| 基于EMD-DISPO的Mie散射激光雷达回波信号去噪方法研究 |
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| 引用本文： | Zhang YK,Ma XC,Hua DX,Chen H,Liu CX. 基于EMD-DISPO的Mie散射激光雷达回波信号去噪方法研究[J]. 光谱学与光谱分析, 2011, 31(11): 2996-3000. DOI: 10.3964/j.issn.1000-0593(2011)11-2996-05 |
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| 作者姓名： | Zhang YK Ma XC Hua DX Chen H Liu CX |
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| 作者单位： | 西安理工大学,陕西西安,710048 |
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| 基金项目： | 国家重点基础研究发展计划(973计划)项目(2009CB426302)资助 |
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| 摘 要： | 激光雷达回波信号是典型的非稳态、非平稳信号,用传统的滤波方法难以对其进行有效地处理.利用经验模式分解方法(EMD)将信号按照不同的特征时间尺度分解为不同的IMF分量,将含有噪声的高频IMF分量剔除,可达到去噪的目的.但如果简单地将高频分量直接剔除,有可能造成有效信号的损失.可提出将EMD方法与Savitzky-Gola...
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| 关 键 词： | 去噪 激光雷达 EMD DISPO |
The mie scattering lidar return signal denoising research based on EMD-DISPO |
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| Zhang Yi-Kun,Ma Xiao-Chang,Hua Deng-Xin,Chen Hao,Liu Cai-Xuan. The mie scattering lidar return signal denoising research based on EMD-DISPO[J]. Spectroscopy and Spectral Analysis, 2011, 31(11): 2996-3000. DOI: 10.3964/j.issn.1000-0593(2011)11-2996-05 |
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| Authors: | Zhang Yi-Kun Ma Xiao-Chang Hua Deng-Xin Chen Hao Liu Cai-Xuan |
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| Affiliation: | ZHANG Yi-kun,MA Xiao-chang,HUA Deng-xin,CHEN Hao,LIU Cai-xuan Xi'an University of Technology,Xi'an 710048,China |
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| Abstract: | Lidar echo signal is a typical non-steady-state,non-stationary signal,and difficult to be dealt with by the traditional filtering methods.As a new signal processing theory proposed in recent years,empirical mode decomposition method can adaptively divide the lidar echo signal into different intrinsic mode function(IMF) components according to different time scale,and noise mainly concentrates in the high-frequency component.However,when filtered with simply removing high frequency component,the useful signa... |
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| Keywords: | Denoising Lidar EMD DISPO |
| 本文献已被 CNKI 万方数据 PubMed 等数据库收录！ |
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