Results 41 to 50 of about 101,437 (150)

Verification of the CNOSSOS traffic noise prediction model – a case study

open access: yesArchives of Acoustics
Pursuant to Commission Directive (EU) 2015/996 of 19 May 2015, which establishes common methods for noise assessment under Directive 2002/49/EC of the European Parliament and of the Council, EU Member States have been required to use the CNOSSOS method ...
Remigiusz Pyffel   +2 more
doaj   +1 more source

THE STATISTICAL METHOD FOR FINDING THE RESPONSE FOR N RANDOM EXCITATION OF THE INVERTED PENDULUM [PDF]

open access: yesFiabilitate şi Durabilitate, 2013
We present a method for estimating the power spectral density of the stationary response of oscillatorwith a nonlinear restoring force under external stochastic wide-band excitation.
Marinică STAN, Petre STAN
doaj  

InGaAs Diodes for Terahertz Sensing—Effect of Molecular Beam Epitaxy Growth Conditions

open access: yesSensors, 2018
InGaAs-based bow-tie diodes for the terahertz (THz) range are found to be well suited for development of compact THz imaging systems. To further optimize design for sensitive and broadband THz detection, one of the major challenges remains: to understand
Vilius Palenskis   +8 more
doaj   +1 more source

Facile integration of MoS2/SiC photodetector by direct chemical vapor deposition

open access: yesNanophotonics, 2020
The MoS2 photodetector on different substrates stacked via van der Waals force has been explored extensively because of its great potential in optoelectronics.
Xiao Yifan   +9 more
doaj   +1 more source

Mechanical and Electrical Noise in Sense Channel of MEMS Vibratory Gyroscopes

open access: yesSensors, 2017
This paper presents a theoretical analysis of mechanical and electrical noise in the sense channel of micro-electromechanical systems (MEMS) vibratory gyroscopes.
Xukai Ding   +3 more
doaj   +1 more source

Prediction Methods of Airborne Sound for Electric Locomotive Cabs

open access: yes机车电传动, 2015
Noise sources characteristics of electric locomotive cabs and sound insulation performance of its all walls were studied experimentally. Based on the sound power level equivalence principle, the sound power level of outdoor noise sources was equivalent ...
LIU Xiaobo, TAN Benxu
doaj  

Audible Noise Measurement and Analysis of the Main Power Apparatus in UHV GIS Substations

open access: yesMATEC Web of Conferences, 2016
Investigation of audible noise characteristics of the main power apparatus in UHV GIS substations provides essential statistics for the noise prediction and control.
Zhou Nian Guang   +3 more
doaj   +1 more source

SPECTRAL CHARACTERISTICS OF NOISE IN THE WORKERS OF MAIN DEPARTMENTS OF THE ENTERPRISES OF ALUMINIUM AND THERMAL POWER INDUSTRIES

open access: yesActa Biomedica Scientifica, 2013
The study of the spectral characteristics of noise levels in the workers of main departments of the enterprises of aluminium and thermal power industries had shown that equivalent sound levels in electrolysis shops at the workplaces of those engaged in ...
E. A. Panaiotti   +2 more
doaj  

A method for determining the equivalent level L_eg

open access: yesArchives of Acoustics, 2016
The constantly growing, traffic noise caused, among others, by the rapid development of motorization, is a considerable menace to the human environment.
Rufin MAKAREWICZ
doaj  

4-18 GHz Zero-Bias Asymmetrical Spacer Layer Tunnel Diode Detector [PDF]

open access: yesIranian Journal of Electrical and Electronic Engineering
An analysis of 6×6 µm2 GaAs/AlAs Asymmetric Spacer Layer Tunnel diode has been conducted to evaluate the DC and RF characteristics at different bias conditions.
Omar S Abdulwahid   +4 more
doaj  

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