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    Autoformation et numérique : pratiques des enseignants pendant et après la crise du covid-19 en France by Théo Martineaud

    Published 2024-12-01
    “…The closure of schools in France forced students and teachers to engage in “emergency remote education” (Bozkurt et al., 2020). Research conducted during this period analyzed the forms of pedagogical engineering implemented by teachers (Peraya and Peltier, 2020), the challenges of home-based schooling activities (Solari Landa et al., 2023), and the inequalities in access to digital equipment (Boudokhane-Lima et al., 2021), as well as disparities in the use of digital technologies in education (Michel and Pierrot, 2022). …”
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  18. 958

    Application of the Power Grid Business Carrying on Low Earth Orbit Broadband Satellite Internet by Liang ZHU, Shaobo QI, Bo YANG, Bingyu XU, Zifan LI, Shijie ZHANG

    Published 2023-06-01
    “…LEO (Low-earth-orbit) broadband satellite internet can provide a lot of user with all-time network coverage, broadband access and information transport service, which has the advantage of high capacity, broad band, low delay and high elasticity as space information network.This made the application service in vertical industry based on LEO satellite network become research hotspots.Based on the research and analysis of power grid communication demand, the application solution of power industry based on LEO broadband satellite internet were proposed, focused on three core business of power grid, included the power grid construction, power grid operation, and emergency rescue.Also, the design of system composition, workflow, and satellite terminal architecture were researched.Further, the transmission performance, continuous communication, and service switching of mobile satellite terminal were tested based on LEO broadband satellite network, which could provided low delay and high capacity for remote data transmission.The result was consultant significance for future application development and engineering implementation in power industry.…”
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  19. 959

    Electricity meter area identification technology based on channel coding theory by Yinghai XIE, Yu ZHANG

    Published 2021-12-01
    “…Station area identification has always been a problem in the ubiquitous power Internet of things, a new analytical model similar to fading channel was established for the station area identification, and based on the remote on-load voltage regulation function of on-load capacity and voltage regulation distribution transformer, the channel coding theory was applied to solve the problem.In order to identify station area of the smart meters, different special voltage regulation schemes with the properties of repeated coding and block coding were applied synchronously.At the same time, the power consumption information acquisition system was used to collect the voltage of each smart meter in this period.Finally, the recognition of each meter was realized based on the principle of minimum distance of decoding algorithm.The theoretical analysis and test results show that, compared with the traditional technology, the new technology can realize the high accuracy identification of a large number of meters in the on-load capacity and voltage regulation distribution transformer area in the existing power grid system without upgrading, which has high engineering application value.…”
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