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Sena Tayfur and Ninel Alver
In heterogeneous materials such as concrete, deterioration of the elastic wave?which acoustic emission technique (AET) is based on?is one of the research objects in the field. While many studies reveal that the wave is deteriorated due to the concrete co...
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Yehav Alkaher and Israel Cohen
In this paper, we address the problem of howling detection in speech reinforcement system applications for utilization in howling control mechanisms. A general speech reinforcement system acquires speech from a speaker?s microphone, and delivers a reinfo...
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Hongran Chen, Mengyang Zhai and Lei Xue
The recession of a coast can destabilize coastal cliffs. The stability of a cliff is controlled by a rock bridge. Identifying the volume-expansion point of rock bridges is crucial to assess cliff stability, but currently there are few identifying methods...
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Olena Monchenko,Yelyzaveta Kutniak,Hanna Martyniuk,Nadiia Marchenko
Pág. 72 - 79
A universal mathematical model of a noise signal in pipeline systems from the point of its origin to the observation point was presented. Due to the indicator function introduced into it, the model makes it possible to use different types of components a...
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Liqiang Guan, Mingxia Zou, Xili Wan and Yifeng Li
This paper investigates the direction identification of micro-cracks with nonlinear components generated by Lamb wave with frequency-mixing technique. Three-dimensional finite element simulations were carried out to investigate the interaction mechanism ...
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