Direct Matrix Synthesis Approach for Narrowband Mixed Topology Filters

Direct Matrix Synthesis Approach for Narrowband Mixed Topology Filters
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窄带混合拓扑滤波器的直接矩阵综合方法

DOI:
10.1109/lmwc.2016.2549098
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发表时间:
2016-04
影响因子:
3
通讯作者:
Sun, Liguo
Sun, Liguo
中科院分区:
工程技术2区
文献类型:
--
作者:
He, Yuxing;Wang, Gang;Sun, Liguo

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在这封信中,针对窄带混合拓扑滤波器(即滤波器结构部分具有提取极点和部分具有交叉耦合配置)提出了一种新颖的直接耦合矩阵合成方法。首先,基于一组具有复系数的新特征多项式构造滤波器的规范耦合矩阵,以直接在源和负载处生成提取极点部分。然后,引入特定的矩阵旋转序列以将滤波器简化为更实用的 N 元组和提取极点混合拓扑。为了验证目的,给出了两个说明性示例。由于合成是通过更简单的耦合矩阵过程完成的,因此所提出的方法为合成具有终端提取极点部分的混合拓扑滤波器提供了更方便的解决方案。
In this letter, a novel direct coupling matrix synthesis approach is proposed for the narrowband mixed topology filter (i.e., the filter structure part with extracted-pole and part with cross-coupled configurations). First, canonical coupling matrix for the filter is constructed based on a set of new characteristic polynomials with complex coefficients to generate extracted-pole sections at the source and load directly. Then, a specific matrix rotation sequence is introduced to reduce the filter to a more practical N-tuplets & extracted-pole mixed topology. For validation purposes, two illustrative examples are given. As the synthesis is done by a simpler coupling matrix process, the presented approach provides a more convenient solution for synthesizing mixed topology filters with terminal extracted-pole sections.
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发表时间: 2003-01
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