Sentences with phrase «noise sources»

She has over 16 years of project / program management and principle investigator experience involving the impacts of noise sources on marine animals.
There is no evidence that health or health - related effects from wind turbine noise would be any different to those from other noise sources at similar levels.
Background noise resulting from local winds and other noise sources, was shown to contribute to increases in low frequency noise that were comparable with, or higher than contributions from the wind farm.
It's surprisingly easy to find white noise sources, too.
Unlike other industrial noise sources, the noise level emitted by wind turbines is a function of wind speed.
In addition, seat her so that her better ear is closer to you, and avoid placing her near such noise sources in the classroom as the doorway or the heater.
These other two main noise sources are well controlled though, aided by the previously mentioned low - rolling resistance tyres and aerodynamic shape.
Wind turbines — low level noise sources interfering with restoration?
Therefore people are exposed to higher levels of wind farm noise than they would expect from other new industrial noise sources.
«We need to be much more aware of the impact that this noise might have on children,» Newman said, «and make a point of trying to turn off background television, background radio, background noise sources for at least some of the time when we're interacting with our children, to give them the best opportunity to learn from that input.»
Such an instrument performance budget is a necessity for both identifying the variety of noise sources currently limiting Doppler measurements, and estimating the achievable performance of next generatio... ▽ More We describe a detailed radial velocity error budget for the NASA - NSF Extreme Precision Doppler Spectrometer instrument concept NEID (NN - explore Exoplanet Investigations with Doppler spectroscopy).
The point of the «Stadium Wave» is that there is a somewhat predictable relationship between noise sources.
As a result, strategically placed seals, barriers and insulation material are used to eliminate noise paths and insulate passengers from noise sources.
Past research has assessed ocean noise sources individually.
The task of eliminating noise sources is sure to take several months, says Lisa Barsotti of the Massachusetts Institute of Technology in Cambridge, co-chair of the LIGO - Virgo Joint Run Planning Committee.
The Holometer team spent five years building the apparatus and minimizing noise sources to prepare for experimentation.
«The challenge here is managing noise sources that are coming from outside the protected area... however, our paper provides some really valuable information and options for managing noise and also enhancing opportunities to enjoy natural quiet.»
Here, we made the assumption of conditional independence for two reasons: (1) since our AN model had no correlated noise source, we wished to put the decoders from the three locations on an equal footing; (2) more importantly, ignoring noise correlations rendered inference far more tractable.
It was not until almost a decade later, however, that physicist Rainer Weiss of the Massachusetts Institute of Technology calculated in detail how interferometer - based detectors would perform, given all of the various noise sources they would have to overcome.
While military sonar systems and seismic airguns used in oil / gas exploration and scientific research have received considerable attention in the overall issue of noise impacts on marine life, less intense but far more widespread and chronically - present noise sources, particularly large commercial ships, have only recently begun to be specifically considered.
We first generate a stellar field with planetary companions based on radial velocity discoveries, use a planetary evolution model assuming a variable fraction of heavy elements to compute the characteristics of transit events, then apply a detection criterion that includes both statistical and red noise sources.
And according to a study, one in five US schools has poor indoor environmental quality including high temperatures and humidity, air quality with high concentrations of various pollutants, exposure to loud noise sources, and inadequate lighting, all of which have been shown to negatively affect children's health and behaviour, and in turn, their academic performance.
These disturbances can be reduced if new schools are located away from permanent external noise sources, and by optimising insulation in existing schools to reduce noise levels.
«School facilities should be sited and designed to isolate inside learning spaces from outdoor transportation noise sources,» the guide says.
At motorway speeds, the side mirrors are the largest noise source.
Aerodynamic work was conducted with both computational fluid dynamic (CFD) analysis and wind tunnel evaluation to identify noise sources, assist designers to create appropriate design elements and prove countermeasures.
NVH performance, especially the exterior drive - by noise, is dramatically improved by using experimental methods such as Reciprocal Holography (to visualise noise reduction levels at certain frequency) and ADNA (Advanced Diagnostic Network Algorithm) to rank noise sources in the order of their identified transfer paths.
The new acoustic package in i40 utilises materials such as air permeable carpet, sound absorbing layers for engine - room encapsulation, and textile wheel - arch liners to absorb noise sources from engine, road, and muffler, providing a 20 % improvement in interior noise levels and a reduction in outside engine noise when idling (compared to an i40 without these features).
Dr Laurie then collects and collates pieces of information given to her by people reporting changes to their health after wind turbines and other industrial noise sources begin operating in their vicinity, looking for similarities and patterns which give important clues as to direct causation.
The simplest is simply to scale a known noise source, time - shift it by N months (or M years for annual data), and minimize the resulting residuals.
Be sure to place the white noise source at a distance from the crib and ensure that it's around 50 - 60 dB (the latter is the level considered safe for nurseries in hospitals).
Expecting a person to investigate every possibility of noise sources is not a requirement to protect a person.
What are the best white noise sources?
«Although mitigation measures would be investigated and provided based on final site and equipment design, the addition of the noise source at pump stations would be an unavoidable adverse impact,» Pilgrim officials wrote.
I left the original post intact, because it may still be worthwhile to eliminate the serpentine belt and pulleys as a noise source.
Already lauded for its quiet ride, the Legacy moves another step up in cabin comfort for 2018 with further reductions from all noise sources.
As a scientist or engineer, I wouldn't measure an electrical signal that was connected to a capacitor and noise source.
However, the pendulum driven by the airflow is not an oscillator (assuming the swing of the pendulum doesn't change the coupling of the paddle to the airflow); it's a noise source, with the high and low frequency components filtered out by the pendulum.
A few extracts give the flavour: «the degree of annoyance is only slightly related to noise level»; «the fact that someone was complaining was mainly determined by the personality of the individual»; «fear of the noise source can increase annoyance»; and «adverse feelings... were influenced by feelings of lacking control, being subjected to injustice, lacking influence, and not being believed».
Responsibilities include site surveys for ventilation, air quality, noise sources / personal dosimetry, and DOEHRS data entry.
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