Study on wavelet packet noise removing method for CCD signal of Raman spectra

WANG Jing-gang; CHENG Ming-xiao; LIN Jin-guo; YAN Yu

doi:10.13873/j.1000-97872010.06.013

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Study on wavelet packet noise removing method for CCD signal of Raman spectra

更新时间：2025-09-11

- Study on wavelet packet noise removing method for CCD signal of Raman spectra
- Vol. 29, Issue 6, Pages: 4-7(2010)
- 作者机构：
  
  南京工业大学自动化与电气工程学院
- 作者简介：
- 基金信息：
- DOI：10.13873/j.1000-97872010.06.013
  CLC： TN911.4
- Published：2010
- 稿件说明：
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[1]王京港,程明霄,林锦国,阎宇.拉曼光谱CCD信号的小波包去噪方法研究[J].传感器与微系统,2010,29(06):4-7.

WANG Jing-gang, CHENG Ming-xiao, LIN Jin-guo, et al. Study on wavelet packet noise removing method for CCD signal of Raman spectra[J]. 2010, 29(6): 4-7.
[1]王京港,程明霄,林锦国,阎宇.拉曼光谱CCD信号的小波包去噪方法研究[J].传感器与微系统,2010,29(06):4-7. DOI： 10.13873/j.1000-97872010.06.013.

WANG Jing-gang, CHENG Ming-xiao, LIN Jin-guo, et al. Study on wavelet packet noise removing method for CCD signal of Raman spectra[J]. 2010, 29(6): 4-7. DOI： 10.13873/j.1000-97872010.06.013.

摘要

针对基于CCD拉曼光谱仪中拉曼光谱信号受到噪声干扰的问题

在详细讨论了CCD噪声来源和特性的基础上

提出了一种有效的小波包阈值去噪方法。实验结果表明:该方法可很好地提取信号的主要特征信息

能较好地保留拉曼光谱信号的边缘特征

取得了较好的滤波效果。

Abstract

Aimed at the problem of interference on Raman spectra signal of laser Raman spectrometer based on CCD sensor

an effective wavelet package of de-noising algorithm is proposed after the noise source and the characteristics of CCD are discussed in detail.The experimental results show that the method can extract effectively on main characteristics of signal and reserve edge property of Raman spectra signal and ideal filtering effect.

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references

基于小波包变换的信号去噪方法研究 [J]. 郭计云,王福明. 现代电子技术 . 2007(19)

基于小波包分析的数字信号处理 [J]. 沈申生,华亮. 传感器技术 . 2005(08)

线阵CCD信号的小波去噪方法研究 [J]. 田岩涛,常丹华,张彦. 传感技术学报 . 2005(02)

CCD应用技术[M]. 天津大学出版社 , 王庆有编著, 2000

小波分析算法与应用[M]. 西安交通大学出版社 , 程正兴[著], 1998

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