Gain and aperture efficiency for a reflector antenna with an array feed

被引：24

作者：

Warnick, Karl F. ^{[1
]}

Jeffs, Brian D. ^{[1
]}

机构：

[1] Brigham Young Univ, Dept Elect & Comp Engn, Provo, UT 84602 USA

来源：

IEEE ANTENNAS AND WIRELESS PROPAGATION LETTERS | 2006年 / 5卷

基金：

美国国家科学基金会;

关键词：

active arrays; antenna array feeds; aperture efficiency; array gain; gain;

D O I：

10.1109/LAWP.2006.886308

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 figure of merit for array antennas can be defined using the signal processing concept of signal-to-noise ratio (SNR) gain. The resulting array efficiency metric reduces to aperture efficiency for an isolated array and to a combination of aperture and spillover efficiency for an array feed. These results provide a practical way to measure aperture efficiency for active arrays and array feeds.

引用

页码：499 / 502

页数：4

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