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Article

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Title

Algorithm for detection of wave packets in a circular waveguide

Authors

Year of publication

2024

Published in

Vibrations in Physical Systems

Journal year: 2024 | Journal volume: vol. 35 | Journal number: no. 1

Article type

scientific article

Publication language

english

Keywords
EN
  • wave packet
  • detection
  • waveguide
  • dispersion
  • speaker
  • concrete plug
Abstract

EN This paper presents an algorithm for detecting wave packets in a circular waveguide. The waveguide terminated with a concrete plug was used to test the method. The concrete was made in accordance with the Eurocode standard. During the tests, a significant difference was observed between the behavior of the speaker and the concrete plug. The pulse reflected from the plug maintained its shape regardless of the sound level. The reflection of the pulse from the speaker's diaphragm resulted in a significant change in the form and duration of the wave packet. These changes were dependent on the sound level of the wave packet. As a result of these modifications was a significant difference between the measurement uncertainty of detecting a pulse reflected from the concrete and the speaker. In the case of reflection from the speaker, an uncertainty of 0.036% was obtained. The smallest measurement error value for the pulse reflected from the speaker was 2.5%.

Pages (from - to)

2024111-1 - 2024111-9

DOI

10.21008/j.0860-6897.2024.1.11

URL

https://vibsys.put.poznan.pl/_journal/2024-35-1/articles/vps_2024111.pdf

Comments

Article number: 2024111

License type

CC BY (attribution alone)

Open Access Mode

open journal

Open Access Text Version

final published version

Full text of article

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Access level to full text

public

Ministry points / journal

70

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