| 具有陷波特性的超宽带带通滤波器设计 |
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| 引用本文： | 马宁,梁彩凤.具有陷波特性的超宽带带通滤波器设计[J].天津工程师范学院学报,2014(4):11-13. |
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| 作者姓名： | 马宁 梁彩凤 |
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| 作者单位： | 天津职业技术师范大学电子工程学院,天津300222 |
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| 基金项目： | 天津职业技术师范大学科研发展基金项目（KJ09-012）. |
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| 摘 要： | 针对超宽带无线通信系统,提出了一种结构新颖的具有陷波特性的微带线超宽带带通滤波器.该滤波器由级联1/4波长短截线和耦合阶跃阻抗谐振器构成,超宽带滤波器的带通滤波特性由1/4波长短截线结构产生,通过耦合阶跃阻抗谐振器实现通带内的窄带陷波特性.利用电磁仿真,验证了所设计的滤波器的性能.
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| 关 键 词： | 超宽带 带通滤波器 阶跃阻抗谐振器 |
Design of microstrip ultra-wideband bandpass filter with notched band |
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| MA Ning,LIANG Cai-feng.Design of microstrip ultra-wideband bandpass filter with notched band[J].Journal of Tianji University of Technology and Education,2014(4):11-13. |
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| Authors: | MA Ning LIANG Cai-feng |
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| Institution: | (School of Electronic Engineering, Tianjin University of Technology and Education, Tianjin 300222, China) |
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| Abstract: | A novel microstrip ultra-wideband （UWB） bandpass filter （BPF） with a notched band is proposed for the ap- plication in UWB wireless communication system. The filter is composed of cascaded quarter-wavelength stubs and coupled stepped-impedance resonators （SIRs）. The quarter-wavelength stub based filter is designed to create an ultra-wide pass band. While the external coupled SIRs are used to introduce a narrow rejection band into the UWB pass band. Electromag- netic simulations are carried out to validate the performance of the BPF. |
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| Keywords: | uhra-wideband bandpass filter stepped-impedance resonator |
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