نتایج جستجو برای: low amplitude records
تعداد نتایج: 1390847 فیلتر نتایج به سال:
abstract the present study was conducted to examine the effect of proficiency on students interaction while carrying out the grammar-based task(s) in collaboration. in particular, the study examines whether the level of proficiency affects the learners’ focus of attention to grammatical and lexical features. the study takes a further step and examines whether there is any difference in the use...
Aims and background: The aim of the present study was to compare the electromyography activity of the lower limb muscles during three different running patterns in pronated feet individuals with and without low back pain. Material and Methods: The present study was cross-sectional. 45 adult males (15 male with pronated feet, 15 male with both low back pain and pronated feet and 15 male with...
Overhead transmission lines are influenced by different factors which are mostly electrical and mechanical. These factors can cause problems for lines, distortions in network and outage of line. In designing transmission lines mechanical properties are evaluated after selecting a suitable conductor and clearance with regard to electrical properties. In lines designing, an important mechanical p...
damping of a full-scale cable with a pair of passive–on magnetorheological (mr) dampers was tested. a cable of 215.58m long with the first mode frequency of 0.658hz was tensioned horizontally in cable prefabrication factory. two mr dampers were attached to the cable in an angle in the plane perpendicularly to the cable axis in 5m length from the cable anchorage. the applied voltage level was 0v...
in many signal processing applications, an appropriate measure to comparetwo signals plays a fundamental role in both implementing the algorithm andevaluating its performance. several techniques have been introduced in literature assimilarity measures. however, the existing measures are often either impractical forsome applications or they have unsatisfactory results in some other applications....
based on the convolutional model, a seismic trace is the convolution of seismic source wavelet and reflection coefficient series of the earth. seismic source wavelet estimation is one of the most important stages in processing and interpretation of seismic data. accurate estimation of wavelet increases the efficiency of the deconvolution and temporal resolution of seismic data. on the other han...
INTRODUCTION: Measured low frequency fluctuations in resting state BOLD fMRI signals are correlated with spontaneous neuronal activity and abnormal fluctuation patterns have previously been reported in patients with schizophrenia (SZ). While there is a growing literature on abnormal resting-state dynamics in SZ, relatively little is known about the pathophysiology underlying particular symptoms...
Transverse momentum event–by–event fluctuations are studied within the string– hadronic model of high energy nuclear collisions, LUCIAE. Data on non–statistical pT fluctuations in p+p interactions are reproduced. Fluctuations of similar magnitude are predicted for nucleus–nucleus collisions, in contradiction to the preliminary NA49 results. The introduction of a string clustering mechanism (Fir...
We describe a preliminary set of security requirements for safe and secure next-generation medical systems, consisting of dynamically composable units, tied together through a real-time safety-critical middleware. We note that this requirement set is not the same for individual (standalone) devices or for electronic health record systems, and we must take care to define systemlevel requirements...
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