采用隐式空间映射算法的阵列方向图综合

doi:10.3969/j.issn.1001-2400.2012.02.026

J4 ›› 2012, Vol. 39 ›› Issue (2): 159-163+199.doi: 10.3969/j.issn.1001-2400.2012.02.026

采用隐式空间映射算法的阵列方向图综合

王文涛;王夫蔚;龚书喜;王兴

(西安电子科技大学天线与微波技术重点实验室，陕西西安 710071)

收稿日期:2010-12-15 出版日期:2012-04-20 发布日期:2012-05-21
通讯作者: 王文涛
作者简介:王文涛(1984-)，男，西安电子科技大学博士研究生，E-mail: wtwang@mail.xidian.edu.cn．
基金资助:
中央高校基本科研业务费资助项目(JY10000902009);国家自然科学基金资助项目(60801042)

Array antenna pattern synthesis based on the implicit space mapping algorithm

WANG Wentao;WANG Fuwei;GONG Shuxi;WANG Xing

(Science and Technology on Antenna and Microwave Lab., Xidian Univ., Xi'an 710071， China)

Received:2010-12-15 Online:2012-04-20 Published:2012-05-21
Contact: WANG Wentao

摘要/Abstract

摘要：

通过将隐式空间映射算法与矩量法结合来实现阵列天线的方向图综合，进而提高阵列参数的优化效率．在优化中，分别采用简单剖分和复杂剖分的矩量法模型作为隐式空间映射的粗糙模型和精细模型．同时，选择馈电幅相作为辅助优化变量，并通过差分进化算法完成参数抽取过程以找出合适的中间变量，实现粗糙模型对精细模型的逼近．分别给出了优化馈电幅值、相位、单元间距的算例，表明采用隐式空间映射算法能够有效地提高优化速度，完成方向图综合．

关键词: 隐式空间映射, 矩量法, 差分进化, 方向图综合

Abstract:

The implicit space mapping(ISM) algorithm and the method of moments(MoM) are combined to achieve the array pattern synthesis and improve the optimization efficiency. In the process of optimization, the MoM models with simple and complex mesh subdivision are used as the ISM coarse model and fine model, respectively. The feed amplitude or phase is selected as the auxiliary parameter and the differential evolution(DE) algorithm is used in the process of parameter extraction to achieve the approximation from coarse model to fine model. Finally, three optimization examples for amplitude, phase, and element spacing are presented. The results show that the implicit space mapping algorithm can effectively improve the optimization speed and complete the pattern synthesis.

Key words: implicit space mapping, method of moments, differential evolution, pattern synthesis

中图分类号:

O441.4

王文涛;王夫蔚;龚书喜;王兴. 采用隐式空间映射算法的阵列方向图综合[J]. J4, 2012, 39(2): 159-163+199.

WANG Wentao;WANG Fuwei;GONG Shuxi;WANG Xing. Array antenna pattern synthesis based on the implicit space mapping algorithm[J]. J4, 2012, 39(2): 159-163+199.

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采用隐式空间映射算法的阵列方向图综合

Array antenna pattern synthesis based on the implicit space mapping algorithm

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