NDLI: An expert system for identification of lines in vibrational-rotational spectra

Content Provider	Springer Nature Link
Author	Bykov, A. D. Naumenko, O. V. Pshenichnikov, A. M. Sinitsa, L. N. Shcherbakov, A. P.
Copyright Year	2003
Abstract	An expert system for automatic identification of the complex vibrational-rotational spectra of molecules has been developed. An iteration approach is implemented in this system, in which employment of the exact combination rule is combined with determination of the spectroscopic constants by solving of the inverse problems and comparison of the calculated parameters of spectral lines with the corresponding measured values. In order to calculate the energy levels and the frequencies and intensities of lines, the Watson Hamiltonian, the Padé-Borel approximants, and generating functions are used. The system is based on the application of pattern-recognition algorithms. Recognition training makes it possible to obtain the required flexibility of the system and to use different methods of identification based on the application of combination rules both for the analysis of strong bands and for the assignment of weak single lines. The system developed can be used to analyze the spectra of the C $_{ s }$ and C $_{2V }$ molecules, as well as employ the calculated spectrum of a molecule of any type prepared in advance. This system was successfully used to identify the H 2 16 O, H 2 17 O, H 2 18 O, D$_{2}$O, HDO, H 2 32 S, H 2 34 S, and H 2 33 S and molecules.
Starting Page	528
Ending Page	537
Page Count	10
File Format	PDF
ISSN	0030400X
Journal	Optics and Spectroscopy
Volume Number	94
Issue Number	4
e-ISSN	15626911
Language	English
Publisher	Nauka/Interperiodica
Publisher Date	2003-01-01
Publisher Place	Moscow
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Optical Spectroscopy, Ultrafast Optics
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics Electronic, Optical and Magnetic Materials

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