| 基于亮温光谱和主成分分析的大气污染气体探测 |
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| 引用本文： | Cui FX,Fang YH,Lan TG,Xiong W,Yuan YM. 基于亮温光谱和主成分分析的大气污染气体探测[J]. 光谱学与光谱分析, 2011, 31(10): 2794-2797. DOI: 10.3964/j.issn.1000-0593(2011)10-2794-04 |
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| 作者姓名： | Cui FX Fang YH Lan TG Xiong W Yuan YM |
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| 作者单位： | 1. 中国科学院安徽光学精密机械研究所,通用光学与定标与表征技术重点实验室,安徽合肥230031
2. 华东电子工程研究所,安徽合肥,230088 |
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| 基金项目： | 国家自然科学基金项目(41071232)资助 |
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| 摘 要： | 在移动平台条件下,污染气体红外遥测系统无法获取有效的背景光谱。利用算法扣除红外光谱中的背景信息,提取目标光谱特征,是污染气体红外遥测系统在移动平台上应用的关键环节。提出基于亮温光谱和主成分分析的迭代拟合算法。相对于传统的亮温光谱法,该算法降低了亮温光谱法对仪器响应函数的精度要求,同时结合主成分分析和迭代拟合技术,可有效提取目标光谱特征。
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| 关 键 词： | 污染气体 红外遥测 亮温 主成分分析 |
Remote sensing of pollutant gases using brightness temperature and principal component analysis |
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| Cui Fang-Xiao,Fang Yong-Hua,Lan Tian-Ge,Xiong Wei,Yuan Yue-Ming. Remote sensing of pollutant gases using brightness temperature and principal component analysis[J]. Spectroscopy and Spectral Analysis, 2011, 31(10): 2794-2797. DOI: 10.3964/j.issn.1000-0593(2011)10-2794-04 |
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| Authors: | Cui Fang-Xiao Fang Yong-Hua Lan Tian-Ge Xiong Wei Yuan Yue-Ming |
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| Affiliation: | CUI Fang-xiao1,FANG Yong-hua1,LAN Tian-ge2,XIONG Wei1,YUAN Yue-ming11.Key Laboratory of Optical Calibration and Characterization,Anhui Institute of Optics and Fine Mechanics,Chinese Academy of Sciences,Hefei 230031,China2.East China Research Institute of Electronic Engineering,Hefei 230088,China |
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| Abstract: | On the mobile platform,the remote sensing system for pollutant gases can not effectively obtain background spectra.It is the key step to remove background information and extract target spectral characteristics utilizing specific algorithm.The present paper addressed an algorithm based on principal component iterative fitting and brightness temperature spectrum.The algorithm didn't require strict measurement of instrumental response function.Combining the temperature spectrum,principal component analysis an... |
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| Keywords: | Pollutant gases Infrared remote sensing Brightness temperature Principal component analysis |
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