2ND-MODE OPERATION OF AN ARCHIMEDEAN SPIRAL ANTENNA BACKED BY A CONDUCTING PLANE REFLECTOR

被引：7
|
作者：
YAMAUCHI, J
HAYAKAWA, K
NAKANO, H
机构：
[1] College of Engineering, Hosei University, Koganei
来源：
ELECTROMAGNETICS | 1994年 / 14卷 / 3-4期
关键词：
D O I：
10.1080/02726349408908389
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：
A two-arm Archimedean spiral antenna operating in the second mode is investigated numerically and experimentally. The effects of the presence of the infinite plane conducting reflector on the radiation characteristics are studied using an integral equation technique. A traveling-wave type current is realized due to the mutual coupling between the real and image spirals, provided the antenna height is appropriately chosen, in spite of the fact that in the absence of the reflector a standing wave is appreciable in the current distribution. The operating bandwidth of the spiral antenna is discussed in detail. Experimental results are also presented to verify the numerical results.
引用
收藏
页码：319 / 327
页数：9
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