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6761
Study on the Dynamic Magnification Effect of Structure Stiffness Based on the Gust Coupling Analysis of Civil Aircraft
Published 2025-01-01“…The response of flexible aircraft is nonlinearly related to frequency. It exhibits a significant increase in the inertial force and the aerodynamic force at higher frequencies, while a quasi-rigid response at very low frequencies shows the importance of sufficient analysis time. …”
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6762
Integrated Navigation Method of Aerospace Vehicle Based on Rank Statistics
Published 2023-01-01“…In combination with the rank filter algorithm as well as the determined weights, sampling points are calculated and nonlinearly propagated through the transition matrix to achieve an accurate estimation about the predicted values of the state quantities and measurement quantities and the covariance matrix. …”
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6763
ANALYSIS ON WHEEL-RAIL MATCHING CHARASTERISTICS OF HIGH-SPEED RAILWAY
Published 2022-01-01“…The equivalent conicity of S1002 G and the position of the contact points change nonlinearly in the narrower scope, which is harmful to uniform wear; the peak of the contact spot area at the nominal rolling circle position of the wheel tread is easy to form the concentrated abrasion. …”
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6764
Experimental Study on Unsteady Radon Exhalation from the Overburden Layer of the Uranium Mill Tailings Pond under Rainfall
Published 2022-01-01“…The results show that the radon concentration in the overburden layer of UMTs increases nonlinearly; the dynamic change in moisture content of the overburden layer on the beach surface leads to the unsteady radon exhalation. …”
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6765
Enhancement and Expansion of the Neural Network-Based Compact Model Using a Binning Method
Published 2024-01-01“…However, the ANN-based compact model using only one set of model parameters (global-ANN) requires larger model sizes to achieve wider coverage and higher accuracy in order to capture the unpredictable nonlinearities of emerging devices. This results in reduced simulation speed and a trade-off between simulation accuracy, model coverage, and simulation speed makes it difficult to utilize ANN-based compact models in a variety of ways. …”
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6766
A Novel Scheme for Construction of S-Box Using Action of Power Associative Loop and Its Applications in Text Encryption
Published 2024-01-01“…The practical importance of the S-box was further assessed by using a variety of criteria, including nonlinearity, strict avalanche criteria, bit independence criteria, differential probability, and linear approximation probability. …”
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6767
Numerical Investigation of Influences of Drilling Arrangements on the Mechanical Behavior and Energy Evolution of Coal Models
Published 2018-01-01“…When the drilling diameter, the number of drilling holes in one row, or the number of drilling rows increases, the bearing capacity of specimens nonlinearly decreases, but the energy dissipation index increases. …”
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6768
Networked Control System for the Guidance of a Four-Wheel Steering Agricultural Robotic Platform
Published 2012-01-01“…Even though the simplicity of the NCS solution developed, it also overcame some verified control challenges in the robot guidance system design such as the hydraulic system delay, nonlinearities in the steering actuators, and inertia in the steering system due the friction of different terrains.…”
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6769
Flexible Reconfiguration for Optimal Operation of Distribution Network Under Renewable Generation and Load Uncertainty
Published 2025-01-01“…The suggested optimization problem is solved using a metaheuristic approach based on the coati optimization algorithm (COA) due to the nonlinearity and non-convexity of the problem. To evaluate the performance of the presented approach, it is validated on the IEEE 33-bus radial system and TPC 83-bus real system. …”
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6770
Sparse Orthogonal Circulant Transform Multiplexing for Coherent Optical Fiber Communication
Published 2018-01-01“…It also shows a greatly reduced peak-to-average power ratio and higher tolerance to fiber nonlinearity than OFDM and OCDM. On the other hand, compared to DFT-S-OFDM, S-OCTM shows a better dispersion tolerance under insufficient length of cyclic prefix and is more tolerable to strong optical filtering. …”
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6771
Temporal Patterns of Shrub Vegetation and Variation with Precipitation in Gurbantunggut Desert, Central Asia
Published 2015-01-01“…The relationship between shrub vegetation and precipitation is one important component of desert vegetation responses to climate change, but it has not been understood completely because of its complexity and nonlinearity. In this study, we used MODIS NDVI data and precipitation data from 2004 to 2012 to evaluate the relationship between the shrub vegetation and precipitation within Gurbantunggut Desert, Central Asia. …”
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6772
Preliminary Analysis on the Global Features of the NCEP CFSv2 Seasonal Hindcasts
Published 2014-01-01“…Over the continents the largest biases in the nonlinearity of El Niño minus La Niña events are found over the eastern South Africa, part of Oceania, and central-southeastern parts of South America. …”
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6773
A Hybrid Fuzzy Wavelet Neural Network Model with Self-Adapted Fuzzy c-Means Clustering and Genetic Algorithm for Water Quality Prediction in Rivers
Published 2018-01-01“…In this work, a novel intelligent prediction model based on the fuzzy wavelet neural network (FWNN) including the neural network (NN), the fuzzy logic (FL), the wavelet transform (WT), and the genetic algorithm (GA) was proposed to simulate the nonlinearity of water quality parameters and water quality predictions. …”
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6774
Adhesion-induced roof collapse of a rectangular micro-groove under applied pressure
Published 2025-01-01“…Comparison of theoretical, numerical, and experimental results demonstrates that both size effect and constitutive nonlinearity of the stamp on the self-collapse contact width are not obvious for shallow grooves but become prominent for deep grooves, so that the obtained analytical solution is limited to shallow grooves due to its assumptions of half-plane and linear elasticity adopted for the stamp. …”
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6775
Fractional Partial Differential Equation: Fractional Total Variation and Fractional Steepest Descent Approach-Based Multiscale Denoising Model for Texture Image
Published 2013-01-01“…We know from previous studies that fractional-order calculus has some unique properties comparing to integer-order differential calculus that it can nonlinearly enhance complex texture detail during the digital image processing. …”
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6776
Semi-Autogenous Mill Power Consumption Prediction Based on CACN-LSTM
Published 2024-12-01“…Due to the complex and variable operating environment, the power consumption of the SAG mill has the characteristics of strong coupling of multiple factors, nonlinearity and uncertainty. In order to effectively extract the features that affect the mill power consumption prediction performance and dynamically adjust the weights of each feature, we propose a hybrid prediction model based on channel attention convolutional network (CACN) and long short-term memory (LSTM). …”
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6777
Collapse-Pounding Dynamic Responses of Adjacent Frame Structures under Earthquake Action
Published 2020-01-01“…The structure will collapse and impact the adjacent structures once the weak column is destroyed under seismic action, and, finally, the earthquake damage is aggravated. Material nonlinearity, initial imperfections, and contact problems in the process of collapse-pounding are considered, and the three-dimensional calculation model with unequal 8-story and 6-story height adjacent frames is established. …”
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6778
A Review of Numerical Techniques for Frictional Contact Analysis
Published 2025-01-01“…This review analyzes numerical techniques for frictional contact problems, highlighting their strengths and limitations in addressing inherent nonlinearities and computational demands. Finite element methods (FEM), while dominant due to versatility, often require computationally expensive iterative solutions. …”
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6779
Comparative Study of Seismic Behavior between Monolithic Precast Concrete Structure and Cast-in-Place Structure
Published 2018-01-01“…The distribution of seismic response presented linearity along the height of models in plastic stage and turned into nonlinearity later for severe damage. In general, the MPCS and CIPS had similar seismic responses, except typical characteristics. …”
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6780
Study on shear creep model of calcareous sand in China South Sea
Published 2025-01-01“…The results showed that the shear creep curve of calcareous sand exhibits nonlinearity with time, and can be divided into decelerated creep stage and stable creep stage; calcareous sand has different degrees of particle fragmentation during the shear creep test, and the degree of particle fragmentation is greater with the increase of the shear stress level. …”
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