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野草算法优化提取广义切比雪夫滤波器耦合矩阵 被引量：1

Extraction of coupling matrix of generalized Chebyshev filter based on invasive weeds optimization
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摘要 介绍了野草算法优化提取广义切比雪夫滤波器耦合矩阵的方法.首先用野草算法控制耦合矩阵相似变换时的旋转角度,通过对目标函数的优化归零,实现对耦合矩阵任意位置元素的消零.接着给出广义切比雪夫滤波器的几种拓扑结构,设置传输零点在任意有限远处,并通过对其耦合矩阵的提取,计算耦合矩阵对应于归一化原型的幅频响应,验证了这种方法的可行性.最后以优化提取的耦合矩阵为基础设计了微带滤波器,测试结果与设计指标相吻合. Invasive weeds optimization （ IWO） algorithm is introduced to extract the coupling matrix of the gener-alized Chebyshev filter .Firstly, the IWO is used to control the rotation angle in the process of coupling matrix similar transformation .By optimizing the objective function , zero suppression of coupling matrix elements at arbi-trary positions is realized .Then, several topologies of filter are given and transmission zero is set to any finite point.The extraction of coupling matrix demonstrates the feasibility of the proposed method .Finally,based on the extracted coupling matrix , microwave filter is fabricated , and the testing results are in agreement with the de-signed ones .
作者 田雨波 马远
机构地区 江苏科技大学电子信息学院
出处 《江苏科技大学学报（自然科学版）》 CAS 2013年第6期569-574,共6页 Journal of Jiangsu University of Science and Technology:Natural Science Edition
关键词 野草算法 耦合矩阵 滤波器 invasive weeds optimization coupling matrix filter
分类号 TN8 [电子电信—信息与通信工程]
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参考文献9

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二级参考文献27

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江苏科技大学学报（自然科学版）
2013年 第6期

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