True Time Delay in Phased Arrays

被引：181
作者：
Rotman, Ruth [1 ]
Tur, Moshe [2 ]
Yaron, Lior [2 ]
机构：
[1] Elta Syst Inc, PO330, Ashdod, Israel
[2] Tel Aviv Univ, Sch Elect Engn, IL-6997801 Tel Aviv, Israel
来源：
PROCEEDINGS OF THE IEEE | 2016年 / 104卷 / 03期
关键词：
Phased arrays; photonic beamformers; true time delay (TTD); PHOTONIC BEAMFORMER; ROTMAN-LENS; ANTENNA; FIBER; PERFORMANCE; DESIGN; RECEIVER; NETWORK; PRISM; PASS;
D O I：
10.1109/JPROC.2016.2515122
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：
This paper reviews the topic of true time delay (TTD) and its importance and implications in wideband imaging phased arrays. The paper describes an early analog version of TTD using the "Rotman lens," discusses various architectures, and talks about photonic implementations. Also emphasized are the differences in design between narrow-band arrays which are calibrated at individual frequencies and wideband imaging arrays where TTD is necessary.
引用
收藏
页码：504 / 518
页数：15
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