| 110 GHz带通太赫兹滤波器设计 |
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| 引用本文： | 李田睿,张 波,樊 勇.110 GHz带通太赫兹滤波器设计[J].太赫兹科学与电子信息学报,2020,18(1):14-17. |
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| 作者姓名： | 李田睿 张 波 樊 勇 |
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| 作者单位： | School of Electronic Science and Engineering，University of Electronic Science and Technology of China，Chengdu Sichuan 611731，China,School of Electronic Science and Engineering，University of Electronic Science and Technology of China，Chengdu Sichuan 611731，China and School of Electronic Science and Engineering，University of Electronic Science and Technology of China，Chengdu Sichuan 611731，China |
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| 摘 要： | 对滤波器的高精确度理论设计及小误差的工艺实现进行探讨与设计加工。总结了国内外的多种设计经验，讨论了多种类型的滤波器设计方案，选取适当的滤波器结构形式，设计加工了110 GHz的感性窗耦合波导滤波器，其中感性窗耦合结构采用传统机械加工技术实现，与法兰盘结构一并集成。基于高频结构仿真(HFSS)软件进行仿真，结果表明：设计并制作的110 GHz带通滤波器，其中心频率为110 GHz，相对带宽为5%，插入损耗小于1 dB，带内回波损耗大于 20 dB，距中心频率2倍带宽处，带外抑制大于40 dB。
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| 关 键 词： | 高频滤波器 波导滤波器 纯腔体 插入损耗 带外抑制 |
| 收稿时间： | 2018/9/1 0:00:00 |
| 修稿时间： | 2018/12/17 0:00:00 |
Design of 110 GHz band-pass terahertz filter |
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| LI Tianrui,ZHANG Bo and FAN Yong.Design of 110 GHz band-pass terahertz filter[J].Journal of Terahertz Science and Electronic Information Technology,2020,18(1):14-17. |
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| Authors: | LI Tianrui ZHANG Bo and FAN Yong |
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| Abstract: | The high precision theoretical design of the filter and the small error process are discussed. A variety of design experiences are summarized, and several types of filter design schemes are investigated. The appropriate filter structure is selected to design and process the 110 GHz inductive window coupling waveguide filter. The design adopts the inductive window coupling structure, which is realized by traditional machining technology and integrated with the flange structure. Based on High Frequency Structure Simulator(HFSS), a 110 GHz band-pass filter is designed and fabricated. Its central frequency is 110 GHz, relative bandwidth is 5%, insertion loss is less than 1 dB, the in band return loss is more than 20 dB, and the out of band suppression is more than 40 dB at a bandwidth twice the center frequency. |
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