نتایج جستجو برای: relative intensity noise
تعداد نتایج: 736319 فیلتر نتایج به سال:
Introduction: exposure to noise pollution leaves Different effects on human. Goal in this Paper is the prioritizing methods of control and reduce noise pollution in Larestan cement Factory using analytical hierarchy process (AHP). Methods: For screening criteria and methods used in AHP technique, Delphi method was used. After polling of 15 experts, 8 criteria and 9 methods was selected from ...
Background & Aims: Noise pollution is becoming a severe issue for the patients admitted in intensive care units (ICUs). For the reduction of noise pollution in hospitals, researchers recommend proper training and adherence to protocols. The present study aimed to assess the effect of the training of nurses on the reduction of noise pollution in ICUs. Materials & Methods: This clinical trial wa...
Comparing Intensity Elicited Maximum Reflex Amplitude Between Noise Induced Hearing Loss & Acoustic Trauma at 1kHZ, Contralaterally, and Investigate Relationship Between Amplitude and Hearing Impairment
noise level intensity in cities, due to the daily increasing sources of noise producing agents in one respect, and the lack of noise absorbants in the other respect, is rising. the high influence of intense noises on the human body and mind are found to have detrimental effects. the ideal is to have an optimal condition of noise. in this paper the living and relaxing areas, in view of main acou...
Identifying acoustic sources in terms of their relative location is an important factor in active noise control. Traditional source localization measurements uses scalar pressure sensors which proved to be less accurate. Nehorai et al. proposed a different approach for source localization using vector natured acoustic intensity sensors. Four-dimensional (4-D) intensity based algorithm and three...
Measuring particle size distribution through calculating light scattering intensity is a typical inverse problem. This paper builds an inverse mathematical model based on Mie scattering, deduces the inversion formulas for particle size, and calculates the relative coefficients through programming with built-in functions in MATLAB. In order to improve the accuracy and noise immunity of particle ...
Semiconductor lasers are commonly used for storage and retrieval of information in optical data recording systems. A measure of the importance of this emerging optoelectronic technology is provided by the compact-disc players that have already penetrated the consumer electronics market. The same technique is now being extended to the mass storage devices capable of storing gigabytes of informat...
BACKGROUND Model-based iterative reconstruction (MBIR) reduces image noise and improves image quality (IQ) but its influence on post-processing tools including maximal intensity projection (MIP) and minimal intensity projection (mIP) remains unknown. PURPOSE To evaluate the influence on IQ of MBIR on native, mIP, MIP axial and coronal reformats of reduced dose computed tomography (RD-CT) ches...
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