نتایج جستجو برای: window analysis
تعداد نتایج: 2871707 فیلتر نتایج به سال:
Abstract—In signal processing, there are mainly two types of filters exist and the are Finite Impulse Response(FIR) filter and Infinite Impulse Response(IIR) filter. Finite Impulse Response(FIR) filter can be designed form Infinite Impulse Response(IIR) filter by various techniques. The widely used technique is the window technique. In this paper, the designing analysis of FIR filter are shown ...
MODerate resolution Imaging Spectroradiometer (MODIS) data are largely used in multitemporal analysis of various Earth-related phenomena, such as vegetation phenology, land use/land cover change, deforestation monitoring, and time series analysis. In general, the MODIS products used to undertake multitemporal analysis are composite mosaics of the best pixels over a certain period of time. Howev...
Analyzing large amounts of ordered data is a common task in research and industry. The usual ordering domain is time: Examples for time-ordered data are sensor data, communication network data, or financial data. Besides online monitoring, it is common to investigate patterns or special events in the data after capturing it. These analysis can traditionally be performed within Data Stream Manag...
The aim of this paper is to introduce a new methodology for the fault diagnosis of induction machines working in the transient regime, when time-frequency analysis tools are used. The proposed method relies on the use of the optimized Slepian window for performing the short time Fourier transform (STFT) of the stator current signal. It is shown that for a given sequence length of finite duratio...
The aim of this paper is to introduce a new methodology for the fault diagnosis of induction 15 machines working in transient regime, when time-frequency analysis tools are used. The proposed 16 method relies on the use of the optimized Slepian window for performing the short time Fourier 17 transform (STFT) of the stator current signal. It is shown that for a given sequence length of finite 18...
Abstract Creating suitable classrooms that can meet the educational needs of mentally-retarded students is vitally important. The present study explores the effect of three physical characteristics of classroom environment on the creativity of educable mentally-retarded children: window view, window size, and classroom size. The participants, one hundred 9-to-11-year-old girl students, took th...
Introduction: Scatter radiation is one of the major sources of error in nuclear medicine data processing. Different methods of scatter correction have been introduced in order to improve the quality of data. However the best method is to avoid recording of scatter photons in acquisition. The only difference between scattered and non-scattered photons is the energy. Pulse height analyzer i...
dehbid mylonite nappes associated with the tutak gneiss dome as the zagros hinterland involved-basement window in the zagros orogenic belt has significant components of dextral sense of shear along the mylonite nappes and are related to the high proportion of simple shear relative to pure shear deformation. kinematic vorticity analysis (wk) was made in order to determination of relative amounts...
background and aim: foundations and mechanisms of auditory scene analysis (asa) including segregation and integration were especially reviewed in the study. i focused on the related studies using event-related potentials (erps). recent findings: publications on asa using erps from 1971 to 2014 indicate neural mechanisms of asa in central auditory system. conclusion: asa results in recognition o...
BACKGROUND The period in each menstrual cycle during which sexual intercourse can result in conception is called the "fertile window". Although the fertile window closes on the day of ovulation, little is known about the moment it opens. We defined the first day of normal sperm-mucus interaction as the opening of the fertile window. We hypothesized that length of the fertile window varies betwe...
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