Decrease latency of Power Spectrum peaks for narrowband acoustic signal detection in real time

Abstract

We propose partial computation of Continuous Wavelet Transform (CWT) and Power Spectrum (PS) in acoustic signal detection for decrease latency caused by the repeated calculations of CWT and PS. This allows detecting growing PS peaks earlier than the full CWT and PS calculating cycle is done that important for the real time systems. Numerical simulation of the test narrowband signal detection within broadband noise with negative value of signal-to-noise ratio (-12 dB) is shown. Test signals were detected approximately from 0.25 to 0.75 second instead of one second in the original method. The offered algorithm may be used for other similar applications concerning CWT and PS computation.

Original language	English
Title of host publication	Proceedings of 2015 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015
Publisher	Institute of Electrical and Electronics Engineers Inc.
ISBN (Print)	9781467381147
DOIs	https://doi.org/10.1109/MEACS.2015.7414891
Publication status	Published - 19 Feb 2016
Event	International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015 - Tomsk, Russian Federation Duration: 1 Dec 2015 → 4 Dec 2015

Other

Other	International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015
Country	Russian Federation
City	Tomsk
Period	1.12.15 → 4.12.15

Keywords

continuous wavelet transform
detection
latency
narrowband signal
power spectrum
simulation
threshold system

ASJC Scopus subject areas

Mechanical Engineering
Modelling and Simulation
Control and Systems Engineering

Access to Document

10.1109/MEACS.2015.7414891

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Cite this

Khamukhin, A. A., & Sidorov, V. V. (2016). Decrease latency of Power Spectrum peaks for narrowband acoustic signal detection in real time. In Proceedings of 2015 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015 [7414891] Institute of Electrical and Electronics Engineers Inc.. https://doi.org/10.1109/MEACS.2015.7414891

Decrease latency of Power Spectrum peaks for narrowband acoustic signal detection in real time. / Khamukhin, Alexander A.; Sidorov, Vladislav V.

Proceedings of 2015 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015. Institute of Electrical and Electronics Engineers Inc., 2016. 7414891.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Khamukhin, AA & Sidorov, VV 2016, Decrease latency of Power Spectrum peaks for narrowband acoustic signal detection in real time. in Proceedings of 2015 International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015., 7414891, Institute of Electrical and Electronics Engineers Inc., International Conference on Mechanical Engineering, Automation and Control Systems, MEACS 2015, Tomsk, Russian Federation, 1.12.15. https://doi.org/10.1109/MEACS.2015.7414891

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