Compressed sensing based multi-rate sub-Nyquist sampling system

被引：0
|
作者：
Xiong Yanwei
Zhang Jianhua
Zhang Ping
机构：
[1] KeyLaboratoryofUniversalWirelessCommunication,BeijingUniversityofPostandTelecommunications
来源：
The Journal of China Universities of Posts and Telecommunications | 2015年 / 22卷 / 02期
关键词：
D O I：
暂无
中图分类号：
TN911.7 [信号处理];
学科分类号：
0711 ; 080401 ; 080402 ;
摘要：
Signal sampling is a vital component in modern information technology. As the signal bandwidth becomes wider, the sampling rate of analog-to-digital conversion(ADC) based on Shannon-Nyquist theorem is more and more high and may be beyond its capacity. However the analog to information converter(AIC) based on compressed sensing(CS) is designed to sample the analog signals at a sub-Nyquist sampling rate. A new multi-rate sub-Nyquist sampling(MSS) system was proposed in this article, it has one mixer, one integrator and several parallel ADCs with different sampling rates. Simulation shows the signals can be reconstructed in high probability even though the sampling rate is much lower than the Nyquist sampling rate.
引用
收藏
页码：89 / 95
页数：7
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