نتایج جستجو برای: large and small signal analysis
تعداد نتایج: 17469687 فیلتر نتایج به سال:
the purpose of this study was to investigate the relationship between teachers’ class management practices with students’ self- regulated learning and academic self-efficacy. in this study relating to the management class, three dimensions, (training management, people management and behavior management) and three style (interventionist, interactionist and non-interventionist) was considered. r...
In this paper, we present an analytical model to analysis the kirk effect onstatic and dynamic responses of quantum well heterojunction bipolar transistor lasers(HBTLs). Our analysis is based on solving the kirk current equation, continuityequation and rate equations of HBTL. We compare the performance (current gain,output photon number and small signal modulation bandwi...
In analyzing a signal, especially a non-stationary signal, it is often necessary the desired signal to be segmented into small epochs. Segmentation can be performed by splitting the signal at time instances where signal amplitude or frequency change. In this paper, the signal is initially decomposed into signals with different frequency bands using wavelet transform. Then, fractal dimension of ...
Background: Estimation of cost functions is an appropriate tool for optimal resource allocation in hospitals. The present study aimed at estimating cost function for hospitals affiliated to Shiraz University of Medical Sciences. Materials & Methods: In the current cross-sectional study, inputs, costs and resources data for 28 hospitals were gathered from h...
terms of address as an important linguistics items provide valuable information about the interlocutors, their relationship and their circumstances. this study was done to investigate the change route of persian address terms in the two recent centuries including three historical periods of qajar, pahlavi and after the islamic revolution. data were extracted from a corpus consisting 24 novels w...
background: role of atherosclerosis in the pathogenesis of ischemic and hemorrhagic infarctions is still matter of debate. intima-media thickness (imt) of the common carotid artery (cca) and internal carotid artery (ica) are markers of atherosclerosis. the aim of this study was to compare cca imt and ica imt of patients with ischemic and hemorrhagic infarction. methods: two equal group...
The present study was conducted to assess effect of dung beetles function in the soil water infiltration performance on the part of rangeland of university of Sharekord in the form of a completely randomized design within one year. Therefore, the meshes consisted of both large and small size were used and filled with cattle, sheep and goat dung in six treatments (presence of dwellers, tunellers...
abstract nowadays, industries cannot play a crucial role in national and international competitions. the tourism industry is no exception. tourism industry development as the most important economic sector and income generation is one of the key challenges of economic development in the world. therefore, countries were successful that take advantage of the capabilities of tourism sector using ...
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