Results 71 to 80 of about 640,363 (194)

Nonlinear dance motion analysis and motion editing using Hilbert-Huang transform

open access: yes, 2017
Human motions (especially dance motions) are very noisy, and it is hard to analyze and edit the motions. To resolve this problem, we propose a new method to decompose and modify the motions using the Hilbert-Huang transform (HHT). First, HHT decomposes a
Asai, Nobuyoshi   +2 more
core   +1 more source

Using Empirical Mode Decomposition (EMD) for the processing of marine MT data [PDF]

open access: yes, 2011
Magnetotelluric (MT) method determines a frequency dependent impedance tensor using the spectra of associated time-varying horizontal electric and magnetic fields measured at the Earth’s surface.
Chen, Jin   +3 more
core  

Audio encoding using Huang and Hilbert transforms

open access: yes, 2010
International audienceIn this paper an audio coding scheme based on the Empirical Mode Decomposition (EMD) in association with the Hilbert transform is presented.
Boudraa, Abdel-Ouahab   +4 more
core   +2 more sources

RESEARCH ON FAULT DIAGNOSIS METHOD OF ROLLING BEAR BASED ON SYMBOLIC ANALYSIS OF INTRINSIC MODE FUNCTION

open access: yesJixie qiangdu, 2016
A fault diagnosis method of the intrinsic mode components symbolic analysis is proposed on the basis of empirical mode decomposition. Firstly,the extension fault signal is decomposed into several intrinsic mode functions under different time scales with ...
HOU HePing, XU ZhuoFei, LIU Kai
doaj  

A Robust VMD-Based Modified Multivariable Output Error Statespace Method for Detection of Low-Frequency Oscillations From Noisy Signals of WAMS

open access: yesIEEE Access
A poorly damped set of power oscillations interconnected power systems may lead to system-wide breakups or considerably reduce the power transfer over critical channels and corridors.
Dinesh Shetty, Nagesh Prabhu
doaj   +1 more source

Behavior of the collective rotor in wobbling motion

open access: yes, 2018
The behavior of the collective rotor in wobbling motion is investigated within the particle-rotor model for the nucleus $^{135}$Pr by transforming the wave functions from the $K$-representation to the $R$-representation.
Chen, Q. B.   +3 more
core   +1 more source

Forecasting the Carbon Price Using Extreme-Point Symmetric Mode Decomposition and Extreme Learning Machine Optimized by the Grey Wolf Optimizer Algorithm

open access: yesEnergies, 2019
Due to the nonlinear and non-stationary characteristics of the carbon price, it is difficult to predict the carbon price accurately. This paper proposes a new novel hybrid model for carbon price prediction. The proposed model consists of an extreme-point
Jianguo Zhou   +3 more
doaj   +1 more source

Constructing finite dimensional codes with optical continuous variables

open access: yes, 2004
We show how a qubit can be fault-tolerantly encoded in the infinite-dimensional Hilbert space of an optical mode. The scheme is efficient and realizable with present technologies.
Mancini, S.   +3 more
core   +1 more source

Continuous variable encoding by ponderomotive interaction

open access: yes, 2005
Recently it has been proposed to construct quantum error-correcting codes that embed a finite-dimensional Hilbert space in the infinite-dimensional Hilbert space of a system described by continuous quantum variables [D. Gottesman et al., Phys. Rev. A 64,
Mancini, Stefano   +3 more
core   +1 more source

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