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
收藏
页码：808 / 810
页数：3
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