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1161
Fault Diagnosis Method of Gear based on VMD and Multi-feature Fusion
Published 2017-01-01“…Then,the permutation entropy( PE) value and energy of the first four modes of high frequency is calculated. …”
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1162
Analyzing gravastar structure with the Finch-Skea metric in extended modified symmetric teleparallel gravity
Published 2025-02-01“…This work extensively explores crucial aspects such as energy distribution, proper length, energy conditions, entropy and the equation of state parameter. The model's stability is studied through the effective potential, redshift, causality conditions and adiabatic index. …”
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1163
Comprehensive Evaluation Model of Environmental Quality in Ecological Reserve
Published 2021-01-01“…This paper constructs the evaluation index system of the environmental quality of the ecological protection area and determines the classification standards of each index, proposes the extension evaluation method of the environmental quality of the ecological protection area, and uses the entropy weight method to determine the weight of each level of index. …”
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1164
Tracking of Gymnast’s Limb Movement Trajectory Based on MEMS Inertial Sensor
Published 2022-01-01“…Based on the two kinds of preprocessed data, the parameters such as sample mean, standard deviation, information entropy, and mean square error are calculated as classification features, the support vector machine (SVM) classification model is established, and the movements of six kinds of gymnastics are effectively recognized. …”
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1165
Evaluating the Connectivity and Imbalance Contribution of New Sections towards Highway Network: A Complex Network Perspective
Published 2023-01-01“…Furthermore, the connectivity evaluation based on the eigenvalue and the imbalance evaluation based on the entropy and Gini coefficient are conducted. Through the case study, the results of the model demonstrate the connectivity and imbalance contribution of new sections and provide a novel perspective for the feasibility study.…”
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1166
APPLICATION OF IMPROVED GWO-SVM IN WIND TURBINE GEARBOX FAULT DIAGNOSIS
Published 2021-01-01“…After the collection of Ensemble Empirical Mode Decomposition(EEMD), the fuzzy entropy of each eigenmode function component was calculated and the high dimensionality was constructed. …”
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1167
Preparation and Analytical Properties of Amphoteric Chelating Resin
Published 2008-01-01“…The thermodynamic parameters such as activation energy (Ea), entropy (S*), enthalpy (H*) and free energy (G*) for thermal decomposition were calculated from thermal data. …”
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1168
Exponential Self-Organization and Moore’s Law: Measures and Mechanisms
Published 2017-01-01“…In this sequence, order appears inside complex systems and randomness (entropy) is expelled to their surroundings. Key features of self-organizing systems are that they are open and they are far away from equilibrium, with increasing energy flows through them. …”
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1169
The Statistical Properties of the q-Deformed Dirac Oscillator in One and Two Dimensions
Published 2017-01-01“…Finally, for very small deformation η, we (i) showed the existence of well-known q-deformed version of Zitterbewegung in relativistic quantum dynamics and (ii) calculated the partition function and all thermal quantities such as the free energy, total energy, entropy, and specific heat. The extension to the case of Graphene has been discussed only in the case of a pure phase (q=eiη).…”
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1170
Automated Stellar Spectra Classification with Ensemble Convolutional Neural Network
Published 2022-01-01“…Then, according the cross-entropy testing error of the spectra at different signal-to-noise ratios, we integrate the results of different classifiers in an ensemble learning way to improve the effect of classification. …”
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1171
Thermodynamic bounce effect in quantum BTZ black hole
Published 2024-12-01“…It originates from the non-monotonicity of entropy in black hole thermodynamic systems. Furthermore, the overall thermodynamic picture of the qBTZ black hole has been obtained under different quantum backreactions.…”
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1172
Coupling Coordination of Water Governance and Tourism: Measurement and Prediction
Published 2020-01-01“…This study analyzes the correlation mechanism of the water governance-tourism system, constructs the composite and aggregated evaluation system which consists of 5 dimensions and 15 indicators, uses information entropy weight technique for order preference by similarity to an ideal solution method to evaluate the development degrees of both water governance and tourism growth of the 11 regions in the Yangtze River Economic Zone, analyzes the two subsystems’ relation of coupling coordination temporally and spatially with the coupling coordination degree model, predicts degrees of coupling coordination of the regions for the next 4 years with gray system prediction model, and proposes specific and generalizable countermeasures. …”
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1173
Complexity: Frontiers in Data-Driven Methods for Understanding, Prediction, and Control of Complex Systems 2022 on the Development of Information Theoretic Model Selection Criteria...
Published 2022-01-01“…In this work, the Akaike Information Criterion is reformulated with the help of purely information theoretic quantities, namely, the Gibbs-Shannon entropy and the Mutual Information. Systematic numerical tests have proven the improved performances of the proposed upgrades, including increased robustness against noise and the presence of outliers. …”
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1174
Equilibrium Isotherm Modeling, Kinetics and Thermodynamics Study for Removal of Lead from Waste Water
Published 2011-01-01“…Thermodynamic parameters such as ΔG°, ΔH° and ΔS°, related to Gibbs free energy, enthalpy and entropy were evaluated. It was concluded that, chemically treated palm oil fuel ash (POFA) can be used successfully for adsorption of Pb(II) from aqueous solution.…”
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1175
Connectomes as holographic states
Published 2025-01-01“…While the holographic states are dual to classical geometries, these connectome states represent classical topologies, which satisfy a discrete analog of the Ryu-Takayanagi formula and characteristic inequalities for the entanglement entropy. Generic states are linear combinations of connectomes, and the theory also has nonperturbative states which are global spacetime defects formed by a large number of quantum fluctuations. …”
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1176
Real-Time Detection of Application-Layer DDoS Attack Using Time Series Analysis
Published 2013-01-01“…In this paper, a novel approach to detect application-layer DDoS attack is proposed based on entropy of HTTP GET requests per source IP address (HRPI). …”
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1177
Topological defects in Floquet circuits
Published 2024-03-01“…We also present analytic expressions for the entanglement entropy after a single time step for a system of a few sites, for all of the above defect configurations.…”
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1178
A Fault Tolerance Optimization Model of the China Railway Geographic Network Topological Structure
Published 2015-01-01“…With degree distribution characteristics of the China Railway geographic network, an optimization model from macro to micro is established on the relative entropy. Firstly, Poisson distribution of the China Railway geographic network is verified and fitted. …”
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1179
Origin of Non-Gaussian Velocity Distribution Found in Freestanding Graphene Membranes
Published 2019-01-01“…Three methods are used and discussed, including the Fokker-Planck-Kolmogorov equation, the maximum nonsymmetric entropy principle, and the Bayesian inference. From these results, a physical mechanism is provided for the non-Gaussian velocity distribution in terms of carbon atom arrangement in freestanding graphene. …”
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1180
Study on Adsorption of Cu and Ba from Aqueous Solutions Using Nanoparticles of Origanum (OR) and Lavandula (LV)
Published 2018-01-01“…Langmuir and Freundlich models have been applied to describe the equilibrium data, and the thermodynamic parameters, the Gibbs free energy, ∆G°, enthalpy, ∆H°, and entropy, ∆S°, have been determined. The positive value of ∆H° suggests that the adsorption of heavy metals by the wild herbs is endothermic. …”
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