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An endoscopic ultrasound-based interpretable deep learning model and nomogram for distinguishing pancreatic neuroendocrine tumors from pancreatic cancer
Published 2025-01-01“…The least absolute shrinkage and selection operator algorithm was employed to reduce the dimensionality of deep learning (DL) features extracted from pre-standardized EUS images. …”
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482
Implementation of a neural network model in the Statistica 12 for mudflow frequency forecasting
Published 2025-04-01“…A multilayer perceptron (MLP) was chosen as a neural network method, and a hyperbolic tangent (tanh) was used as an activation function. Based on deep learning algorithms, a mathematical model MPL 2-50-1 was developed, which is capable of learning on the used data (precipitation, temperature, number of mudflows for the period 1953-2015) and forecasting the number of mudflows based on the meteorological parameters (precipitation, temperature) entered into the model. …”
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483
Methods to Quantitatively Evaluate the Effect of Shale Gas Fracturing Stimulation Based on Least Squares
Published 2025-07-01“…Advanced global optimization algorithms, including the Levenberg-Marquardt method, were applied to effectively address this non-convex problem. 2) Active perforation assessment: A computational method was developed based on the fitted perforation friction coefficient and established perforation erosion equations. …”
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484
Open-Switch Fault Diagnosis for Grid-Tied HANPC Converters Using Generalized Voltage Residuals Model and Current Polarity in Flexible Distribution Networks
Published 2025-07-01“…The diagnosis of open-circuit (OC) faults in power switches is the premise for implementing fault-tolerant control, a critical aspect in ensuring the reliable operation of three-level hybrid active neutral-point-clamped (HANPC) converters in flexible distribution networks. …”
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485
A radiomics approach for predicting gait freezing in Parkinson’s disease based on resting-state functional magnetic resonance imaging indices: A cross-sectional study
Published 2026-04-01“…We used the least absolute shrinkage and selection operator algorithm to extract features and established feedforward neural network models based solely on resting-state functional magnetic resonance imaging indicators. …”
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486
Backstepping Predictive Direct Power Control of Grid-Connected Photovoltaic System Considering Power Quality Issue
Published 2024-02-01“…Processor in the Loop (PIL) co-simulation results prove the performances efficiency of the implemented control algorithms under a nonlinear load operating condition.…”
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487
Robust Framework for PMU Placement and Voltage Estimation of Power Distribution Network
Published 2025-01-01Get full text
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488
Assessment of <italic>L</italic>-Band Passive Microwave Soil Moisture Retrievals Against In Situ Measurements in the North American Boreal Biome
Published 2025-01-01“…Two missions with passive microwave radiometers operating at <italic>L</italic>-band (1–2 GHz) were launched to estimate SM at a global scale: soil moisture and ocean salinity (SMOS) launched in 2009 and soil moisture active passive (SMAP) launched in 2015. …”
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489
ANALYSIS OF GENERAL PLOW BODY TRACTIVE RESISTANCE
Published 2016-04-01“…Satellite monitoring and the fuel accounting is an urgent need for normal operation of motor transport. Introduction of a system activity with use of modern satellite technologies allows to lower transportation costs, to increase efficiency of use of agricultural machinery. …”
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Two-layer Optimization Scheduling for Off-grid Microgrids Based on Multi-agent Deep Policy Gradient
Published 2025-05-01“…To address the voltage limit violations and bidirectional power flow problems arising from high-penetration integration of distributed renewable energy, this paper proposes a two-layer active-reactive power cooperative optimization method to achieve cooperative optimal dispatch of active and reactive power in off-grid microgrids, ensuring the secure and stable operation of the system while enhancing operational economy. …”
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493
Voltage Support Capacity Improvement for Wind Farms with Reactive Power Substitution Control
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Analysis of signals from air conditioner compressors with ordinal patterns and machine learning
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