نتایج جستجو برای: based root mean square rms amplitude

تعداد نتایج: 3616510  

Journal: :Lubrication science 2023

Abstract A numerical method is proposed to evaluate the effect of non‐Gaussian roughness on point contact elastohydrodynamic lubrication (EHL). mixed EHL model contact, considering roughness, developed. The oil film pressure in was controlled by Reynolds equation average flow, and asperity obtained rough surface micro‐contact model. influence parameters distribution, thickness profile ratio loa...

2012
Ji-Won Kim Yu-Ri Kwon Sang-Hoon Park Gwang-Moon Eom Seong-Beom Koh Ji-Wan Jang Hye-Mi Lee

The purpose of this study is to investigate whether medication and deep brain stimulation (DBS) have differential effects on the speed and amplitude of bradykinesia in patients with Parkinson's disease (PD). Five PD patients with implanted DBS electrodes (age: 60.6 ± 7.4 yrs, H&Y stage: 3.1 ± 0.2) participated in this study. FT (finger tapping) movement was measured using a gyrosensor system in...

Journal: :American journal of physiology. Heart and circulatory physiology 2006
Jeffrey J Goldberger Francis Kiet Le Marc Lahiri Prince J Kannankeril Jason Ng Alan H Kadish

The objective of this study was to evaluate whether heart rate variability (HRV) can be used as an index of parasympathetic reactivation after exercise. Heart rate recovery after exercise has recently been shown to have prognostic significance and has been postulated to be related to abnormal recovery of parasympathetic tone. Ten normal subjects [5 men and 5 women; age 33 +/- 5 yr (mean +/- SE)...

Journal: :AIP Advances 2021

Thoroughly understanding the dynamic behavior of two-dimensional molybdenum disulfide (MoS2) is extremely important to MoS2-based nanoelectromechanical device. In this paper, circular Mindlin plate model (CMPM) proposed investigate temperature-induced vibration single-layered MoS2 (CSLMoS2). When size CSLMoS2 very small, natural frequencies calculated by CMPM are closer molecular (MD) simulatio...

2014
CL Pollock TD Ivanova MA Hunt SJ Garland

22 23 Abbreviations: kg, kilogram; COM, center of mass; APCOP, anterior-posterior center of pressure; 24 EMG, electromyography; LOS, limits of stability; GM, medial gastrocnemius; SOL, soleus; RF, rectus 25 femoris; BF, biceps femoris; LES, lumbar erector spinae; TA, tibialis anterior; ISI, interspike interval; 26 RMS, root mean square; CV, coefficient of variation; IQR, interquartile range; PI...

Journal: :IEEE Trans. Information Theory 1991
Roger S. Cheng Sergio Verdú

Continuous-time additive white Gaussian noise channels with strictly time-limited and root-mean-square (RMS) bandlimited inputs are studied. RMS bandwidth is equal to the normalized second moment of the spectrum, which has proved to be a useful and analytically tractable measure of the bandwidth of strictly time-limited waveforms. The capacity of the single-user and two-user RMS-bandlimited cha...

2014
Madhurima Dhara Antonio Yarzagaray Yvonne Schwarz Soumyajit Dutta Chad Grabner Paanteha K. Moghadam Anneka Bost Claudia Schirra Jens Rettig Kerstin Reim Nils Brose Ralf Mohrmann Dieter Bruns

Abbreviations used in this paper: ANOVA, analysis of variance; ChrgA, chromogranin A; CM, membrane capacitance; Cpx, complexin; dko, double ko; EB, exocytotic burst; ko, knockout; MDis, median distance; NMJ, neuromuscular junction; NP, nitrophenyl; rms, root–mean–square; RRP, readily releasable pool; SR, sustained rate; SRP, slowly releasable pool; SybII, synaptobrevinII; Syt, synaptotagmin; wt...

2003
T. Gleissner J. Wilms K. Pottschmidt P. Uttley M. A. Nowak R. Staubert

We study the long term evolution of the relationship between the root mean square (rms) variability and flux (the " rms-flux relation ") for the black hole Cygnus X-1 as monitored from 1996 to 2003 with the Rossi X-ray Timing Explorer (RXTE). We confirm earlier results by Uttley & McHardy (2001) of a linear relationship between rms and flux in the hard state on time scales > 5 s reflecting in i...

2010
Mohammad Alasti Majid Haghjoo Abolfath Alizadeh Mohammad Hossein Nikoo Hamid Reza Bonakdar Bita Omidvar Ali Kharazi Bahman Cheraghian

AIMS Signal averaged electrocardiography is a noninvasive method to evaluate the presence of the potentials that are generated by tissues, activated later than their usual timing in the cardiac cycle. The purpose of this study was to demonstrate the correlation of data obtained via signal averaged electrocardiography and left ventricular dyssynchrony. METHODS We included the patients with adv...

Journal: :IEEE Trans. Vehicular Technology 2001
Mercedes Sánchez Varela Manuel García Sánchez

A study of time dispersion in different indoor line-ofsight radio channels in the 492–862 MHz band is presented in this paper. A combined method to filter the noise in the measured impulse response is described. The effect of frequency windowing on the impulse responses and the root mean square (rms) delay spread is also investigated. It has been found that, in general, the use of windows with ...

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