Acoustic wave detection of laser shock peening
Opto-Electronic Advances, 2018 In order to overcome the existing disadvantages of offline laser shock peening detection methods, an online detection method based on acoustic wave signals energy is provided.
Wu Jiajun +5 more
doaj +3 more sources
Application of adaptive wavelet thresholding to recovery geoacoustic signal pulse waveforms [PDF]
EPJ Web of Conferences, 2021 Recorded geoacoustic signals often contain noise and interference. Their appearance is caused by various reasons, e.g. of propagation environment heterogeneity, weather condition influence, human activity, etc.
Lukovenkova Olga
doaj +1 more source
Overview of processing and analysis methods for pulse geophysical signals [PDF]
E3S Web of Conferences, 2020 The paper discusses the processing and analysis methods for the geoacoustic and electromagnetic emission pulse signals recorded for more than 20 years at the IKIR FEB RAS geodynamic proving ground (Kamchatka Peninsula).
Lukovenkova Olga +3 more
doaj +1 more source
Analysis of geoacoustic emission and electromagnetic radiation signals accompanying earthquake with magnitude Mw = 7.5 [PDF]
E3S Web of Conferences, 2020 The paper is devoted to the analysis of frequency spectra and pulse waveform variety of the geoacoustic and electromagnetic signals recorded on Kamchatka Peninsula at “Karymshina” site during seismically calm and active periods.
Lukovenkova Olga, Solodchuk Alexandra
doaj +1 more source
Sound Range AE as a Tool for Diagnostics of Large Technical and Natural Objects
Sensors, 2023 Application of acoustic emission of the sound frequency range is under consideration. This range is of current interest for the diagnostics of the stability of mountain slopes, glaciers, ice covers, large technical constructions (bridges, dams, etc.) as ...
Yuri Marapulets +4 more
doaj +1 more source
Search for anomalies in pulse flows of acoustic and electromagnetic emissions [PDF]
E3S Web of Conferences, 2020 Timely warning of disasters caused by earthquakes ensures life safety. Therefore, the search for markers of pre-seismic events preceding earthquakes remains an important research task.
Senkevich Yury
doaj +1 more source
Estimation of the power of geoacoustic emission sources registered in Mikizha Lake, Kamchatka region [PDF]
E3S Web of Conferences, 2019 A method for estimating the power of geoacoustic emission sources recorded by a combined hydroacoustic receiver in Mikizha lake (Kamchatka region) is proposed. The results of the method application at different stages of seismic activity are presented.
Shcherbina Albert, Solodchuk Alexandra
doaj +1 more source
Adaptive Approach to Time-Frequency Analysis of AE Signals of Rocks
Sensors, 2022 The paper describes a new adaptive approach to the investigation of acoustic emission of rocks, the anomalies of which may serve as short-term precursors of strong earthquakes. The basis of the approach is complex methods for monitoring acoustic emission
Olga Lukovenkova +2 more
doaj +1 more source
Complex analysis of pre-seismic geoacoustic and electromagnetic emission signals [PDF]
E3S Web of Conferences, 2019 The article describes the results of complex analysis of pre-seismic signals of electromagnetic and geoacoustic radiation. We analyzed the frequency content of single sferics and geoacoustic impulses recorded before the Zhupanov earthquake that occurred ...
Lukovenkova Olga +3 more
doaj +1 more source
Applied Sciences, 2023 Tire acoustic cavity resonance noise (TACRN) contributes significantly to the interior noise of electric cars and passenger cars with lower powertrain noise, which affects the comfort of the ride.
Xiaojun Hu +3 more
doaj +1 more source