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Study on the Signal Detection Algorithm of Weak Laser Radar Target Based on Wavelet Transform

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4 Author(s)
Jianhua Sun ; ZhengZhou Inst. of Aeronaut. Ind. Manage., Zhengzhou, China ; Pengge Ma ; Ning Zheng ; Jinfa Shi

According to the different transmission characteristics under the wavelet transform(WT) domain and the different distribution characteristics of frequency domain of the signal and noise, a novel approach for detecting weak signal laser radar target based on wavelet transform has been proposed. In many cases, wavelet decomposition has been used to de-noise a digital signal submerged by mass noise. Differently in our approach, we applied the wavelet decomposition and the modulus maximum to detect the locations of laser radar echo signal. Simulation shows that the proposed algorithm is more efficient than only utilizing wavelet decomposition in a clutter environment.

Published in:

Information Processing (ISIP), 2010 Third International Symposium on

Date of Conference:

15-17 Oct. 2010