Method of Noise Reduction Based on SVD and Its Application in Digital Receiver Front-end

被引：0
|
作者：
Hu, Lin [1 ]
Ma, Hong [1 ]
Cheng, Li [2 ]
机构：
[1] Huazhong Univ Sci & Technol, Dept Elect & Informat Engn, Wuhan, Peoples R China
[2] Wuhan Inst Technol, Elect & Informat Engn Inst, Wuhan, Peoples R China
来源：
18TH ASIA-PACIFIC CONFERENCE ON COMMUNICATIONS (APCC 2012): GREEN AND SMART COMMUNICATIONS FOR IT INNOVATION | 2012年
关键词：
singular value decomposition; Curvature spectrum; noise reduction;
D O I：
暂无
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
A method of noise reduction based on singular value decomposition (SVD) is applied to digital receiver front-end. To determine the optimal de-noising order, a new method is presented according to the curvature of the increment of singular entropy. Verification tests are taken using the simulation signal and the actual output signal from the receiver, respectively. The results show that this method has obviously reduction of the background noise and can guarantee the integrity of the information contained in the signal after noise reduction; in other words, the method can effectively improve the signal-to-noise ratio(SNR) of the receiver front-end.
引用
收藏
页码：511 / 515
页数：5
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