نتایج جستجو برای: relative intensity noise
تعداد نتایج: 736319 فیلتر نتایج به سال:
We examine the e ects of small white Gaussian noise perturbations on a harmonically forced Du ng oscillator. For speci c values of the parameters, the noise-free system admits two coexisting steady-state attractors. The presence of noise induces transitions from one attractor to the other, however small the noise intensity may be. As a rst step, the equation of motion is transformed into a syst...
Introduction: employees have a significant impact on the organization productivity and efficiency. On the other hand human performance may have effect by environmental conditions. The purpose of this research was to investigate the association between workplace environmental factors, mental fatigue, and worker performance in open plan offices. Material and Methods: This descriptive-analytical...
background and aim: speech understanding almost never occurs in silence. verbal communication often occurs in environments where multiple speakers are talking. in such environments, babbling noise masks speech comprehension. consonants, in comparison to vowels, are more sensitive to noise masking. consonants provide most acoustic information needed for comprehending the meaning of the word. sin...
Background and Aim: Noise induced hearing loss is one of the most common occupational diseases in the world. It is thus introduced as one of the ten principle work-related diseases. According to the estimation of WHO, noise approximately causes a daily loss of 4 million US dollars throughout the world. Materials and Methods: This cross-sectional and analytical study was carried out on 100 worke...
Abstract Echolocating bats adapt their emissions to succeed in noisy environments. In the present study we investigated if echolocating humans can detect a sound-reflecting surface presence of noise and intensity echolocation (i.e. clicks) changes systematic pattern. We tested people who were blind had experience echolocation, as well sighted no prior study. used an echo-detection paradigm wher...
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