Directivity Optimization lor Yagi-Uda Arrays of Shaped Dipoles

Liang Chang-hong

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Directivity Optimization lor Yagi-Uda Arrays of Shaped Dipoles

更新时间：2025-12-08

- Directivity Optimization lor Yagi-Uda Arrays of Shaped Dipoles
- Acta Electronica Sinica Issue 2, Pages: 15-22(1984)
- 作者机构：
  
  西北电讯工程学院
- 作者简介：
- 基金信息：
- DOI：
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- Published：1984
- 稿件说明：
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[1]梁昌洪.一类弯曲天线引向阵的最佳定向性[J].电子学报,1984(02):15-22.

Liang Chang-hong. Directivity Optimization lor Yagi-Uda Arrays of Shaped Dipoles[J]. Acta Electronica Sinica, 1984, (2): 15-22.
[1]梁昌洪.一类弯曲天线引向阵的最佳定向性[J].电子学报,1984(02):15-22. DOI：

Liang Chang-hong. Directivity Optimization lor Yagi-Uda Arrays of Shaped Dipoles[J]. Acta Electronica Sinica, 1984, (2): 15-22. DOI：

摘要

本文提出一类由弯曲单元构成的引向阵最佳定向性的计算方法。同时确定了最佳的弯曲形状和位置。在优化过程中采用矩量法导出公式

且用单纯形法调优。给出的例子表明

三元1.5λ构成的引向阵

最佳定向性可达11.79l dB。

Abstract

A method is presented for the maximization of the directivity 6f Yagi-Uda arrays whose elements are not straight conductors. The optimum shapes as well as the positions of the array elements are determined. The moment method is used in the formulation of the problem

and the simplex method is applied in the optimization process. An example shows that an optimized Yagi-Uda array of three 1.5λ elements can achieve a maximum directivity of 11. 791 dB.

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