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  1. 481

    Adaptive Laguerre Filters for Elimination of Power Line Noise from EMG Signals: Fixed and Fuzzy Step Size Approaches by Mojtaba Malboubi, Seyed Mohammad Kargar, Seyed Ali Mousavi

    Published 2024-02-01
    “…Biomedical signals are always corrupted with different noises and interferences. Power Line Interference (PLI) is one of the most important interferences, which decreases the quality of the biomedical signals significantly. …”
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    Article
  2. 482

    Defect Image Recognition and Classification for Eddy Current Testing of Titanium Plate Based on Convolutional Neural Network by Weiquan Deng, Jun Bao, Bo Ye

    Published 2020-01-01
    “…In the actual production environment, the eddy current imaging inspection of titanium plate defects is prone to scan shift, scale distortion, and noise interference in varying degrees, which leads to the defect false detection and even missed inspection. …”
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    Article
  3. 483

    Adaptive Super-Twisting Algorithm-Based Nonsingular Terminal Sliding Mode Guidance Law by Fang Yang, Kuanqiao Zhang, Lei Yu

    Published 2020-01-01
    “…To weaken chattering and suppress interference, a second-order sliding mode supertwisting algorithm is improved. …”
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    Article
  4. 484

    Two-dimensional Sparse Antenna Array of a Passive Coherent Radar using a Parametric Algorithm of Signal Processing via the Section Method by V. M. Kutuzov, V. I. Veremyev, M. A. Ovchinnikov, G. V. Komarov

    Published 2022-04-01
    “…To analyze the azimuthal and elevation sections of three-dimensional APs obtained using a modified Burg method for spatial processing of reflected signals in a passive coherent radar, the AEs of which are located horizontally and vertically with a step that is a multiple of the half the wavelength λ of the used illumination signal carrier oscillation.Materials and methods. The construction of directional characteristics was implemented via computer simulation in the MATLAB environment with the effect of uncorrelated additive complex normal noise on the receiving channels in each AE as an interference.Results. …”
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    Article
  5. 485

    Photoelectrocatalytic coupled chlorine degradation of tetracycline hydrochloride in recirculating aquaculture system (RAS) by Qikai Liu, Yaqi Mao, Yujie Jiao, Ru Li, Binghua Mian, Peili Li, Jiali Lei, Yang Liu

    Published 2025-07-01
    “…This study systematically constructed three distinct degradation systems - photocatalytic (P), photoelectrocatalytic (PE), and photoelectrocatalytic coupled with chlorine (PE-Cl−) - based on TiO2 nanotube arrays for efficient tetracycline hydrochloride (TCH) degradation in RAS. …”
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    Article
  6. 486

    Multimodal depression detection based on an attention graph convolution and transformer by Xiaowen Jia, Jingxia Chen, Kexin Liu, Qian Wang, Jialing He

    Published 2025-02-01
    “…These features serve as node attributes for the construction of a feature matrix, calculating the Pearson correlation coefficient between channels, from which an adjacency matrix is constructed to represent the brain network structure. …”
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    Article
  7. 487

    An enhanced YOLOv8 model for accurate detection of solid floating waste by Juxing Di, Kaikai Xi, Yang Yang

    Published 2025-07-01
    “…The new model optimizes the feature fusion strategy in the neck, constructing a refined “160-80-40-20” multiscale detection frame work. …”
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    Article
  8. 488

    Nanomaterials in Nanophotonics Structure for Performing All-Optical 2 × 1 Multiplexer Based on Elliptical IMI-Plasmonic Waveguides by Sajjad Mohanad Mustafa, Gholamreza Karimi, Mazdak Rad Malek Shahi, Saif Hasan Abdulnabi

    Published 2023-01-01
    “…The developed device utilizes constructive and destructive interferences between the input signals and the selector signal. …”
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    Article
  9. 489

    Soviet Economic Policy in Middle Volga Region during Early 1920s by I. A. Gataullina

    Published 2025-02-01
    “…The author concludes that the counterbalance to the destructive force of class hatred can only be found in the constructive potential of social partnership, which builds an economy based on compromise.…”
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    Article
  10. 490

    A Method to Address the Impact of Incident Conditions on the Spectral Reconstruction of the Talbot Wavemeter by Yiming Wang, Yu Huang, Xiaohu Yang, Zhanfeng Li, Yue Li

    Published 2025-03-01
    “…Finally, we constructed a Talbot wavemeter based on a double-grating structure, achieving a spectral resolution of 9 nm at 360 nm. …”
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    Article
  11. 491

    A Composite Barrier Function Sliding Mode Control Method Based on an Extended State Observer for the Path Tracking of Unmanned Articulated Vehicles by Kanghua Zhang, Xiaochao Gu, Nan Wang, Jialu Cao, Jixin Wang, Shaokai Zhang, Xiang Li

    Published 2025-02-01
    “…Unmanned articulated vehicles play a crucial role in the intelligent mine system and have been extensively investigated and implemented in the fields of mine transportation, agriculture and forestry construction. However, the working environment of articulated wheeled vehicles is harsh and the working conditions are changeable. …”
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    Article
  12. 492

    Exomoons and Exorings with the Habitable Worlds Observatory. I. On the Detection of Earth–Moon Analog Shadows and Eclipses by Mary Anne Limbach, Jacob Lustig-Yaeger, Andrew Vanderburg, Johanna M. Vos, René Heller, Tyler D. Robinson

    Published 2024-01-01
    “…The highest priority recommendation of the Astro2020 Decadal Survey for space-based astronomy was the construction of an observatory capable of characterizing habitable worlds. …”
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    Article
  13. 493

    WDNET-YOLO: Enhanced Deep Learning for Structural Timber Defect Detection to Improve Building Safety and Reliability by Xiaoxia Lin, Weihao Gong, Lin Sun, Xiaodong Yang, Chunwei Leng, Yan Li, Zhenyu Niu, Yingzhou Meng, Xinyue Xiao, Junyan Zhang

    Published 2025-06-01
    “…Conventional inspection methods are unable to address the issues of multi-scale defect characterization, inter-class confusion, and morphological diversity, thus limiting reliable construction quality assurance. To overcome these challenges, this study proposes WDNET-YOLO: an enhanced deep learning model based on YOLOv8n for high-precision defect detection in structural wood. …”
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    Article
  14. 494

    Building Surface Defect Detection Based on Improved YOLOv8 by Xiaoxia Lin, Yingzhou Meng, Lin Sun, Xiaodong Yang, Chunwei Leng, Yan Li, Zhenyu Niu, Weihao Gong, Xinyue Xiao

    Published 2025-05-01
    “…Its performance reaches 156 FPS, suitable for real-time inspection in smart construction scenarios. Our model significantly improves defect detection accuracy and robustness in complex scenarios. …”
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    Article
  15. 495

    Investigating the Dynamic Change and Driving Force of Vegetation Carbon Sink in Taihang Mountain, China by Qiushi Qu, Sihui Jian, Anguo Chen, Chiwei Xiao

    Published 2024-08-01
    “…As the ecological barrier of North China, the Taihang Mountains are pivotal to the ecological construction project of China. Nevertheless, the dynamic development of the vegetation carbon sink in the region and the impact factors on the sink have not been systematically evaluated. …”
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    Article
  16. 496

    Selection method for hybrid energy storage schemes for supply reliability improvement in distribution networks by Qian Li, Yuanbao Zhou, Yunxiao Zhang, Yuxin Fu

    Published 2025-03-01
    “…This can effectively improve the reliability of power supply, reduce construction costs, and promote the efficient operation of distribution networks. …”
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    Article
  17. 497

    Influence of natural weak surface on extension of multiple fractures during fracturing of gas extraction horizontal wells by Tao PANG, Zaibing JIANG, Zhengxi WANG, Xiugang LIU, Haozhe LI

    Published 2025-06-01
    “…In view of the difficult problem of strip gas extraction in coal roadways of broken soft and low permeability coal seam, this paper puts forward the technology of segment fracturing and high efficient pre-gas extraction in horizontal wells of strip roof of coal roadways of coal roadways.For balanced gas extraction without blank zone, fracture network construction based on segmented multi-cluster fracturing is the key to technical success.In order to study the propagation patterns of multi-fractures in coal measures strata, the development characteristics of natural weak surface in coal measures strata are analyzed, and the discriminant formula of natural weak surface to multi-fractures propagation patterns is established, the influence of single natural weak surface and multi-natural weak surface on multi-fracture propagation is analyzed by finite element method.The results show that there are a lot of natural weak planes such as fissures, bedding and interfaces in coal seam and roof and floor strata, which affect the propagation of hydraulic fracture.The interaction between fracture and natural weak surface is affected by in-situ stress, induced stress of fracture and stress field of fracture tip.The natural weak surface can induce the initiation and rapid propagation of fractures when the distance between the natural weak surface and the preset fracture is small, while the natural weak surface with small angle can induce the rapid propagation of nearby fractures when the distance is large, when the angle is 90° , the interference between slits is not affected.Under the condition of multi-natural weak surface, the fracture net is easy to form when the stress difference is low, and easy to form a simple single fracture when the stress difference is large, and easy to form the fracture net when the density of natural weak surface is high and the shape is complex, the in-situ stress has little effect on the form of fracture net.The engineering application shows that the hydraulic fracturing in the test well has formed a seam net covering the coal roadways to be driven, and the daily gas production is in the rising stage, and has reached 1708 m3, which has a good prospect of extraction.…”
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    Article
  18. 498

    Russia's interaction with the countries of the Global South by A. A. Pokhilko, T. A. Shebzukhova

    Published 2024-05-01
    “…The most urgent problems to be solved in the region are still the construction of nuclear power plants, the development of oil and gas fields, and the production of petrochemical products. …”
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    Article
  19. 499

    Hybrid precoding and power allocation for mmWave NOMA systems based on time delay line arrays by Gangcan SUN, Xinli WU, Wanming HAO, Zhengyu ZHU

    Published 2022-06-01
    “…In addition, the random grouping algorithm has the worst performance because there is user interference in NOMA system,and the random grouping will make the user interference in the same cluster increase. …”
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    Article
  20. 500

    Time domain analysis of flyback EMI based on distributed parameters theory by Baiyi Liu, Baiyi Liu, Rui Li, Jianqiang Ji, Yiming Wang, Po Xu

    Published 2025-02-01
    “…The electromagnetic interference (EMI) is a key issue for most of electric or electronic devices, the researches of suitable analysis methods and solutions absorb much attentions. …”
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    Article