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6261
Multi-Source, Fault-Tolerant, and Robust Navigation Method for Tightly Coupled GNSS/5G/IMU System
Published 2025-02-01“…Compared with standard Kalman filtering (EKF) and advanced multi-rate Kalman filtering (MRAKF), the proposed algorithm achieved 28.3% and 53.1% improvements in its <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>1</mn><mi>σ</mi></mrow></semantics></math></inline-formula> error, respectively, significantly enhancing the accuracy and reliability of the multi-source fusion navigation system.…”
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6262
Energy-Efficient Resource Allocation for Near-Field MIMO Communication Networks
Published 2025-07-01“…A low-complexity optimization algorithm is proposed to realize the joint optimization of power and antenna number. …”
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6263
A new method for determining factors Influencing productivity of deep coalbed methane vertical cluster wells
Published 2024-12-01“…This method leverages the advantages of multiple machine-learning algorithms, demonstrating strong operability and improving the accuracy of CBM dynamic predictions. …”
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6264
Simulation and test study of transmission characteristics of V-shaped rubber belt CVT
Published 2025-06-01“…ObjectiveThe dynamic matching problem of continuously variable transmission (CVT) with the engine and Baja racing car was subjected to research analysis.MethodsThe parameters of key components of CVT were first optimized by genetic algorithm in Matlab software, then the dynamic modeling and simulation of CVT and the whole vehicle were carried out in Matlab/Simulink and RecurDyn, and finally the vehicle test was carried out on the chassis dynamometer.ResultsThe results of modeling simulation and vehicle test show that the dynamic index of Baja racing car is significantly improved after the optimization of the parameters of key components of CVT. …”
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6265
Predicting the Remaining Useful Life of an Aircraft Engine Using a Stacked Sparse Autoencoder with Multilayer Self-Learning
Published 2018-01-01“…However, the hyperparameters of the deep learning, which significantly impact the feature extraction and prediction performance, are determined based on expert experience in most cases. The grid search method is introduced in this paper to optimize the hyperparameters of the proposed aircraft engine RUL prediction model. …”
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6266
Communication resource allocation method in vehicular networks based on federated multi-agent deep reinforcement learning
Published 2025-08-01“…Finally, the global model parameters are fed back to the vehicles to further optimize the local resource allocation strategy, thus improving the system spectrum efficiency. …”
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6267
Research on caching strategy based on transmission delay in Cell-Free massive MIMO systems
Published 2021-12-01“…To meet the ultra-low latency and ultra-high reliability requirements of users in the future mobile Internet, the wireless caching technology was combined with Cell-Free massive MIMO systems.The caching model was designed based on AP cooperative caching and regional popularity evaluation.The transmission delay expression involving AP clustering, cooperative caching, and regional popularity was derived, and the content placement problem was expressed as total content transmission delay minimization.Through the demonstration of the NP-hard and submodular monotony of the optimization problem, the greedy algorithm-based optimization strategy was proposed.Simulation results show that the proposed strategy can effectively reduce the content transmission delay and improve the cache hit rate.…”
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6268
Underwater acoustic channel estimation method based on response generative network
Published 2025-04-01“…The input signal of the generative network was updated by a weight and bias update algorithm based on L1-regularized least squares. Finally, to address the instability of traditional deep learning models for underwater acoustic signals, a decomposed optimization algorithm based on Bures-Wasserstein objective function was proposed. …”
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6269
Predicting hydrocarbon reservoir quality in deepwater sedimentary systems using sequential deep learning techniques
Published 2025-07-01“…Three sequential deep learning models—Recurrent Neural Network and Gated Recurrent Unit—were developed and optimized using the Adam algorithm. …”
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6270
Deep learning-based prediction of individualized Real-time FSH doses in GnRH agonist long protocols
Published 2025-05-01“…Most existing models are limited to static predictions of initial doses and do not support real-time adjustments throughout stimulation. …”
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6271
Automatic Quality Assessment of Speech-Driven Synthesized Gestures
Published 2022-01-01“…At the same time, in terms of performance, the model has an improvement of about 20% compared to before the algorithm adjustment.…”
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6272
Analysis of IoT-Collected Radish Growth Data Using Deep Neural Networks
Published 2025-01-01“…The aim of this study was to apply genetic algorithm-based hyperparameter optimization (GA-HPO) to deep neural networks (DNNs) to classify an IoT-collected dataset on radish growth conditions, with the goal of identifying optimal growth parameters. …”
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6273
Free-form型机床切齿优化(二)——混合进化遗传算法
Published 2002-01-01“…The algorithm integrates the improved genetic algorithm and projection on parameter line, being able to search global optimal solution effectively. …”
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6274
Cost Index Predictions for Construction Engineering Based on LSTM Neural Networks
Published 2020-01-01“…This research extended current algorithm tools that can be used to forecast cost indexes and evaluated the optimization mechanism of the algorithm in order to improve the efficiency and accuracy of prediction, which have not been explored in current research knowledge.…”
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6275
Electric Submersible Pump Fault Diagnosis Based on Laplacian Eigenmaps and Weighted Extreme Learning Machine
Published 2024-04-01“…In response to the serious imbalance in the data collected by ESP, firstly, a fault diagnosis model is established using a weighted extreme learning machine; Then, to solve the problems of insufficient algorithm learning, high computational costs caused by weighted strategies, and poor performance in applying to high-dimensional feature spaces, the Laplacian eigenmaps method is introduced to further optimize the model; finally, the effectiveness of the proposed method was validated on the TE chemical process dataset, and the practicality of the algorithm was experimentally validated on the real-time fault dataset of electric submersible pump. …”
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6276
Energy-Efficient Layered Video Multicast over OFDM-Based Cognitive Radio Systems
Published 2015-10-01“…Meanwhile, the system EU obtained in our algorithms is greatly improved over traditional spectrum efficiency (SE) and energy efficiency (EE) optimization models.…”
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6277
Research on target localization and adaptive scrubbing of intelligent bathing assistance system
Published 2025-05-01“…The depth correction algorithm is designed to improve the depth accuracy of RGB-D vision sensors. …”
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6278
Research on axial compensation precision puncture control method of prostate puncture robot
Published 2025-03-01“…Then, an improved adaptive particle swarm optimization (PSO) algorithm based on Levy Flight is proposed to identify parameters of this control model for puncture prostate in this article. …”
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6279
Technical Code Analysis of Geomagnetic Flaw Detection of Suppression Rigging Defect Signal Based on Convolutional Neural Network
Published 2024-12-01“…The single-stage object detection algorithm YOLOv5 (You Only Look Once) based on convolutional neural network model calculation is used, the scale detection layer and positioning loss function of the YOLOv5 algorithm are improved and optimized, and the improved YOLOv5 algorithm is used for experiments. …”
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6280
Multi-Objective Technology-Based Approach to Home Healthcare Routing Problem Considering Sustainability Aspects
Published 2024-07-01“…<i>Methods</i>: The model was solved using a metaheuristic algorithm approach via the Ant Colony Optimization algorithm and the Non-Dominated Sorting technique due to the ability of such a combination to work out with dynamic models with uncertainties and multi-objectives. …”
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