Results 11 to 20 of about 1,762,757 (234)
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
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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
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Auto clustering of the variety of pulse signals based on their symbolic description [PDF]
E3S Web of Conferences, 2019 In a number of applied studies of geophysics, medicine, cosmophysics, atomic physics and other fields of knowledge, useful information is often hidden in the character of the behavior of a stream of frequency modulated pulses, which are represented by a ...
Senkevich Yury
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An omega‐k algorithm for multireceiver synthetic aperture sonar
Electronics Letters, 2023 In this Letter, the authors present a novel imaging algorithm for multireceiver synthetic aperture sonar (SAS). The Loffeld's bistatic formula (LBF) including quasi‐monostatic (QM) and multireceiver deformation (MD) phases is first reformulated into ...
Xuebo Zhang, Peixuan Yang, Haixin Sun
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“Percolation” of acoustic wave in acoustic waveguide composed of two zero-index mediums
Results in Physics, 2021 The transmission property of acoustic wave in a waveguide composed of index-near-zero (INZ) and reciprocal-modulus-near-zero (RMNZ) has been investigated.
Yu-Feng Zhang +3 more
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Acta Acustica, 2022 The multilayer structure of surface acoustic wave sensor is an important development direction of surface acoustic wave devices in recent years. In this paper, the IDT/AlN/Mo/diamond structure of surface acoustic wave pressure sensing element is modeled ...
Ma Xiaoxin +3 more
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Materials Research Express, 2023 In this paper, we report bouncing and separating dynamic behaviors of a liquid metal droplet with/without the oxide layer in response to the applied acoustic wave.
Jinpyo Jeon +3 more
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Modified Green's Functions for Shallow Water Acoustic Wave Propagation [PDF]
, 2004 This article presents an assessment of alternative forms of the Green’s function for boundary element simulations of acoustic wave propagation in shallow water. It is assumed that the problem is two-dimensional, the source of acoustic disturbance is time-
Santiago, J A F S, Wrobel, L C
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The research of LWD acoustic isolator based on SAW spatial separation [PDF]
MATEC Web of Conferences, 2019 Acoustic logging while drilling (LWD) can extract P-wave and S-wave information from the formation. However, the transmission of the collar wave propagated directly from the emitter to the receiver may interfere with the P-wave and S-wave and affect the ...
Yang Peinian, Chen Dehua, Xiuming Wang
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Modernization of adaptive matching pursuit method to analyze geophysical signals of pulse nature
E3S Web of Conferences, 2018 The paper is devoted to the development and comparison of different numerical methods which increase the adaptive property and improve the accuracy of matching pursuit algorithm in connection to geoacoustic and electromagnetic signals.
Lukovenkova Ol’ga +3 more
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