Results 11 to 20 of about 3,308 (257)

OPTIMIZATION OF THE ELECTRO-ACOUSTIC SPUTTERING PROCESS BY THE MICROHARDNESS CRITERION [PDF]

open access: yesAdvanced Engineering Research, 2010
Influence of acoustic parameters (amplitude of ultrasonic oscillations A (mcm), frequency of ultrasonic oscillations (Khz), and a corner between the axis of the wave guide and the vector direction of longitudinal-twisting oscillations (degrees)) process ...
D.N. MALEYEV   +2 more
doaj   +1 more source

Optimal Overall Dimensions of a Surface Acoustic Waves Ring Resonator [PDF]

open access: yesИзвестия высших учебных заведений России: Радиоэлектроника, 2023
Introduction. In previous works, the authors considered the frequency characteristics of sensitive elements made of various materials in the form of a ring resonator on surface acoustic waves (SAW), along with their fixing methods in the housing, the ...
S. Yu. Shevchenko, D. A. Mikhailenko
doaj   +3 more sources

Acoustic Coupling Quantification in Ultrasound-Guided Focused Ultrasound Surgery: Simulation-Based Evaluation and Experimental Feasibility Study [PDF]

open access: yes, 2020
Adequate acoustic coupling between the therapeutic transducer and the patient's body is essential for safe and efficient focused ultrasound surgery (FUS).
Cafarelli A.   +5 more
core   +1 more source

A Simple yet Effective Semi-Anechoic Chamber for the Acoustic Characterization of an LSRA [PDF]

open access: yes, 2013
This paper presents a simple and cost effective solution of a semi-anechoic chamber suitable for the acoustic noise characterization of a Linear Switched Reluctance Actuator (LSRA).
Salvado, José   +2 more
core   +1 more source

Analytical models of temporal characteristics of the intercepting speech information’s processes and monitoring the speech information’s protection from leakage through technical channels at informatization facilities

open access: yesИзвестия высших учебных заведений. Поволжский регион:Технические науки, 2022
Background. The object of the research is the interception of speech information’ processes by means of acoustic speech reconnaissance and the processes of monitoring its protection from such threats.
E.A. Man'kov
doaj   +1 more source

A direct comparison of sound and vibration as sources of stimulation for a sensory substitution glove

open access: yesCognitive Research, 2023
Sensory substitution devices (SSDs) facilitate the detection of environmental information through enhancement of touch and/or hearing capabilities. Research has demonstrated that several tasks can be successfully completed using acoustic, vibrotactile ...
Carlos de Paz, David Travieso
doaj   +1 more source

On probabilistic-physical and entropy approaches to combustion processes and determination of fire hazard

open access: yesБезопасность техногенных и природных систем, 2021
Introduction. The article provides an overview of the existing approaches to solving the problem of combustion of substances and materials, for their adequacy in determining their fire hazard of products and objects.
V. V. Belozerov
doaj   +1 more source

Epistemological Framework for Computer Simulations in Building Science Research: Insights from Theory and Practice

open access: yesPhilosophies, 2020
Computer simulations are widely used within the area of building science research. Building science research deals with the physical phenomena that affect buildings, including heat and mass transfer, lighting and acoustic transmission. This wide usage of
Amos Kalua, James Jones
doaj   +1 more source

Rhythmic stress in Ukrainian: Acoustic evidence of a bidirectional system [PDF]

open access: yes, 2017
Bidirectional stress systems with internal lapses are rare and their existence has been recently called into question (Newlin-Łukowicz 2012). The present paper reports an acoustic study of secondary stress in Ukrainian based on polysyllabic words with ...
BEATA ŁUKASZEWICZ, JANINA MOŁCZANOW
core   +1 more source

Measuring Torque and Temperature in a Rotating Shaft Using Commercial SAW Sensors

open access: yesSensors, 2017
Real-time monitoring of torque in a rotating shaft is not easy to implement with technologies such as optic fiber sensors or strain gages. Surface acoustic wave (SAW) sensors are wireless and passive and can be used to monitor strain in moving parts ...
Diogo Silva   +4 more
doaj   +1 more source

Home - About - Disclaimer - Privacy