| 小波变换对敌百虫红外光谱去噪分析 |
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| 引用本文： | 朱春艳,董晓威,王福丽,贾昕宇.小波变换对敌百虫红外光谱去噪分析[J].黑龙江八一农垦大学学报,2010,22(1):86-88. |
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| 作者姓名： | 朱春艳 董晓威 王福丽 贾昕宇 |
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| 作者单位： | 1. 黑龙江八一农垦大学信息技术学院,大庆,163319
2. 黑龙江八一农垦大学工程学院 |
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| 摘 要： | 采用小波变换滤波技术对敌百虫的红外光谱信号进行了去噪处理,利用小波变换滤波技术可以有效地消除红外光谱信号中的噪声,并结合滤波后重构光谱信号对农药浓度与峰面积进行一元线性回归建立其校正模型,并与直接用一元线性回归建立的校正模型进行比较。得出结论敌百虫农药的相关系数由原来的0.914 1提高到0.915。
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| 关 键 词： | 小波变换 敌百虫 红外光谱 去噪处理 |
Rapid Detection of Pesticide Residue in Vegetable by FTIR |
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| Zhu Chunyan,Dong Xiaowei,Wang Fuli,Jia Xinyu.Rapid Detection of Pesticide Residue in Vegetable by FTIR[J].Journal of Heilongjiang August First Land Reclamation University,2010,22(1):86-88. |
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| Authors: | Zhu Chunyan Dong Xiaowei Wang Fuli Jia Xinyu |
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| Institution: | 1.College of Information and Technology, Heilongjiang Bayi Agricultural University, Daqing 163319; 2. College of Engineering, Heilongjiang Bayi Agricultural University) |
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| Abstract: | In this paper, wavelet transform filtering technique of infrared spectroscopy of trichlorphon the denoising signal processing, wavelet transform filtering technology can effectively eliminate the infrared spectrum of the noise signal, combined with reconstruction of spectral signal after filtering of pesticide concentration and peak area of the first linear regression model to establish its calibration, and direct with a linear regression model to establish a comparison of the correction. Concluded that the correlation coefficient of pesticide trichlorfon from 0.914 1 to 0.915. |
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| Keywords: | wavelet transform trichlorphon infrared spectrum denoising processing |
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