| BPF小型化超导滤波器的研究与设计 |
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| 引用本文： | 张正平 王升强 秦水介. BPF小型化超导滤波器的研究与设计[J]. 中国材料科技与设备, 2007, 4(4): 89-91 |
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| 作者姓名： | 张正平 王升强 秦水介 |
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| 作者单位： | [1]贵州大学通信工程系,贵州贵阳550025 [2]贵州大学光电子技术及应用省级重点实验室,贵州贵阳550025 |
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| 基金项目： | 国家自然科学基金资助项目（60666001）;贵州省优秀青年科技人才培养计划项目（黔科合人字（2002）2013）;贵州省高层次人才基金项目;省长基金项目;教育部基金及留学回国人员科研启动项目 |
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| 摘 要： | 本文对阶梯阻抗线微带谐振器（SIR）进行了研究，基于一般SIR模型设计了一个类SIR谐振器。由该谐振器构建的BPF不仅可使微带线BPF的尺寸小型化，而且可以控制微带线BPF寄生响应的位置。该谐振器更容易进行细微的调节与优化。利用所提出的谐振器结构设计了一个具有准椭圆函数响应特性的4阶超导带通滤波器，用全波分析软件进行了仿真与优化，并对所设计的超导滤波器进行了测试，结果表明，实际测试结果与理论响应符合良好。
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| 关 键 词： | 阶梯阻抗线谐振器（SIR） 超导滤波器 准椭圆函数滤波器 |
Study and Design of Superconducting Filter for Miniaturization of Narrowband BPF |
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| ZHANG Zheng-Ping ,WANG Sheng-Qiang , QIN Shui-Jie. Study and Design of Superconducting Filter for Miniaturization of Narrowband BPF[J]. Chinese Materials Science Technology & Equipment, 2007, 4(4): 89-91 |
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| Authors: | ZHANG Zheng-Ping WANG Sheng-Qiang QIN Shui-Jie |
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| Affiliation: | 1. Department of Communication Engineering, Guizhou University, Guizhou, Guiyang, 550025, China;2. Laboratory for Photoelectric Technology and Application, Guizhou University, Guizhou,Guiyang, 550025,China |
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| Abstract: | Stepped impedance micro-strip resonators are investigated in this paper. A pseudo-SIR based on the traditional SIR is designed, which can not only make the BPF compact, but also may control the position of the spurious response of BPF. A 4th-order superconducting filter with quasi-elliptic function characteristic is designed with the pseudo-SIR, simulated and optimized by full-wave analysis EM simulator. Finally, the filter is fabricated and measured, the results indicate that the measured response agrees well with the theoretic response. |
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| Keywords: | SIR Superconducting filter Quasi-elliptic function filter |
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