Automatic modeling method of spectrograph

An automatic modeling and spectrometer technology, applied in the field of spectral analysis, can solve the problems of cumbersome modeling process and unfavorable rapid operation and use by non-professionals

Pending Publication Date: 2020-10-23
ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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AI Technical Summary

Problems solved by technology

Establishing an accurate model usually requires professionals to go through key steps such as data screening, modeling method selection, and modeling parameter adjustment based on experience. The modeling process is cumbersome and not conducive to quick operation and use by non-professionals.

Method used

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  • Automatic modeling method of spectrograph
  • Automatic modeling method of spectrograph
  • Automatic modeling method of spectrograph

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Embodiment Construction

[0038] Below, the present invention is described in detail with reference to accompanying drawing and embodiment:

[0039] like figure 1 As shown, an automatic modeling method of a spectrometer, including the following steps:

[0040] ⅰ. Import the data set into the spectrometer

[0041] Import the spectral data set and the corresponding content chemical truth set;

[0042] ii. Preprocessing the Spectral Dataset

[0043] Call the spectral preprocessing process to process the spectral data set to obtain the processed spectral data;

[0044] ⅲ. Preprocessing the chemical truth set

[0045] Perform data processing on the chemical truth set to obtain the processed chemical truth set data;

[0046] ⅳ. Input the model control quantity to the spectrometer

[0047] Input modeling control error target value and cycle error interval to the spectrometer;

[0048] ⅴ. Model building

[0049] Receive spectral data, chemical truth set data, modeling control error target value, cyclic...

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Abstract

The invention discloses an automatic modeling method of a spectrograph. The automatic modeling method comprises the following steps: importing a data set into the spectrograph; preprocessing the spectral data set; preprocessing a chemical truth value set; inputting a model control quantity into the spectrograph; and establishing a model. According to the invention, spectral error data can be automatically eliminated, and professional intervention is not needed; automatic loop iterative optimization is carried out on a prediction model, and spectral modeling parameters and a calculation coefficient array of the model are stored for calculating, outputting and analyzing results during prediction; and the requirement threshold of the spectrograph for professional knowledge can be reduced, convenience is brought to users of an application end for building an accurate model by themselves, and wide and convenient use of the spectrograph technology can be greatly promoted. The invention provides the method for automatically screening and analyzing spectral data and automatically selecting optimal parameters to iteratively optimize spectral modeling so as to realize automatic establishmentof a spectrograph model.

Description

technical field [0001] The invention belongs to the technical field of spectral analysis, and in particular relates to an automatic modeling method for a spectrometer. Background technique [0002] Spectral analysis technology has expanded from the field of agricultural products to the fields of petrochemical, pharmaceutical, biochemical, tobacco and textiles, and has become the main means of rapid and non-destructive analysis for quality control, quality analysis and online analysis in developed countries. However, spectroscopic analysis technology needs to establish a prediction model of the substance based on samples with known substance content in advance, so as to collect spectra for samples with unknown content and then use the model to calculate the content of the substance. [0003] The accuracy of the analysis results depends on the accurate establishment of the prediction model. Establishing an accurate model usually requires professionals to go through key steps ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G16C20/20G16C20/70G01N21/31
CPCG16C20/20G16C20/70G01N21/31
Inventor 王东琳杨鹏陈鹏商继敏杨坤
Owner ZHENGZHOU UNIVERSITY OF LIGHT INDUSTRY
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