نتایج جستجو برای: تبدیل vmd
تعداد نتایج: 35902 فیلتر نتایج به سال:
The experience with deregulated electricity market has shown the increasingly important role of short-term electric load forecasting in the energy producing and scheduling. However, because of nonlinear, stochastic and nonstable characteristics associated with the electric load series, it is extremely difficult to precisely forecast the electric load. This paper aims to establish a novel ensemb...
Five generations of a family with autosomal dominant atypical vitelliform macular dystrophy (A-VMD) were studied. This dystrophy is similar to autosomal dominant Best's vitelliform dystrophy (B-VMD) but clinically more closely resembles sporadic pseudovitelliform macular degeneration (P-VMD). Of the family members who were 14 years or older 43 (24 females and 19 males) of the 101 at risk (43%) ...
In in vitro brain/spinal cord preparations from larval lamprey, locomotor-like ventral root burst activity can be initiated by pharmacological (i.e., "chemical") microstimulation in several brain areas: rostrolateral rhombencephalon (RLR); dorsolateral mesencephalon (DLM); ventromedial diencephalon (VMD); and reticular nuclei. However, the quality and symmetry of rhythmic movements that would r...
A Carbon Price Forecasting Model Based on Variational Mode Decomposition and Spiking Neural Networks
Abstract: Accurate forecasting of carbon price is important and fundamental for anticipating the changing trends of the energy market, and, thus, to provide a valid reference for establishing power industry policy. However, carbon price forecasting is complicated owing to the nonlinear and non-stationary characteristics of carbon prices. In this paper, a combined forecasting model based on vari...
An intelligent fault severity detection method based on variational mode decomposition- (VMD-) Wigner-Ville distribution (WVD) and sparrow search algorithm- (SSA-) optimized deep belief network (DBN) is suggested to address the problem that typical diagnostic algorithms are inappropriate for extremely comparable vibration signals when samples insufficient. VMD used process original signal obtai...
To efficiently extract the features of aeroengine intershaft bearing faults with weak signal, variational mode decomposition (VMD) method based on tolerant adaptive genetic algorithm (TAGA) (TAGA-VMD) is proposed by introducing idea tolerance into traditional in this paper. In method, was adopted to find optimum empirical parameters K and ? VMD. A fault simulation experiment system bearings bui...
It can be informative to view biological data, e.g., protein-protein interactions within a large complex, in a network representation coupled with three-dimensional structural visualizations of individual molecular entities. CyToStruct, introduced here, provides a transparent interface between the Cytoscape platform for network analysis and molecular viewers, including PyMOL, UCSF Chimera, VMD,...
Spectroscopy and predissociation dynamics of (H2O)2 and Ar-H2O are investigated with vibrationally mediated dissociation (VMD) techniques, wherein upsilon(OH) = 2 overtones of the complexes are selectively prepared with direct infrared pumping, followed by 193 nm photolysis of the excited H2O molecules. As a function of relative laser timing, the photolysis breaks H2O into OH and H fragments ei...
Different ways to express the vector meson dominance (VMD) assumption are examined by analysing a wide set of data. These data cover e + e − → π + π − and e + e − → µ + µ − cross sections, the I = l = 1 ππ phase shift and the near threshold predictions of chiral perturbation theory (ChPT). We find that, of the models 1 Permanent address. 2 Present address. considered here, only that proposed by...
Cameras mounted on vehicles frequently suffer from image shake due to the vehicles’ motions. To remove jitter motions and preserve intentional motions, a hybrid digital image stabilization method is proposed that uses variational mode decomposition (VMD) and relative entropy (RE). In this paper, the global motion vector (GMV) is initially decomposed into several narrow-banded modes by VMD. REs,...
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