A Method for Improving the Quality of Modeling Spectrum of Near Infrared Spectroscopy Analysis Technology
A near-infrared spectroscopy and construction method technology is applied in the field of improving the modeling and prediction capabilities of near-infrared spectroscopy based on "data averaging", which can solve the problems of poor spectral quality and low spectral signal-to-noise ratio, and achieve good accuracy and improve effect, improve the possible effect of later staged production and intelligent production
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[0037] Fourier transform near-infrared spectroscopy (FT-NIR) was used to collect the spectra of 20 raw human plasma samples involved in the modeling, and 15 spectra were collected in parallel for each sample. Using Fourier transform near-infrared spectrometer (FT-NIR) liquid temperature-controlled transmission sampling module, the temperature is controlled at 37°C to collect the spectrum of raw human plasma samples. The spectral scanning range is 10000-4000cm -1 , the number of scans is 32, and the resolution is 8cm -1 , collected with air as a reference, and corrected the background every 1 hour. The laboratory environment is a temperature of 26° C. and a humidity of 30%. Each sample spectrum has a total of 1557 wavenumber points. After removing the wavenumber points with large noise and weak signal, 1200 wavenumber points remain.
[0038] For the 15 spectra of each sample, there are 15 similar absorbance values at each wave number point of each sample, and the differenc...
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