模型与经过傅里叶变换的旋转体时域有限差分(2.5FDTD)实体模型进行了比较。方向性增益模式和源阻抗显示了设计VHF/UHF频谱宽范围全向TM/sub - Z/天线的有效方法。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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IEEE Antennas and Propagation Society International Symposium. 1999 Digest. Held in conjunction with: USNC/URSI National Radio Science Meeting (Cat. No.99CH37010)

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