Array Pattern Synthesis of Real Antennas Using the Infinite-Array Approach and Linear Programming

被引：8
|
作者：
Ignacio Echeveste, J. [1 ]
Gonzalez de Aza, Miguel A. [1 ]
Zapata, Juan [1 ]
机构：
[1] Univ Politecn Madrid, Dept Senales Sistemas & Radiocomunicac, ETSI Telecomunicac, Madrid 28040, Spain
来源：
IEEE TRANSACTIONS ON ANTENNAS AND PROPAGATION | 2015年 / 63卷 / 12期
关键词：
Active element pattern; finite array; finite-element method (FEM); infinite array; linear programming; mutual coupling; optimization methods; GENERALIZED-SCATTERING-MATRIX; FULL-WAVE ANALYSIS; FINITE ARRAYS; ELEMENT;
D O I：
10.1109/TAP.2015.2496106
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 work proposes an efficient optimization methodology of antenna array excitations accounting for the effects of mutual couplings and real radiating patterns of array elements with complex geometry. The method is formulated as a linear programming problem providing multibeam patterns with specified beamwidths, constraints on sidelobe and cross-polar levels, and null pointing directions. A matrix formulation is used to integrate the optimization procedure and a finite-array analysis based on the infinite-array approach, in which the periodic radiating element is characterized by a full-wave and hybrid procedure, combining the domain decomposition technique, the finite-element method, and modal analysis. Numerical examples of arrays of open-ended waveguides, microstrip antennas, and dielectric resonator antennas are presented.
引用
收藏
页码：5417 / 5424
页数：8
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