Results 81 to 90 of about 49,831 (187)

Are Trump and Bitcoin Good Partners?

open access: yes, 2017
During times of extreme market turmoil, it is acknowledged that there is a tendency towards "flight to safety". A strong (weak) safe haven is defined as an asset that has a significant positive (negative) return in periods where another asset is in ...
Bouoiyour, Jamal, Selmi, Refk
core  

On the Use of Ensemble Empirical Mode Decomposition for the Identification of Bridge Frequency from the Responses Measured in a Passing Vehicle

open access: yesInfrastructures, 2019
In this paper, ensemble empirical mode decomposition (EEMD) and empirical mode decomposition (EMD) methods are used for the effective identification of bridge natural frequencies from drive-by measurements.
Licheng Zhu, Abdollah Malekjafarian
doaj   +1 more source

Ensemble All Time-Scale Decomposition Method and Its Application in Bevel Gear Fault Diagnosis

open access: yesSensors
All time-scale decomposition (ATD) is a non-parametric adaptive signal decomposition method, which relies on zero-crossing points and extreme points to jointly construct the baseline, achieving the suppression of modal mixing caused by the proximity of ...
Zhengyang Cheng   +4 more
doaj   +1 more source

An Ensemble Empirical Mode Decomposition Approach for Voltage Sag Detection in a Smart Grid Context

open access: yes, 2013
International audienceSmart grids have become a focal point in renewable energy source researches. Sustainability and viability of distributed grids are highly dependent on the reduction of the operational and maintenance costs. The most efficient way of
Amirat, Yassine   +3 more
core   +1 more source

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