نتایج جستجو برای: intensity noise
تعداد نتایج: 368216 فیلتر نتایج به سال:
Static properties, relatively intensity noise and intensity modulation response in quantum cascade lasers (QCLs) studied theoretically in this paper. The present rate equations model consists of three equations for the electrons density in the conduction band and one equation for photons density in cavity length. Two equations were derived to calculate the noise and modulation response. Calcula...
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...
We have developed a new simulation methodology for predicting shot noise intensity in Metal-Oxide-Semiconductor Field Effect Transistor (MOSFET). In our approach, shot noise in MOSFETs is calculated by employing the two dimensional device simulator MEDICI in conjunction with the shot noise model of p-n junction. The accuracy of the noise model has been demonstrated by comparing simulation resul...
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