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301
A SAR wave-enhanced method combining denoising and texture enhancement for bathymetric inversion
Published 2025-05-01“…To address this, we propose a wave texture enhancement method to balance noise reduction and texture preservation. …”
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302
Time-Frequency Analysis and Neural Network-Based Multipath Mitigation Method for Precise Positioning
Published 2025-01-01“…Experiments conducted under challenging indoor conditions demonstrate an approximately 30% reduction in the positioning error after applying the proposed multipath mitigation methods.…”
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303
Channel estimation method of massive MIMO-OFDM system based on adaptive compressed sensing
Published 2021-09-01Get full text
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304
Channel estimation method of massive MIMO-OFDM system based on adaptive compressed sensing
Published 2021-09-01Get full text
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305
GDSMOTE: A Novel Synthetic Oversampling Method for High-Dimensional Imbalanced Financial Data
Published 2024-12-01“…The failure of distance measurement in high-dimensional space, error accumulation caused by noise samples, and the reduction of recognition accuracy of majority samples caused by the distribution of synthetic samples are the main reasons that limit the performance of current methods. …”
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306
A Hybrid Dropout Method for High-Precision Seafloor Topography Reconstruction and Uncertainty Quantification
Published 2025-05-01“…Compared to conventional dropout architectures, the proposed method achieves a PSNR increase of 46.5% to 60.5% in test regions with a marked reduction in artifacts. …”
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307
A Lightweight Design Method for Aviation Gear Web based on OptiStruct-Abaqus
Published 2019-07-01“…The actual optimal design results show that under the condition of guaranteeing strength and transmission error, the overall weight of the gear is reduced by 39.6%, and the effect of weight reduction is obvious, thus realizing the goal of gear lightweight design.…”
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308
An asymptotically unbiased 3D source localisation method based on frequencies and angles measurements
Published 2024-11-01“…To solve the above problem, a quadratic constraint on least squares minimisation is considered in the bias reduction method. Under moderate Gaussian noise, theoretical analysis and simulation results show that the root mean square error of proposed method can significantly reduce positioning deviation and asymptotically approach the Cramer–Rao Lower Bound. …”
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309
Navigation Decision-Making Method in Estuary Deep Trough with Varying Width of Navigable Waters
Published 2025-04-01“…In preset scenarios, the method proposed ensures all safe passage targets with adjustments of course 7° to starboard, course 2° to starboard with a telegraph order reduction to forward 1, course 5° to starboard with a telegraph order reduction to forward 1 at 241 s, 1 484 s, and 4 119 s respectively. …”
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310
Self-adaptive simulation method for natural gas pipeline considering temperature and pressure compensations
Published 2024-06-01“…Conclusion The proposed self-adaptive simulation method for natural gas pipelines considering temperature and pressure compensations, stands out for its stable algorithm, rapid error correction, and minimal convergence error. …”
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311
The Combination of Spectrum Subtraction and Cross-power Spectrum Phase Method for Time Delay Estimation
Published 2020-07-01“…In order to solve the problem of large error of delay estimation in low SNR environment, a new delay estimation method based on cross power spectral frequency domain weighting and spectrum subtraction is proposed. …”
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312
Method for suppressing range sidelobes of bistatic integrated sensing and communication signal based on LFM
Published 2025-06-01“…By employing performance metrics such as ambiguity function and bit error rate, and through comparative simulation analysis, the feasibility and effectiveness of the optimization methods were verified.…”
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313
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314
Advancing Metal Additive Manufacturing: A Review of Numerical Methods in DED, WAAM, and PBF
Published 2025-05-01Get full text
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315
Quantitative Method for Ultrasonic Testing of Lead Seal Defects in High Voltage Cable Accessories
Published 2025-01-01“…The findings reveal significant improvements over the traditional −6dB method: a 5% reduction in distance error, a 10% enhancement in defect size accuracy, and an overall accuracy rate exceeding 85%. …”
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316
Ionospheric Time Series Prediction Method Based on Spatio-Temporal Graph Neural Network
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317
An evaluation of multi-fidelity methods for quantifying uncertainty in projections of ice-sheet mass change
Published 2025-04-01“…The problem size and complexity were chosen to reflect the challenges posed by future continental-scale studies while still facilitating a computationally feasible investigation of MFSE methods. When quantifying uncertainty introduced by a high-dimensional parameterization of the basal friction field, MFSE was able to reduce the mean-squared error in the estimates of the statistics by well over an order of magnitude when compared to a single-fidelity approach that only used the highest-fidelity model. …”
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318
Underwater acoustic signal denoising method based on DBO–VMD and singular value decomposition
Published 2025-05-01“…The results show that our proposed method has a more significant denoising effect, exhibiting certain advantages in evaluation indicators, such as SNR and root mean square error. …”
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319
Prediction method of gas emission in working face based on feature selection and BO-GBDT
Published 2024-12-01“…Gas emission in the working face is influenced by a variety of factors. Dimensionality reduction methods, such as Principal Component Analysis, can reduce computational resources but may alter the original feature structure, leading to a loss of some detailed information in the dataset. …”
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320
A High-Precision Real-Time Temperature Acquisition Method Based on Magnetic Nanoparticles
Published 2024-12-01“…Compared with the opposition learning gray wolf optimizer and particle swarm optimization–gray wolf optimization, the proposed method achieves reductions of 52% and 68%, respectively. …”
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