双/三模基片集成波导和共面波导混合结构滤波器设计
Design of Filters Using the Hybrid Structure of Dual /Triple- Mode Substrate Integrated Waveguide and Ground Coplanar Waveguides
查看参考文献23篇
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文摘
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针对微波带通滤波器小型化、高性能的应用需求,提出使用双/三模方形基片集成波导和共面波导混合结构设计带通滤波器.通过改变双模基片集成波导中TE_(102)和TE_(201)的谐振频率和外部耦合的强弱,可实现具有近似椭圆、非对称和无传输零点响应的双模滤波器;两个相同尺寸的共面波导作为谐振器蚀刻在基片集成波导表面,与TE_(102)和TE_(201)共同形成一个通带,设计具有多样性响应的四阶滤波器.在具有非对称响应四阶滤波器的基础上,使主模TE_(101)频率移动到该通带附近,设计更宽带宽的五阶滤波器.并对设计的滤波器进行加工和测试.测试结果与仿真结果吻合,表明了该混合结构设计高性能滤波器方法的可行性. |
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其他语种文摘
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A class of planar bandpass filters (BPFs) using dual /triple-mode substrate integrated waveguide (SIW) resonator and ground coplanar waveguides (GCPWs) are proposed according to miniaturization and high selectivity. The quasi-elliptic, asymmetric and non-transmission zero (TZ) response dual-mode SIW filters can be realized by changing resonance frequencies of TE_(102) and TE_(201), and the external couplings. Two GCPWs of the same size are etched on SIW cavity top metal plane; and the TE_(102),TE_(201) and two GCPWs in a single SIW cavity are combined to construct the diversified response fourth-order filters. On the basis of asymmetric and non-TZ response, the fundamental mode TE_(101) can be shifted to the passband to form a fifth-order filter with wider bandwidth. The designed BPFs were fabricated and measured; and the simulated and measured results agree with each other,demonstrating the feasibility of using hybrid dual /triple-mode SIW and CPWs in a single cavity to design BPFs. |
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来源
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电子学报
,2018,46(4):952-960 【核心库】
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DOI
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10.3969/j.issn.0372-2112.2018.04.025
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关键词
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带通滤波器
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基片集成波导
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共面波导
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近似椭圆响应
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非对称响应
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双模
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三模
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地址
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解放军信息工程大学信息系统工程学院, 河南, 郑州, 450001
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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0372-2112 |
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学科
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电子技术、通信技术 |
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文献收藏号
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CSCD:6238253
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