Results 21 to 30 of about 232,569 (291)
Acoustical Ranging Techniques in Embedded Wireless Sensor Networked Devices [PDF]
, 2013 Location sensing provides endless opportunities for a wide range of applications in GPS-obstructed environments; where, typically, there is a need for higher degree of accuracy.
Jha, Sanjay +4 more
core +2 more sources
International Journal of Technology, 2018 Various methods for termite detection have been developed, one of them is purely based on the acoustic signal. However, that method still has a weakness, wherein it is difficult to separate the signal generated by the termite or the noise from the ...
Muhammad Achirul Nanda +3 more
doaj +1 more source
Design of excitation and acquisition system of acoustic vibration signal for apple hardness tester
浙江大学学报. 农业与生命科学版, 2020 An apple hardness tester was designed based on acoustic pulse method. The detection equipment was mainly composed of signal excitation device and signal acquisition system.
WANG Ranran +5 more
doaj +1 more source
Simulation and Analysis Chain for Acoustic Ultra-high Energy Neutrino Detectors in Water [PDF]
, 2013 Acousticneutrinodetectionisapromisingapproachforlarge-scaleultra-highenergyneutrinodetectorsinwater.In this article, a Monte Carlo simulation chain for acoustic neutrino detection devices in water will be presented.
Anton, G. +7 more
core +3 more sources
Micromechanical microphone using sideband modulation of nonlinear resonators [PDF]
, 2017 We report the successful detection of an audio signal via sideband modulation of a nonlinear piezoelectric micromechanical resonator. The 270$\times$96-$\mu$m resonator was shown to be reliable in audio detection for sound intensity levels as low as ...
Ballantine D. +4 more
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Rancang Bangun Driver PZT dan Filtering Data Akustik Pada Sonar Aktif
Jurnal Rekayasa Elektrika, 2022 Acoustic transducer is a source level component in the sonar equation that is indispensable as an underwater acoustic energy source, with a certain emission pattern called beamforming. In this research, we designed the construction of a driver circuit to
Adhi Kusuma Negara +2 more
doaj +1 more source
Denoising Analysis of Partial Discharge Acoustic Signal Based on SVMD-PCA
Journal of Applied Science and Engineering, 2023 Partial discharge (PD) acoustic signal detection is one of the effective means to assess the insulation status of power transformers. In actual monitoring, white noise is likely to cause strong interference to the partial discharge acoustic signal of the
Panpan Cao +3 more
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Detection of Photoacoustic Transients Originating from Microstructures in Optically Diffuse Media such as Biological Tissue [PDF]
, 2001 The generation and detection of broadband photoacoustic (PA) transients may be used for on-axis monitoring or for imaging of optically different structures in the interior of diffuse bodies such as biological tissue.
Dekker, Andre +2 more
core +3 more sources
Movement-assisted localization from acoustic telemetry data
Movement Ecology, 2020 Background Acoustic telemetry technologies are being increasingly deployed to study a variety of aquatic taxa including fishes, reptiles, and marine mammals.
Nathan J. Hostetter, J. Andrew Royle
doaj +1 more source
Microsystems & Nanoengineering, 2023 Acoustic sensors with ultrahigh sensitivity, broadband response, and high resolution are essential for high-precision nondestructive weak signal detection technology.
Tong Xing +10 more
doaj +1 more source