用于多任务应用的圆柱形极化阵列天线方向图的表征和优化

IF 6.7 1区计算机科学 Q1 Physics and Astronomy

Progress in Electromagnetics Research-Pier Pub Date : 2017-01-01 DOI:10.2528/PIER16122804

H. Saeidi-Manesh, Guifu Zhang

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引用次数: 7

摘要

介绍了用于多功能相控阵雷达(MPAR)和终端相控阵雷达(TMPAR)的圆柱阵列天线的辐射特性。阵列元件采用探针馈电叠层微带贴片天线。在计算中，通过模拟5×5单元平面阵列得到了贴片天线的嵌入单元方向图。采用相干加法法计算了tmpara和mpar尺寸圆柱阵列天线的辐射方向图，并用全波仿真进行了验证。为了抑制交叉极化，阵元采用相同的2 × 2元子阵排列。计算和比较了MPAR和TMPAR圆柱阵列天线在有和没有成像配置时的辐射方向图。结果表明，采用图像排列的柱状阵列可以实现低交叉极化水平和光束的方位扫描不变特性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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CHARACTERIZATION AND OPTIMIZATION OF CYLINDRICAL POLARIMETRIC ARRAY ANTENNA PATTERNS FOR MULTI-MISSION APPLICATIONS

The radiation characteristics of a cylindrical array antenna for Multifunction Phased Array Radar (MPAR) and terminal MPAR (TMPAR) applications are presented. A probe-fed stacked microstrip patch antenna is used for array elements. In calculations, the embedded element pattern of the patch antenna is obtained by simulation of a 5×5 element planar array. The radiation pattern of the TMPARand MPAR-sized cylindrical array antenna is calculated using the coherent addition method which is verified with full-wave simulation. For cross-polarization suppression, the array elements are arranged with identical 2 × 2 element subarrays. The radiation patterns of MPAR and TMPAR cylindrical array antennas with and without image configuration are calculated and compared. It is shown that the low cross-polarization level and azimuthally scan invariant beam characteristics can be achieved by the cylindrical array with image arrangement.

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来源期刊

Progress in Electromagnetics Research-Pier 物理-电信学

CiteScore

7.20

自引率

3.00%

发文量

审稿时长

1.3 months

期刊介绍： Progress In Electromagnetics Research (PIER) publishes peer-reviewed original and comprehensive articles on all aspects of electromagnetic theory and applications. This is an open access, on-line journal PIER (E-ISSN 1559-8985). It has been first published as a monograph series on Electromagnetic Waves (ISSN 1070-4698) in 1989. It is freely available to all readers via the Internet.