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Telecommunications and Radio Engineering
SJR: 0.202 SNIP: 0.2 CiteScore™: 0.23

ISSN Print: 0040-2508
ISSN Online: 1943-6009

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Telecommunications and Radio Engineering

DOI: 10.1615/TelecomRadEng.v71.i5.50
pages 435-443

USE OF SPECTRAL IMAGES FOR SIGNAL ANALYSIS

Ivan S. Zakharov
Kursk State Technical University, Kursk, Russian Federation
A. F. Rybochkin
Kursk State Technical University, Kursk, Russian Federation
S. V. Pravednikova
Kursk State Technical University, Kursk, Russian Federation

ABSTRACT

Analysis of an acoustic signal by a relative comparison of different intensive components, obtained from narrow-band frequency filters, is presented. Intensive signal components from n narrow-band frequency filters are detected and then associatively compared in a unit of comparators. Cn2 binary codes, reflecting spectral images (shapes) or n! rearrangements, are generated at this unit outputs. The method can be used for compression of multidigit binary codes into two-digit symbols, correspondent to rearrangements being spectral image analogues, which can be easily transformed back to binary codes. The possibility of building relatively cheap diagnosis systems for recognition of the diagnosed object state is considered. A program that calculates spectral image levels from the obtained code messages and identifies codes for a given number of spectral image levels is developed.

REFERENCES

  1. Kostrikin, A. I., Introduction to Algebra. Algebra Bases.

  2. Rybochkin, A. F., Method of Defining Informative Frequency Bands of an Acoustic Signal of Bee Families for Recognition of Their States.

  3. Rybochkin, A. F., Dreizin, V. E., Zakharov, I. S., Dremov, B. B., and Kutozov, A. A., Method and Device for Diagnosing the State of Bee Families by The Acoustic Noise.


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