Use of isorefractive media to improve prompt aperture efficiency in a lens IRA

被引：17
|
作者：
Tyo, JS [1 ]
Buchenauer, CJ [1 ]
Schoenberg, JSH [1 ]
机构：
[1] USAF, Res Lab, DEHP, Wideband Sources Grp, Kirtland AFB, NM 87117 USA
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 1998年 / 46卷 / 07期
关键词：
horn antennas; pulse-excited antennas;
D O I：
10.1109/8.704816
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 concept of prompt aperture efficiency is introduced for impulse radiating antennas (IRA's) and the efficiency is analyzed in detail for a specific class of lens IRA's. BS using two isorefractive media, one with a low impedance within the aperture of the IRA and one with a high impedance outside the aperture, the power on the TEM transmission linefeed structure of the IRA can be concentrated within the aperture, thereby improving the prompt aperture efficiency beyond what is possible using a single medium.
引用
收藏
页码：1114 / 1115
页数：2
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