A Single-Channel Microstrip Electronic Tracking Antenna Array With Time Sequence Phase Weighting on Sub-Array

被引：25
|
作者：
Wang, H. [1 ]
Fang, D. -G. [1 ]
Li, M. [1 ]
机构：
[1] NJUST, Millimeter Wave Tech Lab, Nanjing 210094, Peoples R China
来源：
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES | 2010年 / 58卷 / 02期
关键词：
Electronic tracking; microstrip monopulse antenna; single channel; time sequence phase weighting (TSPW); Walsh-Hadamard transform; LOW-COST; MONOPULSE;
D O I：
10.1109/TMTT.2009.2037854
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：
We have designed and tested a novel electronic tracking antenna array that is formed by 2 2 microstrip sub-arrays. Through time sequence phase weighting on each sub-array, the amplitude and phase on each sub-array can be recovered from the output of the resultant single channel. The amplitude and phase on each array can be used to produce the sum and difference radiation pattern by digital signal processing. In comparison with the monopulse system, the RF comparator is eliminated and the number of the receiver channels is reduced from 3 to 1. A proof-of-concept prototype was fabricated and tested. The measured results confirmed the validity and advantages of the proposed scheme. The procedure of channel correction is given.
引用
收藏
页码：253 / 258
页数：6
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