Inverse matrix iteration deconvolution method for spectrum resolution enhancement
A spectral resolution and deconvolution technology, applied in the field of inverse matrix iterative deconvolution, it can solve the problems of complex kernel function, high difficulty, and many data influencing factors, and achieve the effect of fast calculation process, stable results and wide application range.
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[0091] Take the Raman spectrum of toluene as an example.
[0092] figure 1 is the Raman spectrum of toluene.
[0093] 1. Choose 900-1100cm -1 Toluene Raman spectrum F in the wavenumber band is an example of deconvolution resolution enhancement, such as figure 2 .
[0094] 2. The number of pixels in this spectrum is 121, that is, the number m of elements in f(n) is 121. The Lorentz function contribution in the Voigt peak can be eliminated by Lorentz function deconvolution;
[0095] 3. According to the calculation accuracy requirements, determine the unit peak width of the Lorentz peak to be 0.1;
[0096] 4. Generate a g(n) sequence according to the Lorentz function, in which the number of elements is 2m-1, and the center of the peak is the mth element. The g(n) sequence value is placed on the first line, and it is translated backwards in turn to generate the second line, ..., until the mth line. The missing elements in the translation are replaced with 0 or 'NaN', and th...
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