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  1. 661
  2. 662

    WORKING ANALYSIS OF SPACE TIME TRELLIS CODE ON WIFI MIMO(2X2) SYSTEM OFDM by Wisnu Broto, Noor Suryaningsih, Adhi Mahendra

    Published 2021-12-01
    “…One of the concepts and methods to meet these needs is using an antenna technique with many transmitters and receivers or often called Multiple Input Multiple Output (MIMO), by adding a strategy at the time of delivery, namely the Space-Time Coding (STC) technique. …”
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  3. 663

    Application of various canopy resistance calculation methods in vineyard evapotranspiration simulation at daily scale in Northwest China by Jingying Zhang, Dianyu Chen, Xiaotao Hu, Lucheng Qiu, Shujian Wang, Xuanrong Zhu, La Zhuo, Dongyan Zhang, Linzhe Wu, Linlin Zhang

    Published 2025-02-01
    “…The results suggested that the selected method and degree of optimization rc had a significant impact on simulation ET model output. …”
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  4. 664

    A Cloud Computing-Based Intelligent Forecasting Method for Cross-Border E-Commerce Logistics Costs by Yanting Li

    Published 2022-01-01
    “…Aiming at the problems of poor forecasting effect and low accuracy and low efficiency in current cross-border e-commerce logistics cost prediction methods, a cloud computing-based intelligent method for cross-border e-commerce logistics cost prediction is proposed. …”
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    Article
  5. 665

    Quantitative study on carbon emissions of modified recycled asphalt mixture based on life cycle assessment method by Xiaohua Liu, Lu Deng, Henglong Zhang, Jiangmiao Yu

    Published 2024-12-01
    “…Based on the theory of life cycle management, through the Life-cycle assessment (LCA) method, this study establishes a quantitative assessment model for the environmental impact of recycled asphalt pavement. …”
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    Article
  6. 666

    Benchmarking the efficiency of distribution warehouses using a four-phase integrated PCA-DEA-improved fuzzy SWARA-CoCoSo model for sustainable distribution by Song Meijing, Andrejić Milan, Pajić Vukašin, Chatterjee Prasenjit, Ma’arof Muhammad Izzat Nor

    Published 2024-12-01
    “…The model provides a synergistic effect of all positive sides of the considered methods. PCA-DEA methods are used to reduce the number of variables and to identify efficient warehouses. …”
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    Article
  7. 667

    A New Mathematical Modeling Method for Four-Stage Helicopter Main Gearbox and Dynamic Response Optimization by Yuan Chen, Rupeng Zhu, Guanghu Jin, Yeping Xiong, Jie Gao, Meijun Liao

    Published 2019-01-01
    “…In addition, the sensitivity analysis method can be used to select the corresponding shaft node efficiently and choose parameters appropriately for reducing the system response.…”
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  8. 668

    A Novel Hybrid Analysis Method of LLC Resonant Converter for High Accuracy and Low Computational Burden by Su-Seong Park, Rae-Young Kim

    Published 2025-01-01
    “…To verify the effectiveness of the proposed method, a 1kW LLC resonant converter prototype is used, and the efficiency and temperature estimation accuracy of the proposed method are measured under various capacity conditions, input and output voltage conditions, resonant network conditions, and load conditions. …”
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  9. 669

    Designing the optimal number of active branches in a multi-branch buck-boost converter by I. Kovacova, D. Kovac

    Published 2025-07-01
    “…Critical, however, is the question of the appropriate number of branches for optimal efficiency and the given output power of the converter. …”
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    Article
  10. 670

    PSO-based speed and power allocation strategy collaborative optimization method for hydrogen fuel cell ships by Ning WANG, Zhiqiang LI

    Published 2025-06-01
    “…A speed-hydrogen consumption model of a fuel cell ship is constructed by ship navigation resistance analysis and the equivalent hydrogen consumption idea. The optimization method of inheritance-link between voyage segments is designed by taking acceleration as the optimization parameter, then PSO is used to optimize the ship's speed and fuel cell output power.ResultsThe results show that the proposed speed and power allocation strategy collaborative optimization method reduces hydrogen consumption by 3.85% and 1.99% respectively compared with the original speed and traditional speed segmentation optimization method.ConclusionsThe proposed method can effectively improve the sailing energy efficiency of short-range ships and resolve the defect of the speed ladder allocation of traditional segmental optimization, providing useful references for the popularization and application of hydrogen fuel cell ships.…”
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  11. 671

    Theoretical Calculation of Heat and Material Balance for Oil Sludge Pyrolysis Process by Solid Heat Carrier Method by Zhengyang Zhang, Yue Ma, Fengzhi Guo, Changtao Yue

    Published 2025-01-01
    “…The total input heat and output heat were 13.65 GJ and 10.04 GJ. The loss was 3.61 GJ and the thermal efficiency was 73.6%.…”
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  12. 672

    APSIM NG Model Simulation of Soil N<sub>2</sub>O Emission from the Dry-Crop Wheat Field and Its Parameter Sensitivity Analysis by Yanyan Li, Yao Yao, Mengyin Du, Lixia Dong, Jianyu Yuan, Guang Li

    Published 2025-03-01
    “…In this study, we combined the good performance of the Agricultural Production Systems sIMulator Next-Generation (APSIM NG) model in simulating crop growth, soil carbon and nitrogen cycles, and soil N<sub>2</sub>O emissions with the efficient computational efficiency of the extended Fourier amplitude test (EFAST) method. …”
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  13. 673

    Functional control of the technical condition method for aircraft control system sensors under complete parametric uncertainty by J. V. Bondarenko, E. Yu. Zybin

    Published 2020-07-01
    “…The efficiency of the method is shown on the Boeing 747–100/200 longitudinal model example. …”
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  14. 674

    Structural Dynamics Analysis of a Large Aperture Space Telescope Based on the Linear State Space Method by Bin Ma, Zongxuan Li, Lin Li, Yunfeng Li, Youhan Peng, Shuhui Ren, Qingya Li, Jiakun Xu

    Published 2025-04-01
    “…The balanced reduction method under state space representation provides a new method for studying the dynamics of lightweight opto-mechanical structures. …”
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  15. 675

    Green finance and carbon emission efficiency under the constraint of economic growth targets: a spatial econometric and threshold effect study based on 30 provinces in mainland Chi... by Juncheng Jia, Xinyuan Yu, Kun Lv, Kun Lv

    Published 2025-06-01
    “…This paper employs the Super-SBM method and the entropy method to measure the carbon emission efficiency and green finance index of 30 provinces, municipalities, and autonomous regions (excluding Tibet) in mainland China from 2011 to 2023. …”
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  16. 676

    Coordinated Optimization Method for Distributed Energy Storage and Dynamic Reconfiguration to Enhance the Economy and Reliability of Distribution Network by Caihong Zhao, Qing Duan, Junda Lu, Haoqing Wang, Guanglin Sha, Jiaoxin Jia, Qi Zhou

    Published 2024-12-01
    “…First, a scenario-generation method is developed based on Latin hypercube sampling and Kantorovich distance synchronous back-substitution reduction is used to obtain the typical scenario of wind and solar output. …”
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  17. 677

    A configuration and scheduling optimization method for integrated energy systems considering massive flexible load resources by Zihao Wang, Shenhua Wang, Hanwen Ni, Junyin Wang, Jun Zhang

    Published 2025-03-01
    “…This study focuses on integrated energy systems with massive flexible load resources, aiming to maximize energy utilization efficiency while reducing environmental impact.Methods: To model the uncertainties in wind and solar power outputs, we employed three-parameter Weibull distribution models and Beta distribution models. …”
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  18. 678
  19. 679

    Bias Correction of Terrestrial Water Availability: Comparison of Trend‐Preserving Cumulative Distribution Function Matching Methods by Jingyi Li, Boqiang Qin

    Published 2025-07-01
    “…This study introduces the grid‐by‐grid cumulative distribution function (CDF) matching method to correct simulation bias in P−E, based on the ERA5‐Land dataset and outputs from 13 selected CMIP6 global climate models. …”
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  20. 680

    Development of Sub-channel Program and Multi-objective Optimization Method Research for Printed Circuit Heat Exchanger by CHEN Liqin, HUO Honglei, XIE Renyao, YANG Yi

    Published 2024-12-01
    “…The performance of the regenerator directly affects the conversion efficiency of the Brayton cycle system. The printed circuit heat exchanger (PCHE) is a microchannel heat exchanger with a hydraulic diameter usually in the range of 0.5-2.0 mm. …”
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