Results 121 to 130 of about 429,289 (315)
Correction of CCD noise in light field distribution measurement
, 2011 To suppress the influences aroused by CCD noise in measuring laser near field distribution, the paper proposes a method to correct CCD noise using a priori knowledge of CCD noise and its observed value based on contrast test model.
DaZhengshang +7 more
core
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective To clarify the clinical relevance of dopamine transporter single‐photon emission computed tomography (DAT‐SPECT) abnormalities in amyotrophic lateral sclerosis (ALS), with a prespecified focus on sex‐stratified associations with disease progression and short‐term prognosis.
Tomoya Kawazoe +7 more
wiley +1 more source
Mechanical Vibration and Noise Measurement on Thermal Fogger Machine Type TS-35A (E)
, 2012 The high utilizing of thermal fogger machine in agriculture is giving an impact for operator’s health and comfortness. This is because of mechanical vibration and noise level which produced by thermal fogger machine disturbing operator activity ...
Permana, Aris Adhi
core
Noise prediction and measurement from construction sites [PDF]
, 2014 Construction industry is one of the contributors to economic growth and it has the highest tendency to generate noise. Construction noise becomes one of the main sources of noise pollution which affect the public and construction workers.
Darus, Nadirah
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An Improved Method for InP HEMT Noise-Parameter Determination Based on 50-Ω Noise Measurements
IEEE Journal of the Electron Devices SocietyIn this paper, we propose an improved method for extracting the four noise parameters of InP HEMT devices based on a 50- $\Omega $ noise measurement system. The noise equivalent circuit and noise correlation matrix technique is combined with 50- $\Omega
Yuanting Lyu +3 more
doaj +1 more source
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Neurochemical levels measured by brain MR spectroscopy (MRS) have been proposed as endpoints for clinical trials in early‐stage spinocerebellar ataxia (SCA) trials. We tested their trial‐readiness by quantifying neurochemicals in three affected brain regions in early‐stage cohorts of SCA2 and SCA3, examining their reproducibility in ...
James M. Joers +19 more
wiley +1 more source
The UK Aircraft Noise Index Study: 20 Years on. [PDF]
, 2004 In the early 1980s the UK Department of Transport (now the Department for Transport: DfT is used here to cover all its incarnations) commissioned a study to determine what index should be used to assess aircraft noise disturbance near major airports ...
Brooker, Peter
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Influence of measurement time on acoustic noise uncertainty
, 2017 In the paper the influence of the measurement time on the measurement uncertainty of environmental noise is explored. An original procedure based on a bootstrap method is introduced to determine the minimum measurement time, which takes into account the ...
Russo, Domenico +11 more
core +1 more source
IEEE AccessOne of the threats to industrial unmanned aerial vehicles (UAVs), which require a high level of safety, is the degradation of control wireless communication performance due to electromagnetic interference.
Koh Watanabe +8 more
doaj +1 more source
T1 Over Squared Proton Density Ratio to Characterize Multiple Sclerosis Lesions
Annals of Clinical and Translational Neurology, EarlyView.ABSTRACT Objective Differentiating remyelinated from demyelinated lesions in MS remains challenging without histological confirmation. This study introduces the T1‐to‐PD2 ratio (TPR) imaging approach and evaluates its ability to characterize MS lesions alongside other quantitative MRI (qMRI) metrics. Methods Thirty individuals with MS (mean age: 47.5 ±
Sarah J. Wright +10 more
wiley +1 more source