CHARACTERISTICS OF THE WIRE BICONICAL ANTENNA USED FOR EMC MEASUREMENTS

被引：15

作者：

AUSTIN, BA

FOURIE, APC

机构：

[1] Department of Electrical Engineering and Electronics, University of Liverpool

[2] Department of Electrical Engineering, University of the Witwatersrand, Johannesburg

来源：

IEEE TRANSACTIONS ON ELECTROMAGNETIC COMPATIBILITY | 1991年 / 33卷 / 03期

关键词：

D O I：

10.1109/15.85131

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The characteristics of a wire biconical antenna that determine its antenna factor were computed by using the method of moments code NEC-2. In the absence of much published data on this type of antenna, a fairly extensive validation exercise was conducted from which a suitable computer model was derived. The input impedance, gain, and radiation patterns of the antenna were computed for the special cases where the biconical is used above a conducting ground plane for open-field EMC testing. The effects of height above the ground plane and polarization of the antenna on these parameters were found and the antenna factor corrected for them. The current distribution along the antenna elements was also examined, and it was found that significant pattern distortion can occur at some frequencies when a horizontal wire biconical antenna is used close to the ground. These results will allow this broadband antenna to be used with confidence in applications where previously only resonant dipoles were specified.

引用

页码：179 / 187

页数：9

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