Results 31 to 40 of about 3,131 (172)
Inhibitory effects of low decibel infrasound on the cardiac fibroblasts and the involved mechanism
Noise and Health, 2017 Introduction: Infrasound is a mechanical vibration wave with frequency between 0.0001 and 20 Hz. It has been established that infrasound of 120 dB or stronger is dangerous to humans.
Wei Jin +8 more
doaj +1 more source
Quantized Constant-Q Gabor Atoms for Sparse Binary Representations of Cyber-Physical Signatures
Entropy, 2020 Increased data acquisition by uncalibrated, heterogeneous digital sensor systems such as smartphones present new challenges. Binary metrics are proposed for the quantification of cyber-physical signal characteristics and features, and a standardized ...
Milton A. Garcés
doaj +1 more source
Geophysical Research Letters, 2023 Water discharges at hydroelectric dams on the Imjin River, which flows through North and South Korea, generate abrupt water level increases downstream. We assessed infrasound signals from water discharges using an infrasound array located ∼32 km from the
Il‐Young Che +4 more
doaj +1 more source
Atmosphere, 2021 Every day, about one thousand thunderstorms occur around the world, producing about 45 lightning flashes per second. One prominent infrasound station of the International Monitoring System infrasound network of the Comprehensive Nuclear-Test-Ban Treaty ...
Thomas Farges +5 more
doaj +1 more source
Acoustic Rocket Signatures Collected by Smartphones
SignalsRockets generate complex acoustic signatures that can be detected over a thousand kilometers from their source. While many far-field acoustic rocket signatures have been collected and released to the public, very few signatures collected at distances ...
Sarah K. Popenhagen, Milton A. Garcés
doaj +1 more source
Behavioral and Brain Functions, 2023 As a kind of environmental noise, infrasonic noise has negative effects on various human organs. To date, research has shown that infrasound impairs cognitive function, especially the ability for learning and memory.
Wei Zhang +7 more
doaj +1 more source
Mechanical Filter-Based Differential Pressure Fiber-Optic Fabry-Perot Infrasound Sensor
IEEE Photonics Journal, 2021 A differential pressure fiber optic infrasound sensor based on a mechanical filter was developed, for the detection of infrasound within the frequency range of 0.01--1 Hz.
Peng Zhang +9 more
doaj +1 more source
Effects of infrasound on the perception of a low-frequency sound
Acta Acustica, 2023 The study investigated the effects of an 8 Hz infrasound sinusoid, presented at a sensation level (SL) of 9 decibels (dB), on the detection of i) a 64 Hz pure tone and ii) an 8 Hz sinusoidal amplitude modulation imposed on a 64 Hz sinusoidal carrier ...
Friedrich Björn +3 more
doaj +1 more source
地质科技通报Objective Infrasound is an effective approach for debris flow warning. Traditional threshold-based warning methods focus solely on individual infrasound characteristics, which can lead to false alarms or missed detections.
Jiashuo YU +8 more
doaj +1 more source
Study on precursory characteristics of granite failure based on infrasonic energy
Results in Physics, 2017 To study signal characteristics of precursory infrasound of granite failure, coal-rock stress loading device and infrasound acquisition device were adopted to perform infrasound test in uniaxial loading process for granite samples.
Jian-ping Wei +3 more
doaj +1 more source