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5481
Numerical Simulations of Transfer of Spatial Beam Aberrations in Optical Parametric Chirped-Pulse Amplification
Published 2018-01-01“…Moreover, the modulation amplitude became increasingly severe as the nonlinear length extended. In the absence of phase aberration in the initial input signal, the induced phase aberration in the output signal was assumed as the differential form of the pump beam phase. …”
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5482
Emergent Self‐Adaptation in an Integrated Photonic Neural Network for Backpropagation‐Free Learning
Published 2025-01-01“…Abstract Plastic self‐adaptation, nonlinear recurrent dynamics and multi‐scale memory are desired features in hardware implementations of neural networks, because they enable them to learn, adapt, and process information similarly to the way biological brains do. …”
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5483
Hybrid Adaptive Pinning Control for Function Projective Synchronization of Delayed Neural Networks with Mixed Uncertain Couplings
Published 2017-01-01“…The function projective synchronization of this model via hybrid adaptive pinning controls and hybrid adaptive controls, composed of nonlinear and adaptive linear feedback control, is further investigated in this study. …”
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5484
Antiferromagnetic semimetal terahertz photodetectors enhanced through weak localization
Published 2025-01-01“…Our study reveals that the interaction between antiferromagnetic magnetic moments and electron spin induces disordered carriers to hop between localized states, resulting in a nonlinear increase in responsivity as temperature decreases. …”
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5485
Research on Aircraft Attitude Control Method Based on Linear Active Disturbance Rejection
Published 2022-01-01“…Firstly, based on the nonlinear dynamic model of aircraft, the control system model with inner loop as angular velocity and outer loop as attitude angle is established. …”
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5486
A Float-Path Theory and Its Application to the Time-Cost Tradeoff Problem
Published 2015-01-01“…We discussed applications of the float-path theory and applied it to solve the time-cost tradeoff problem (TCTP), especially the nonlinear and discrete versions. We proposed a simplification from an angle of path as a preprocessing technique for the TCTP. …”
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5487
Stability of Reinforced Concrete Columns Subjected to Compression with Torsion under Accidental Action
Published 2024-09-01“…For the purposes of the study, an analytical solution is used for reinforced concrete bars, which takes into account the change in stiff-ness under the combined action of axial compressive force and torque, considering the nonlinear relationship between stresses and strains according to Model Code and the change in strength and deformability of concrete under complex stress-strain state according to the model of G.A. …”
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5488
A Location-Inventory-Routing Problem in Forward and Reverse Logistics Network Design
Published 2016-01-01“…Our objective is to minimize the total costs of manufacturing and remanufacturing goods, building DCs, shipping goods (new or recovered) between the manufacturer and opened DCs, and distributing new or recovered goods to customers and ordering and storage costs of goods. A nonlinear integer programming model is proposed to formulate the LIRP-FRL. …”
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5489
Modeling and Application of Process Damping in Milling of Thin-Walled Workpiece Made of Titanium Alloy
Published 2015-01-01“…The paper presents one nonlinear dynamic model considering process damping for milling of thin-walled workpiece made of titanium alloy and designs antivibration clearance angle to suppress chatter based on the model. …”
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5490
Parameter Sensitivity and Inversion Analysis for a Concrete Face Rockfill Dam Based on CS-BPNN
Published 2019-01-01“…Considering both the nonlinear mechanical behavior and long-term rheological deformation, the E-ν model and modified Burgers model are coupled to describe the deformation behavior of the rockfill materials. …”
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5491
Non-linear multi-objective optimization model of production planning based on fuzzy logic and machine learning
Published 2024-09-01“…This research introduces a nonlinear multi-objective optimization model that is designed to simultaneously optimize profit and customer satisfaction in production systems. …”
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5492
A Hybrid Model for Prediction in Asphalt Pavement Performance Based on Support Vector Machine and Grey Relation Analysis
Published 2020-01-01“…The study concluded that the nonlinear and multivariate prediction model established by GRA-SVR has higher precision and operability, which can be used in long-period pavement performance prediction.…”
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5493
Differential impact of TyG and TyG-BMI indices on short- and long-term mortality in critically ill ischemic stroke patients
Published 2024-12-01“…However, a significant nonlinear relationship was observed between the TyG index and long-term mortality. …”
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5494
Evaluation of Grey Relation between Chaotic Characteristic and Uncertainty of Rolling Bearing Vibration Performance
Published 2021-01-01“…The maximum value of entropy of each vibration sequence is solved by utilizing the maximum entropy method, so as to quantitatively analyze the uncertainty of bearing vibration performance. To analyze the nonlinear correlation degree between chaotic characteristics and uncertainty of bearing vibration performance, the grey relation analysis method is applied to calculate the grey confidence level between Hurst index and maximum entropy sequence after mean normalization. …”
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5495
Surface Design and Strength Analysis of Porous Linear Diaphragm
Published 2021-02-01“…The research shows that the axial stiffness of the porous linear diaphragm is smaller than that of the single-curvature diaphragm with the same diameter, which also shows nonlinear variation and is proportional to the thickness of the diaphragm. …”
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5496
Controllability design of a memristive hyperchaotic map and the construction of optical fiber secure communication system
Published 2024-04-01“…A discrete hyperchaotic map was constructed by introducing nonlinear feedback of the square memristor function, which has the properties of total amplitude control, partial amplitude control, and direct offset boosting of hyperchaotic sequences. …”
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5497
An Iterative Method for Solving of Coupled Equations for Conductive-Radiative Heat Transfer in Dielectric Layers
Published 2017-01-01“…The mathematical model for describing combined conductive-radiative heat transfer in a dielectric layer, which emits, absorbs, and scatters IR radiation both in its volume and on the boundary, has been considered. A nonlinear stationary boundary-value problem for coupled heat and radiation transfer equations for the layer, which exchanges by energy with external medium by convection and radiation, has been formulated. …”
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5498
Reconstruction of 3D Micro Pore Structure of Coal and Simulation of Its Mechanical Properties
Published 2017-01-01“…The numerical simulation study of reconstructed pore model shows that (1) the porosity and the compressive strength have obvious nonlinear relation and satisfy the negative exponential relation; (2) the porosity significantly affects the stress distribution; with the increase of micro porosity, the stress distribution becomes nonuniform; (3) the compressive failures of different models are mainly shear failures, and the shape of fracture section is related to porosity; (4) the variation of seepage coefficient of the pore reconstruction model is consistent with the development of micro cracks. …”
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5499
OPTIMIZATION OF MACHINING PARAMETERS BASED ON ADAPTIVE QUANTUM PARTICLE SWARM NETWORKS (MT)
Published 2023-01-01“…Particle swarm optimization(PSO) method and improved Elman network are combined to solve the nonlinear and multi-constraint problems of multi-objective NC cutting parameter optimization. …”
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5500
Vibration Characteristic Analysis of a Coupling System for Compound Biaxial and Inter-Shaft Bearings
Published 2022-01-01“…Based on the Runge-Kutta iterative method and Hamilton’s principle, the nonlinear amplitude-frequency response of the system is calculated while taking into account the influence of the compound biaxial eccentricity, as well as the stiffness and radial clearance of the inter-shaft bearing. …”
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