نتایج جستجو برای: fractional bias (fb)
تعداد نتایج: 175044 فیلتر نتایج به سال:
This paper conducts a comparison study using KES-FB and PhabrOmeter to measure 58 selected warp knitted fabric hand properties. Fabric samples were selected and measured by both KES-FB and PhabrOmeter. Results show differences between these two measurement methods. Smoothness and stiffness values obtained by KES-FB were found significant correlated (p value = 0.003 and 0.022) to the PhabrOmeter...
We report on about 4 hrs of observations made with the Rossi X-ray Timing Explorer on 1997 May 2 of the lowmass X-ray binary and Z source GX 349+2 (Sco X-2). Initially the source was in the normal branch (NB), later it moved to the flaring branch (FB). In the NB the power spectra reveal a broad (FWHM∼16 Hz) noise component peaking near 9 Hz, with a fractional rms amplitude of ∼3% (2–30 keV). Th...
Let Ω be a C2-bounded domain of Rd, d = 2, 3, and fix Q = (0, T )×Ω with T ∈ (0,+∞]. In the present paper we consider a Dirichlet initial-boundary value problem associated to the semilinear fractional wave equation ∂α t u + Au = fb(u) in Q where 1 < α < 2, ∂α t corresponds to the Caputo fractional derivative of order α, A is an elliptic operator and the nonlinearity fb ∈ C1(R) satisfies fb(0) =...
In image classification, debiasing aims to train a classifier be less susceptible dataset bias, the strong correlation between peripheral attributes of data samples and target class. For example, even if frog class in mainly consists images with swamp background (i.e., bias aligned samples), debiased should able correctly classify at beach conflicting samples). Recent approaches commonly use tw...
The DAUMOD model is a simple urban scale atmospheric dispersion model which was originally developed to estimate inert air pollutant ground-level background concentrations resulting from a great number of area emission sources. The model has been tested against observations from Buenos Aires and different cities of Europe and the US, and has been extensively used during the past two decades to ...
We derive a fractional reaction–di usion equation from a continuous-time random walk model with temporal memory and sources. The equation provides a general model for reaction–di usion phenomena with anomalous di usion such as occurs in spatially inhomogeneous environments. As a rst investigation of this equation we consider the special case of single species fractional reaction–di usion in one...
The main purposes of a transformerless grid-connected photovoltaic (PV) system consist of the reduction of leakage current, extraction of maximum power point (MPP), tracking of MPP (MPPT), controlling the active and reactive powers, and having the unity power factor. To achieve the above-mentioned aims, the following actions have been performed in this paper. First of all, a brief analysis of t...
The aim of this paper is to deduce a discrete version of the fractional Laplacian in matrix form defined on the 1D periodic (cyclically closed) linear chain of finite length. We obtain explicit expressions for this fractional Laplacian matrix and deduce also its periodic continuum limit kernel. The continuum limit kernel gives an exact expression for the fractional Laplacian (Riesz fractional d...
The purpose of this study was to examine the validity of HR measurements by two commercial-use activity trackers in comparison to ECG. Twenty-four healthy participants underwent the same 77-minute protocol during a single visit. Each participant completed an initial rest period of 15 minutes followed by 5 minute periods of each of the following activities: 60W and 120W cycling, walking, jogging...
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