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Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering)  2000, Vol. 1 Issue (1): 15-19    DOI: 10.1631/jzus.2000.0015
Science & Engineering     
A NEW COMPUTING MULTIVARIATE SPECTRAL ANALYSIS METHOD BASED ON WAVELET TRANSFORM
CHENG Yi-yu, CHEN Min-jun
Dept.of Chemical Engineering, Yuquan Campus of Zhejiang University, Hangzhou, 310027, China
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Abstract  This paper proposes a new algorithm for multivariate calibration named Principal Component Regression Based on Wavelet (PCRW) which combines wavelet decomposition technique with the factor analysis method for establishing a duplicate denoising mechanism. A practical example in spectral analysis of a typical multicomponent pharmaceutical system was used to verify the effectiveness of the algorithm. It was shown that PCRW produced fewer prediction errors than those obtained by using PCR.

Key wordsspectral analysis      wavelet transform      multivariate calibration      chemometrics      PCRW     
Received: 08 December 1998     
CLC:  O652.9  
  O657  
Cite this article:

CHENG Yi-yu, CHEN Min-jun. A NEW COMPUTING MULTIVARIATE SPECTRAL ANALYSIS METHOD BASED ON WAVELET TRANSFORM. Journal of Zhejiang University-SCIENCE A (Applied Physics & Engineering), 2000, 1(1): 15-19.

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http://www.zjujournals.com/xueshu/zjus-a/10.1631/jzus.2000.0015     OR     http://www.zjujournals.com/xueshu/zjus-a/Y2000/V1/I1/15

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