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Volume 29 Issue 3
Sep.  2013
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Article Navigation >  LASER TECHNOLOGY  > 2005 >  29(3): 278-280,283

Citation:
shu

Faint signal processing of lidar based on wavelet multi-resolution analysis

  • 1.

    Chengdu University of Technology, Chengdu 610059, China;

  • 2.

    Southwest Institute of Technical Physics, Chengdu 610041, China;

  • 3.

    University of Electronic Science and Technology, Chengdu 610054, China

  • Corresponding author: WANG Yu-Lan, wangwyl@263.net ; 
  • Received Date: 2004-08-25
    Accepted Date: 2004-09-16
  • A wavelet multi-resolution analytical method (WMRA) was used to analyze those echosignals.By the measure,for those signals with S/N above 1.2,the noise can be eliminated,and effective signals can be picked up.When applying the WMRA to a TEA CO2 DIAL lidar,a satisfying result was obtained.When using this method,the ability of laser radar can be greatly improved.
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  • [1] 章正宇,晓林.激光测距弱信号数字相关检测技术研究和仿真[J].中国激光,2002,29(7):661～665.
    [2]

    BOGGESS A,NARCOWICH F J.A first course in wavelets with Fourier analysis [M].Beijing:Publishing House of Electronics industry,2002.144～244.
    [3] 徐佩霞,孙功宪.小波分析与应用实例 [M].2版,合肥:中国科学技术大学出版社,2001.1～120.
    [4] 熊玲玲,刘会金,傅志伟.基于小波包变换的电压骤降信号分析 [J].继电器,2004,632(11):8～12.
    [5] 徐晨,赵瑞珍,甘小冰.小波分析-应用算法 [M].北京:科学出版社,2004.86～87.
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    沈阳化工大学材料科学与工程学院 沈阳 110142

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Faint signal processing of lidar based on wavelet multi-resolution analysis

    Corresponding author: WANG Yu-Lan, wangwyl@263.net; 
  • 1. Chengdu University of Technology, Chengdu 610059, China;
  • 2. Southwest Institute of Technical Physics, Chengdu 610041, China;
  • 3. University of Electronic Science and Technology, Chengdu 610054, China
  • Received Date: 2004-08-25
  • Accepted Date: 2004-09-16
  • Available Online: 2005-05-25

Abstract: A wavelet multi-resolution analytical method (WMRA) was used to analyze those echosignals.By the measure,for those signals with S/N above 1.2,the noise can be eliminated,and effective signals can be picked up.When applying the WMRA to a TEA CO2 DIAL lidar,a satisfying result was obtained.When using this method,the ability of laser radar can be greatly improved.

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