Wideband antenna patterns and impulse response of broadband RF phased arrays with RF and photonic beamforming

被引：21
|
作者：
Rotman, Ruth [1 ]
Barzilay, Sharon
Rotman, Stanley R.
Tur, Moshe
机构：
[1] Tel Aviv Univ, Sch Elect Engn, IL-69978 Tel Aviv, Israel
[2] Ben Gurion Univ Negev, Dept Elect Engn, IL-84105 Beer Sheva, Israel
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2007年 / 55卷 / 01期
关键词：
antenna arrays; photonic beamforming; wideband beamforming networks; wideband phased array; wideband radar requirements;
D O I：
10.1109/TAP.2006.888441
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 general expression for a monochromatic antenna pattern is extended to a two dimensional function with dependence on both space and time. Expressions for the wideband antenna pattern in space and the impulse response in time are developed. The effects of random errors in the spatial domain and errors common to all elements with fluctuations in the frequency domain are analyzed. Examples are given, including RF beamformers and elements in finite arrays, but with an emphasis on a photonic beamformer, which shows improved performance relative to its RF counterparts in both the spatial and time domains.
引用
收藏
页码：36 / 44
页数：9
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