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Noise effect on parameters of quiet sonar with code modulation

Abstract

Earlier publications of the paper authors have shown that the use of code keying mixed with the CW FM sound signal allows the significant reduction in the distance measurement error, compared to classic silent CW FM sonar. In addition to the code modulation parameters, the magnitude of this error is influenced by the received input acoustic noise. The article shows the dependence of the input signal-to-noise ratio and the sound signal parameters on the target distance measurement error and the detection conditions, such as the output signal-to-noise ratio and the side lobe level. The results of the analysis were compared to the same parameters of the CW FM silent sonar without code modulation.

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Details

Category:
Articles
Type:
artykuły w czasopismach
Published in:
Vibrations in Physical Systems pages 1 - 10,
ISSN: 0860-6897
Language:
English
Publication year:
2023
Bibliographic description:
Salamon R., Marszal J., Jedel A.: Noise effect on parameters of quiet sonar with code modulation// Vibrations in Physical Systems -,iss. 34(1), 2023109 (2023), s.1-10
DOI:
Digital Object Identifier (open in new tab) 10.21008/j.0860-6897.2023.1.09
Sources of funding:
  • COST_FREE
Verified by:
Gdańsk University of Technology

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