On the Design of a Dual-Band, Switched-Beam Antenna Array with Constant Excitation Coefficients

被引：0
|
作者：
Stelios A. Mitilineos
Christos N. Capsalis
机构：
[1] National Technical University of Athens,Department of Electrical and Computer Engineering, Division of Information Transmission Systems and Material Technology
来源：
Wireless Personal Communications | 2007年 / 41卷
关键词：
switched beam arrays; dual band arrays; genetic algorithms;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
A new technique is proposed for the design of dual-band, switched-beam, wire antenna arrays, using the method of genetic algorithms (GA's). The main goal of the proposed technique is the preservation of constant excitation coefficients during operation at different frequency bands. This is accomplished by jointly optimizing the array's technical characteristics for operation at both frequency bands, while properly exploiting mutual coupling between array elements. Numerical results are presented in the case of a uniform, eight-element circular array, with radiation characteristics specified for the 2.4–2.4835 GHz and 3.4–3.8 GHz frequency bands, and excellent agreement to design considerations is demonstrated.
引用
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页码：127 / 133
页数：6
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