Research of the Signal De-noising in Life Detection Based on Wavelet Transform

Author

Zhen, Zhang ; Yi, Ru

Author_Institution

Zhengzhou Inst. of Aeronaut. Ind. Manage., Zhengzhou, China

Volume

2

fYear

2009

fDate

21-22 Nov. 2009

Firstpage

15

Lastpage

18

Abstract

In life detection radar echo signal is very weak and hard to extract. For solve this problem, weak life signal de-noising based on wavelet transform is studied. Through the studies of wavelet threshold de-noising method, the use of it in weak life signal de-noising in strong noise background, and the verification of simulation by Matlab, the results shows that wavelet threshold de-noising method can remove the noise signal from weak life signal effectively and be an effective de-noising and extraction method for weak life signal.

Keywords

radar signal processing; signal denoising; wavelet transforms; Matlab; life detection radar echo signal; life signal de-noising; wavelet transform; Continuous wavelet transforms; Discrete wavelet transforms; Frequency; Radar detection; Radar signal processing; Signal analysis; Signal denoising; Signal detection; Signal processing; Wavelet transforms; life detection; signal de-nosing; threshold estimation; wavelet transform;

fLanguage

English

Publisher

ieee

Conference_Titel

Intelligent Information Technology Application, 2009. IITA 2009. Third International Symposium on

Conference_Location

Nanchang

Print_ISBN

978-0-7695-3859-4

Type

conf

DOI

10.1109/IITA.2009.410

Filename

5370202