小波变换在光谱数据去噪中的应用

2011 International Conference on System science, Engineering design and Manufacturing informatization Pub Date : 2011-11-18 DOI:10.1109/ICSSEM.2011.6081275

Yang Youliang, Guo Liwei, Liao Fei

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引用次数: 3

摘要

本文采用小波变换对激光击穿引起的光谱数据进行滤波。介绍了用小波变换对光谱数据进行去噪的原理。数据由卓力汉光公司的Omni-λ300光栅光谱仪采集，在Matlab7.0软件上使用DB5小波对光谱信号进行降噪处理，取得了较好的降噪效果，为光谱定性和定量分析奠定了基础。

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Application of wavelet transform in spectral data de-noising

Wavelet transform is used in this paper to filter spectral data which is breakdown induced by laser. The principle of spectral data which is de-noised by wavelet transform is described. The data was collected by Omni-λ300 grating spectrometer of Zhuolihanguang, DB5 wavelet for spectral signal de-noising was used on Matlab7.0 and obtained a better effect, then the spectrum qualitative and quantitative analysis was established foundation.

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2011 International Conference on System science, Engineering design and Manufacturing informatization

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