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Acoustic emission signal analysis [PDF]
, 1982 This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University.An extension of acoustic emission technology was made which permits identification of probable source mechanisms for signals emitted during the failure of ...
Carlyle, John Michael
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Gear wear process monitoring using acoustic signals [PDF]
, 2014 Airborne acoustic signals contain valuable information from machines and can be detected remotely for condition monitoring. However, the signal is often seriously contaminated by various noises from the environment as well as nearby machines.
Gu, Fengshou +3 more
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A Preliminary Investigation on Frequency Dependant Cues for Human Emotions
Acoustics, 2022 The recent advances in Human-Computer Interaction and Artificial Intelligence have significantly increased the importance of identifying human emotions from different sensory cues.
Manish Kumar +2 more
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A Study of Non-stationary Signal Processing for Machinery Condition Monitoring [PDF]
Machinery condition monitoring techniques are carried out based on the knowledge of the characteristics of signals obtained from a machine or plant. These signals are often non stationary signals whose frequency changes over time due to the time-varying ...
Zhen, Dong
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IEEE Access, 2021 Underwater acoustic target recognition is one of the main functions of the SONAR systems. In this paper, a target recognition method based on combined features with automatic coding and reconstruction is proposed to classify ship radiated noise signals ...
Xinwei Luo, Yulin Feng, Minghong Zhang
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A Non-Contact Vital Signs Detection in a Multi-Channel 77GHz LFMCW Radar System
IEEE Access, 2021 The technology of vital signs detection has been proven of great use, whereas it is still limited by several challenges. One of the major challenges is the random body movements (RBMs), which significantly degrade the accuracy of the measurement. In this
Qisong Wu +4 more
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Journal of Marine Science and Engineering, 2022 Near-field interference suppression for a towed linear array (TLA) is investigated in this paper. The existing eigencomponent association (ECA) scheme and multiple signal classification interference suppression (MUSIC-IS) scheme require the prior ...
Kun Wei, Shiliang Fang, Jun Tao
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Hybrid SVM-CNN Classification Technique for Human–Vehicle Targets in an Automotive LFMCW Radar
Sensors, 2020 Human–vehicle classification is an essential component to avoiding accidents in autonomous driving. The classification technique based on the automotive radar sensor has been paid more attention by related researchers, owing to its robustness to low ...
Qisong Wu +3 more
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Diesel Engine Injector Faults Detection Using Acoustic Emissions Technique [PDF]
, 2010 This study focuses on investigation of the method of identifying injector faults in a JCB 444T2 diesel engine using acoustic emission (AE) technique. Different kinds of injector faults were seeded in the four-cylinder, four-stroke, and turbo-engine. Then,
Gu, Fengshou +2 more
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Time Domain Spherical Harmonic Processing with Open Spherical Microphones Recording
Applied Sciences, 2021 Spherical harmonic analysis has been a widely used approach for spatial audio processing in recent years. Among all applications that benefit from spatial processing, spatial Active Noise Control (ANC) remains unique with its requirement for open ...
Huiyuan Sun +2 more
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