Pattern nulling in coupled oscillator antenna arrays

被引：10
|
作者：
Georgiadis, Apostolos [1 ]
Collado, Ana
Suarez, Almudena
机构：
[1] Ctr Tecnol Telecommun Catalunya, Barcelona 08860, Spain
[2] Univ Cantabria, ETSIIT, Dept Commun Engn, E-39005 Santander, Spain
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2007年 / 55卷 / 05期
关键词：
convex optimization; coupled oscillator arrays; envelope transient; harmonic balance; pattern nulling;
D O I：
10.1109/TAP.2007.895631
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：
An optimization method is presented for constrained beam steering with null formation in linear coupled oscillator arrays. The method is based on a perturbation model of the far field of the array that includes both amplitude and phase perturbations, to accommodate prescribed nulls. Moreover, it takes into account the array nonlinear dynamics through a first-order approximation model of the array steady state. The optimization results are verified by harmonic balance simulations. Also, the stability of the optimized solutions is examined by perturbing the steady state solution and is verified with envelope transient. Design examples are used to demonstrate the validity and limitations of the proposed method.
引用
收藏
页码：1267 / 1274
页数：8
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