Noise level
Top PDF Noise level:
CLASSTALK SYSTEM FOR PREDICTING AND VISUALISING SPEECH IN NOISE IN CLASSROOMS
... in noise in ...and noise levels, and reverberation times, are ...ventilation-outlet, noise sources can have four output levels; values are assigned based on ranges of values found from published data ...
6
Reduction of the size of datasets by using evolutionary feature selection: the case of noise in a modern city
... When dividing the day is important to use time periods as small as possible to improve the accuracy of the evaluation of the sensed noise level. However, this critically increases the number of required ...
10
ANALYSIS AND DETECTABILITY IN URBAN ENVIRONMENTS OF AVAS FOR EVs AND HEVs
... low noise levels due to an approaching EV or HEV could be a danger to pedestrians and cyclists, especially for a particular sensitive population as elder and blind ...tyre/road noise, EV may generate a ...
8
Tourist Influence on Nightlife Noise
... In outline, Benidorm shows hotel occupancy and tourist apartment occupancy pattern in which 50% of visitors are foreign and 50% are from Spain. In certain periods, like Easter, the distribution is 40% foreign tourism and ...
10
TRAINING AN ANOMALOUS NOISE EVENT DETECTION ALGORITHM FOR DYNAMIC ROAD TRAFFIC NOISE MAPPING: ENVIRONMENTAL NOISE RECORDING CAMPAIGN
... traffic noise maps automatically upon the levels measured by a low cost sensors ...the noise level computation. To that end, an anomalous noise event detection algorithm based on supervised ...
8
A STUDY ON SIMULATION OF ENVIRONMENTAL RESIDUAL NOISE
... the length of sound path from the center of the road to the receiving point. Many previous studies demonstrated that Eq.(1) can predict the effect of wind on the road traffic noise when the road has straight and ...
6
Noise Mapping and Noise Quota Application to an Industrial Park
... for noise emission and propagation modelling, enable one to model, with good precision and in an effective way, the most complex situations of noise generation and propagation ...given noise ...
8
Effects of framing errors on the performance of molecular communications with memory
... like noise level, symbol error probability, packet delay or channel capacity, it is very important to accurately describe the dissemination process of a symbol, which is encoded as a group of molecules ...
12
ENVIRONMENTAL NOISE CONTROL IN THE PULP AND PAPER INDUSTRY
... band noise. The sound level spectra of the noise source must be known when silencers are ...the noise level requirements either absorptive or reactive silencers (resonators) are used, ...
6
GEOGRAPHIC INFORMATION SYSTEM FOR EVALUATION OF ROAD TRAFFIC NOISE ALONG THE ROAD
... which noise levels exceed environmental quality standards regarding the respective concerned ...the noise level can be estimated instead of actual measurement in case measurement is ...for ...
6
SPI - AN INDICATOR FOR ASSESSING TOTAL NOISE IMPACT
... the noise from each source into an equally annoying contribution from a reference ...total noise level, and the corresponding total annoyance score can be found: ...
5
OCCUPATIONAL NOISE EXPOSURE IN PORTUGAL
... including noise exposure, which was called National Occupational Exposure Survey (NIOSH, ...occupational noise exposure for some types of activities and industries (NIOSH, ...of noise exposed workers ...
6
Pantograph noise measurements in Madrid-Sevilla high speed train (AVE)
... aerodynamic noise generated in the train’s frame), and wheel (including all sources placed under the train’s ...individual noise contribution of each source for a train length of 0,7 ...
8
ULTRASONIC NOISE FROM ULTRASONIC DRILLS
... ultrasonic noise emission level, the drills are the second most important group after ...ultrasonic noise emission level of two types of ultrasonic drills, used for producing and renovation of ...
8
MODELLING AIRCRAFT NOISE INSIDE DWELLINGS
... A numerical model for the prediction of aircraft noise inside dwellings has been developed; based on a decoupled method mixing integral, modal and geometric approaches. A special formulation for the effect of a ...
6
RESULTS FROM IMPLEMENTATION OF THE NEW PORTUGUESE ENVIRONMENTAL NOISE REGULATION
... This last legislation was expected to be revised in a short period. However, only eleven years later, in 2000, a new legislation about environmental noise was published in Portugal. This legislation, the ...
5
AmplificadorOperacionalLowPowerAndLowNoise
... thermal noise equal to kT/C where k is Boltzmann’s constant, T is absolute temperature and C are capacitors charged by the switches (parasitics in the case of the chopper-stabilized ...
16
CAVITATION NOISE MODELING AND ANALYZING
... cavitation noise. Cavitation noise is carrying information about the oscillating bubbles and it should be possible, using a proper method of analysis, to extract this ...cavitation noise have been ...
5
Self-Adaptive Grids for Noise Mapping
... Note that the goal of this algorithm is to concentrate the computational effort near the noise isolines. But, it is not strictly necessary to make an uncertainty calculation. Skipping a buffer area near the ...
9
Noise Effects in Kerr Frequency Combs
... multiplicative noise and both static and spatio-temporal long wavelength perturbations produce homogeneous random excited ...multiplicative noise do not reproduce this result. A first claim is that additive ...
78