Characteristic wavelength selecting method for near infrared spectrum in ant colony optimization algorithm

An ant colony optimization algorithm and near-infrared spectroscopy technology, applied in the field of near-infrared spectroscopy, can solve the problems of complex analysis, complex model, and difficult to eliminate all, and achieve the effect of simple analysis model, high calculation efficiency and wide applicability
CN103344600BActive Publication Date: 2015-06-03CHINA AGRI UNIV
5 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA AGRI UNIV
Publication Date
2015-06-03

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
Patent Text Reader

Abstract

The invention provides a characteristic wavelength selecting method for a near infrared spectrum in an ant colony optimization algorithm. The method comprises the following steps: creating a partial least squares analysis model by utilizing all wavelength points of the near infrared spectrum as initial selection equivalent variables of the ant colony optimization algorithm and utilizing the quality or characteristics of a test object as reference standard, re-weighing and calculating to update a pheromone vector according to the predicated mean square error of the model, searching and obtaining the optimal near infrared spectrum wavelength combination through using iterative computations, performing circular computation for a plurality of times, and automatically judging so as to obtain the optimal characteristic wavelength of the near infrared spectrum. The characteristic wavelength selecting method provided by the invention adopts the global search and positive feedback mechanisms of the ant colony optimization algorithm so as to effectively avoid the defects of subjective wavelength selection in the modeling process, so that the model has strong robustness and applicability.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The invention relates to the technical field of near-infrared spectrum analysis, in particular to a method for selecting near-infrared spectrum characteristic wavelengths using an ant colony optimization algorithm. Background technique

[0002] According to the definition of ASTM, the near-infrared spectrum region refers to electromagnetic waves with a wavelength in the range of 780-2526nm. It is a molecular vibration spectrum frequency multiplication and combined frequency absorption spectrum. It has rich structure and composition information and can be used for the measurement of the composition and properties of hydrocarbon organic substances. . Compared with traditional analysis techniques, it has the advantages of non-destructive testing, high analysis efficiency, low cost, good reproducibility, sample measurement generally does not require pretreatment, and is suitable for on-site testing and online analysis. With the rapid development of near-i...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More