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| 基于小波变换和高斯拟合的在线谱图综合处理方法 | |
| 作者姓名： | Li CP Han JQ Huang QB Mu N Zhu DZ Guo CT Cao BQ Zhang L |
| 作者单位： | 1. 西安交通大学智能网络与网络安全教育部重点实验室,陕西西安710049;防化研究院,北京102205 2. 西安交通大学智能网络与网络安全教育部重点实验室,陕西西安,710049 3. 防化研究院,北京,102205 4. 国家农业信息化工程技术研究中心,北京,100097 5. 北京普析通用仪器有限责任公司,北京,100081 |
| 基金项目： | 国家重点基础研究发展计划(973计划)项目(2011CB706900)资助 |
| 摘 要： | 微小型移动式现场在线检测技术是分析仪器发展的新领域。针对复杂工作环境中谱图存在强噪声干扰、谱峰重叠、不规则峰形等严重影响仪器的定性和定量准确度的瓶颈技术,提出了一种基于小波变换和高斯拟合相结合的谱图在线综合处理方法,用自研的仪器对甲苯和全氟三丁胺两种典型化合物的谱图进行了处理,并与实验室分析仪器普遍应用的算法进行了对比分析。结果表明,综合方法能够有效解决强噪声干扰、谱峰重叠、不规则峰形问题,提高仪器的定性和定量准确性,同时能够实现数据压缩,满足仪器的在线实时检测要求。综合方法处理甲苯特征峰的平均信噪比(SNR)较移动平滑方法提高了1.3倍,峰位误差ΔM降低了3.6倍,处理全氟三丁胺谱图的数据压缩比为197∶1。 |
| 关 键 词： | 小波变换 高斯拟合 信号去噪 谱图处理 数据压缩 现场在线检测 |
An integrated on-line processing method for spectrometric data based on wavelet transform and Gaussian fitting |
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| Li CP,Han JQ,Huang QB,Mu N,Zhu DZ,Guo CT,Cao BQ,Zhang L.An integrated on-line processing method for spectrometric data based on wavelet transform and Gaussian fitting[J].Spectroscopy and Spectral Analysis,2011,31(11):3050-3054. | |
| Authors: | Li Cui-Ping Han Jiu-Qiang Huang Qi-Bin Mu Ning Zhu Da-Zhou Guo Chun-Tao Cao Bing-Qing Zhang Lin |
| Institution: | LI Cui-ping1,2,HAN Jiu-qiang1,HUANG Qi-bin2,MU Ning2,ZHU Da-zhou3,GUO Chun-tao4,CAO Bing-qing2,ZHANG Lin2 1.Ministry of Education Key Lab for Intelligent Networks and Network Security,Xi'an Jiaotong University,Xi'an 710049,China 2.Institute of Chemical Defense,Beijing 102205,China 3.National Engineering Research Center for Information Technology in Agriculture,Beijing 100097,China 4.Beijing Purkinje General Instrument Co.,Ltd.,Beijing 100081,China |
| Abstract: | Miniature mobile field spectrometry is pivotal equipment for qualitative and quantitative in-situ analysis of chemical substances.To solve the problem of spectrum signal interfered by complicated noise,overlapped and irregular peak shape recognition,and quick monitoring,an integrated on-line processing method for spectrometric data based on wavelet transform and Gaussian fitting was developed.In this way,toluene and perfluorotributylamine were processed,and the results shows that the integrated method can p... |
| Keywords: | Wavelet transform Gaussian fitting Signal de-noising spectrogram processing Data compression In situ analysis |
| 本文献已被 CNKI 万方数据 PubMed 等数据库收录！ | |