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1481
Spatiotemporal tensor analysis for effective information mining of hydraulic structures considering environmental excitation and vibration response
Published 2025-05-01“…Finally, the data from the sluice model experiment was used to demonstrate the validity of the method proposed in this paper. …”
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1482
Nested Pattern Detection and Unidimensional Process Characterization
Published 2024-09-01“…Developed tailored algorithms for identifying repeated sequences in the text are applied to decompose the text into nested tree-like structures of repeating symbols and is called the Nested Repeated Sequence Decomposition Model (NRSDM). The NRSDM is especially valuable for extracting repetitive behaviors in oscillatory but non-periodic and chaotic processes where the classical Fourier transform has limited application. …”
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1483
GLLR-HAD: Global-local low-rank integration for hyperspectral image anomaly detection
Published 2025-07-01“…Abstract Hyperspectral imaging (HSI), with its rich spectral and spatial information, offers unique advantages for anomaly detection. However, existing methods often struggle to simultaneously model global structures and local discriminative features, which hampers their ability to detect structural anomalies and adapt to spectral variability in complex scenarios. …”
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1484
Soil Particle Size Estimation via Optical Flow and Potential Function Analysis for Dam Seepage and Building Monitoring
Published 2025-05-01“…To address the limitations of the classical Horn and Schunck method, particularly its sensitivity to large displacements and brightness variations, we introduced a coarse-to-fine warping strategy, an image decomposition step to separate dominant structures from fine textures, and the Charbonnier penalty function. …”
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1485
Estimation of Canopy Water Content by Integrating Hyperspectral and Thermal Imagery in Winter Wheat Fields
Published 2024-11-01“…The results showed that canopy temperature parameters and spectral parameters responded significantly to water deficits in winter wheat. Using the CWT-SPA method, a total of 285 hyperspectral feature bands with wavelet decomposition scales ranging from one to eight were selected. …”
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1486
Acoustic Emission-Based Pipeline Leak Detection and Size Identification Using a Customized One-Dimensional DenseNet
Published 2025-02-01“…Effective leak detection and leak size identification are essential for maintaining the operational safety, integrity, and longevity of industrial pipelines. Traditional methods often suffer from high noise sensitivity, limited adaptability to non-stationary signals, and excessive computational costs, which limits their feasibility for real-time monitoring applications. …”
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1487
Analysis on the spatiotemporal pattern and driving force of the spatial deviation index of grain and economy in counties in China.
Published 2024-01-01“…Based on panel data from 2000 to 2019 covering 2018 county-level units in China, this study comprehensively investigated the spatial distribution, spatial differences, dynamic evolution of distribution, and driving factors of China's county-level spatial deviation index of grain and economy (SDIGE) using methods such as the standard deviation ellipse method, the three-stage nested decomposition of Theil index, kernel density estimation, and geographically weighted regression (GWR) model. …”
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1488
The impacts on population health by China's regional health data centers and the potential mechanism of influence
Published 2025-01-01“…The corrected concentration index was used to measure health inequality, while Wagstaff decomposition method was applied to examine the marginal influence of the policy effect on health inequality. …”
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1489
Synergistic Artificial Intelligence framework for robust multivariate medium-term wind power prediction with uncertainty envelopes
Published 2025-05-01“…The framework consists of three key components: an internal–external learning process, a vertical–horizontal learning process, and a residual-based robust forecasting method. The internal–external process combines Variational Mode Decomposition with a stacked N-BEATS model, achieving stable and accurate forecasts across nearly 200 time steps. …”
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1490
Transmission and Generation Expansion Planning Considering Virtual Power Lines/Plants, Distributed Energy Injection and Demand Response Flexibility from TSO-DSO Interface
Published 2025-03-01“…The column and constraint generation algorithm and duality-free decomposition method are adopted. Case studies using a Garver 6-node system and the IEEE RTS-GMLC were carried out to validate the model and evaluate the values and impacts of local flexibility on transmission system expansion. …”
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1491
Data-Driven Identification of Gas Turbine Engine Dynamics via Koopman Operator Genetic Algorithm
Published 2025-01-01“…Linear parameter-varying and bilinear Koopman models were considered. Extended dynamic mode decomposition was employed to obtain a finite-dimensional approximation of the operator. …”
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1492
State Identification of Charging Module Based on SN‐EMD‐SSEE and DBO‐HKELM
Published 2025-03-01“…To address this issue, this paper improved a new state identification method of charging module based on signal normalization (SN) which is specially designed, empirical mode decomposition (EMD), sequence signal entropy extraction (SSEE), hybrid kernel extreme learning machine (HKELM), and dung beetle optimization (DBO). …”
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1493
An End-to-End Relearning Framework for Building Energy Optimization
Published 2025-03-01“…Current approaches are limited: physics-based models are expensive and inflexible, while data-driven methods require extensive data collection and ongoing maintenance. …”
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1494
A novel approach to retrieving the surface soil freeze/thaw state in the Qinghai-Tibetan Plateau using the seasonality of CYGNSS time series
Published 2025-03-01“…This study presents a Seasonal-Trend Decomposition using Loess and Long Short-Term Memory (STL-LSTM) method to detect spatiotemporal variations in soil F/T on the QTP using time series data from the Cyclone Global Navigation Satellite System (CYGNSS). …”
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1495
Research on Deep Integration of the “Belt and Road” Aviation Network Based on Community Structure from the Perspective of China
Published 2023-01-01“…The key node identification model in the community is constructed, the hierarchy of each community network is analyzed using the k-core decomposition method, the core node set of the community network is found, the core boundary node set of four aviation community networks is identified, the core node set and core boundary nodes are analyzed repeatedly, and the key node set of the whole network is obtained. …”
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1496
Design and Research of Dual-Mode Power Generation Device Based on Improved Oscillating Buoy
Published 2024-11-01“…Then, the Froude–Krylov hypothesis method and the oscillating buoy body decomposition method were used to calculate the combined force in the vertical direction of the buoy, and combined with other forces, the maximum wave force on the buoy was determined. …”
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1497
Numerical Simulation of Diversion Tunnel Excavation Using GPU-Accelerated Anisotropic Random Fields
Published 2023-01-01“…With the MATLAB programming control be used to combine the advantages of GPU and CPU computing, the efficient method of generating large numerical model random fields is realized. …”
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1498
Stackelberg Game Based Power Control with Outage Probability Constraints for Cognitive Radio Networks
Published 2015-11-01“…Then, we apply the Lagrange dual decomposition method to solve this problem, and an efficient iterative algorithm is proposed to search the Stackelberg equilibrium. …”
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1499
Vibration Control of Fractionally-Damped Beam Subjected to a Moving Vehicle and Attached to Fractionally-Damped Multiabsorbers
Published 2013-01-01“…Three coupled second-order fractional differential equations are produced and then they are solved by combining the Laplace transform with the decomposition method. The obtained numerical results show that the dynamic response decreases as (a) the number of absorbers attached to the beam increases and (b) the damping-ratios of used absorbers and beam increase. …”
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1500
Root Crack Identification of Sun Gear in Planetary Gear System Combining Fault Dynamics with VMD Algorithm
Published 2021-01-01“…The experimental results show that the proposed dynamics model and VMD method are feasible; an error between the characteristic frequencies from the tested signal analysis and the theoretical calculation is less than 1%.…”
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