Single-Step Tunable Group Delay Phaser for Spectrum Sniffing

被引：11

作者：

Guo, Tongfeng ^{[1
]}

Zhang, Qingfeng ^{[1
]}

Chen, Yifan ^{[1
]}

Wang, Rui ^{[1
]}

Caloz, Christophe ^{[2
,3
]}

机构：

[1] South Univ Sci & Technol China, Dept Elect & Elect Engn, Shenzhen, Guangdong, Peoples R China

[2] Ecole Polytech Montreal, Dept Elect Engn, Montreal, PQ H3T 1J4, Canada

[3] King Abdulaziz Univ, Jeddah 21413, Saudi Arabia

来源：

IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2015年 / 25卷 / 12期

基金：

中国国家自然科学基金;

关键词：

Group delay; phaser; real-time analog signal processing (R-ASP); spectrum sniffing; time filtering; tunability; TIME; MICROSTRIP;

D O I：

10.1109/LMWC.2015.2495199

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This letter presents a single-step tunable group delay phaser for spectrum sniffing. This device may be seen as a "time filter", where frequencies are suppressed by time separation rather than by spectral attenuation. Compared to its multiple-step counterpart, this phaser features higher processing resolution, greater simplicity, lower loss and better channel equalization, due to the smaller and channel-independent group delay swing. A two-channel example is provided for illustration.

引用

页码：808 / 810

页数：3

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