[Analysis of different methods for denoising of high temperature Raman spectra].
Combined with time accumulated resolution and space resolution the SU-HTRS(T/S) set has been realized at Shanghai University. It is impossible to avoid noise at high temperature, so different mathematic methods, such as Savitzky-Golay method, FFT and wavelet methods have been adopted for denoising. For various noise levels, the effects of three methods on the peak location, intensity and covering area as well as the smoothing degree of the reduced spectra were analyzed. It can be concluded that Savitzky-Golay method is simple and quick, while wavelet method offers the best results in denoising process.
Chen
Hui
H
School of Material Science and Engineering, Shanghai University, Shanghai 200072, China.
Jiang
Guo-Chang
GC
You
Jing-Lin
JL
Wu
Yong-Quan
YQ
D000465:Algorithms; D006358:Hot Temperature; D012815:Signal Processing, Computer-Assisted; D013059:Spectrum Analysis, Raman / Q000379:methods*; D015040:Zirconium / Q000737:chemistry
D015040:Zirconium; C028541:zirconium oxide