Synthesis of Shaped Beam Base Station Antenna Using Genetic Algorithm BU An-tao1,SHI Xiao-wei1,LIU Ying2,SHEN Zong-zhen3,XIAO Liang-yong 3

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Synthesis of Shaped Beam Base Station Antenna Using Genetic Algorithm BU An-tao¹,SHI Xiao-wei¹,LIU Ying²,SHEN Zong-zhen³,XIAO Liang-yong3

更新时间：2025-07-16

- Synthesis of Shaped Beam Base Station Antenna Using Genetic Algorithm BU An-tao¹,SHI Xiao-wei¹,LIU Ying²,SHEN Zong-zhen³,XIAO Liang-yong3
- Acta Electronica Sinica Vol. 31, Issue 9, Pages: 1310-1312(2003)
- 作者机构：
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  CLC： TN0451
- Published：2003
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Synthesis of Shaped Beam Base Station Antenna Using Genetic Algorithm BU An-tao¹,SHI Xiao-wei¹,LIU Ying²,SHEN Zong-zhen³,XIAO Liang-yong3[J]. Acta Electronica Sinica, 2003, 31(9): 1310-1312.
DOI：

Synthesis of Shaped Beam Base Station Antenna Using Genetic Algorithm BU An-tao¹,SHI Xiao-wei¹,LIU Ying²,SHEN Zong-zhen³,XIAO Liang-yong3[J]. Acta Electronica Sinica, 2003, 31(9): 1310-1312. DOI：

摘要

本文利用遗传算法对不等间距阵列天线进行优化

实现了一种赋形波束基站天线。天线模型用矩量法分析

并采用遗传算法综合天线方向图.在优化过程中通过合适的目标函数

保证了天线较好的频段特性

并压制干扰区副瓣、填充服务区零值、控制后瓣。优化后天线在整个工作频段上实际性能为:上副瓣小于－18.32dB

填充零点大于－14.71dB

前后比小于－26dB.与以前的方法相比

本文的结果更接近实际情况

并且该方法可应用于较复杂的天线.本文中的结果对工程和理论研究都有重要意义.

Abstract

A shaped beam base station antenna is realized with the unequal spacing array using an optimization technique based on genetic algorithms.Antenna model have been evaluated by using the Method of Moment (MoM).During the antenna optimization process

an appropriate fitness function is used to suppress the sidelobe in interference zone

fill the null points in service zone and control the back lobe

to get satisfactory pattern shape in the whole frequency band.As a result of this optimization

a practical shaped beam antenna with suppressed sidelobe smaller than -18.32dB and backlobe -26dB

filled null point larger than -14.71dB was achieved.The proposed method is closer to reality compared with previous methods and can be used to optimize complicated antennas.The result is very useful for engineering and theoretic analysis.

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