Synthesis of compromise sum-difference arrays through time-modulation

被引：43
作者：
Rocca, P. [1 ]
Manica, L. [1 ]
Poli, L. [1 ]
Massa, A. [1 ]
机构：
[1] Univ Trento, Dept Comp Sci & Informat Engn, I-38050 Trento, Italy
来源：
IET RADAR SONAR AND NAVIGATION | 2009年 / 3卷 / 06期
关键词：
INDEPENDENTLY OPTIMUM SUM; MONOPULSE ANTENNAS; LINEAR ARRAYS; NBAR-DISTRIBUTION; PATTERNS; OPTIMIZATION; EXCITATIONS; ALGORITHM; STRATEGY; SUBJECT;
D O I：
10.1049/iet-rsn.2009.0058
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：
In this study, time-modulation is exploited for the synthesis of monopulse sub-arrayed antennas. The solution of the compromise sum-difference problem is obtained by setting the set of static excitations to an optimal sum set and synthesising the 'best compromise' difference pattern through a contiguous partition method based approach. The array elements are aggregated into sub-arrays controlled by means of radio frequency (RF) switches with optimised 'on' time-durations. The switch-on instants of the pulse sequences are then computed by means of a particle swarm optimiser to reduce the interferences caused by the sideband radiations. A selected set of numerical results is reported to assess the potentialities of time-modulation in dealing with the synthesis problem at hand.
引用
收藏
页码：630 / 637
页数：8
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