Effect of Mutual Coupling on the Performance of Adaptive Arrays
Effect of Mutual Coupling on the Performance of Adaptive Arrays
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DOI：
10.1109/siu.2006.1659747
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发表时间：
2006-04
期刊：
影响因子：
--
通讯作者：
S. Deger;B. Saka
中科院分区：
文献类型：
--
作者：
S. Deger;B. Saka
在这项研究中，性能的阵列信号处理算法，用于减轻雷达和通信系统中的干扰进行了分析，而关于天线单元的电磁特性。在真实的应用中，阵列天线的电磁特性对算法的性能有着非常重要的影响，有时甚至会导致算法的完全失败。文中特别介绍了互耦的影响。分析了Schelkunoff阵列综合法、最小二乘（LS）法和最小均方（LMS）算法在偶极子阵元自适应阵列干扰抑制中的性能。在不同的情况下，可以观察到波束形成深度、调零带宽、信干噪比以及阵列方向图基本特性的变化
In this study, performance of the array signal processing algorithms which are used for interference mitigation in radar and communication systems is analyzed while regarding the electromagnetic properties of the antenna elements. In real world applications electromagnetic characteristics of the antenna array have very significant effect on the performance of the algorithms and sometimes may cause a complete fail of the process. In the paper, particularly, effects of the mutual coupling are presented. Performances of the Schelkunoff array synthesis method, least-squares (LS) method and the least mean square (LMS) algorithms for interference suppression in adaptive array with dipole elements are analyzed. Null depth, nulling bandwidth, signal to interference plus noise ratio (SINR) and the changes in the fundamental properties of the array pattern are observed for different scenarios