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3rd International Conference on Electronic Informationtechnology and Smart Agriculture, ICEITSA 2023

作者： Luo, Junyuan Fu, Qiongfang Xiao, Jianhua Xiao, Hongbo Liao, Jiyong School of Computer Science and Engineering Huaihua University Hunan Huaihua China Key Laboratory of Wuling-Mountain Health Big Data Intelligent Processing Application in Hunan Province Universities Hunan Huaihua China Key Laboratory of Intelligent Control Technology for Wuling-Mountain Ecological Agriculture in Hunan Province Hunan Huaihua418000 China

ISBN: (纸本)9798400716775

Accurate prediction of future traffic flow trends is essential to solve urban transportation problems. However, traffic flow prediction faces great challenges due to the multimodal nature of pedestrian behavior and the complexity of the traffic environment. Although a large number of studies have been conducted to investigate these issues in depth, there are still some limitations. In order to address these challenges more effectively, we propose a pedestrian trajectory prediction model based on long-short-term memory networks (LSTMs): the DIR-LSTM. The model introduces an innovative generalized direction mechanism and a self-attention mechanism, which captures pedestrian movement patterns more comprehensively and accurately by predicting overall directional movements first and then gradually subdividing them into individual directions of movement. The DIR-LSTM is designed to address the challenges posed by the diversity of pedestrian behaviors and the complexity of urban environments. To validate the state-of-the-art of the model, we conducted experiments using the publicly available ETH [10] and UCY [9] datasets. The experiments demonstrate that DIR-LSTM performs better in terms of accuracy compared to other models, providing a more reliable prediction tool for future urban traffic management. © 2023 ACM.

关键词： Long short-term memory

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Design and Implementation of Carrier Detection System Based on FPGA 2

Design and Implementation of Carrier Detection System Based ...

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2020 2nd International Conference on Computer Modeling, Simulation and Algorithm, CMSA 2020

作者： Zhang, Xian Qu, Taiguo Liu, Yiwen Yin, Dong Deng, Shaowei School of Computer Science and Engineering Huaihua University Huaihua Hunan China Key Laboratory of Intelligent Control Technology Wuling-Mountain Ecological Agriculture in Hunan Province Huaihua Hunan418000 China Key Laboratory of Wuling-Mountain Health Big Data Intelligent Processing Application in Hunan Province Universities Huaihua Hunan418000 China

In order to better monitor and manage the signal transmission in the communication system and base station, and carrier detection is more effective. This paper designs a carrier(Carrier frequency) detection system based on FPGA, including system design requirements, FPGA selection, system framework design, carrier detection method design and so on. The performance indexes of the system are tested, such as carrier frequency range, carrier search time, carrier detection number and CPU consumption rate. The system has the advantages of high flexibility and good portability, and has a good application prospect in communication system, base station and other equipment. © Published under licence by IOP Publishing Ltd.

关键词： Field programmable gate arrays (FPGA)

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Iron-catalyzed indolo[2,3-c]quinoline synthesis from nitroarenes and benzylic alcohols/aldehydes promoted by elemental sulfur

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Green Synthesis and Catalysis 2022年第1期3卷 95-101页

作者： Rong Li Shuxin Jiang Haolin Zheng Hanwen Lei Zhi Huang Shanping Chen Guo-Jun Deng Key Laboratory for Green Organic Synthesis and Application of Hunan Province Key Laboratory of Environmentally Friendly Chemistry and Application of Ministry of EducationCollege of ChemistryXiangtan UniversityXiangtan 411105China Guangdong Provincial Key Laboratory of Luminescence from Molecular Aggregates(South China University of Technology) Guangzhou 510640China

An iron-catalyzed strategy for the rapid synthesis of indolo[2,3-c]quinolines has been *** cascade reaction involving alcohol oxidation,nitro reduction,and oxidative annulation was achieved in a *** present protocol was started from mono-functionalized indoles and readily available benzylic alcohols/aldehydes,affording a variety of functionalized indolo[2,3-c]quinolines in satisfactory yields.

关键词： Iron-catalyzed Nitro reduction Alcohol oxidation Oxidative annulation Indolo[2,3-c]quinolines

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Direct Power Supply Identification Method of PV Power Based on Affinity Propagation Clustering 7th

Direct Power Supply Identification Method of PV Power Based ...

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7th International Conference on Smart Grid and Innovative Frontiers in Telecommunications, SmartGIFT 2022

作者： Deng, Hanjun He, Xing Huang, Rui Su, Yuping Zhang, Suihan Zeng, Wenwei State Grid Hunan Electric Power Company Limited Hu’nan Changsha410000 China Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology Hunan Changsha410000 China

ISBN: (纸本)9783031317323

At present, the marketization of distributed photovoltaic power generation faces problems such as the trading model is still immature and the trading mechanism is complicated, which makes the management of distributed energy trading very difficult. In this paper, a direct power supply identification method based on affinity propagation (AP) clustering is proposed. First, the historical PV output data of the station or neighboring stations are used to obtain the output data of the "same type" PV arrays for reference. Then, the AP clustering algorithm is used to cluster the power generation data in the same temperature segment, and the PV power sources suspected of direct power supply are identified according to the corresponding relationship between the clustering results and the electricity sales state. Finally, the proposed method is verified by the actual operation data in a certain area. The simulation results verify the effectiveness of the proposed method for the identification of direct PV power supply, and provide a reference for the subsequent on-site inspection of power grid companies. © 2023, ICST Institute for Computer Sciences, Social Informatics and Telecommunications Engineering.

关键词： Clustering algorithms

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The Intelligent Human–Computer Interaction Method for application Software of Electrical Energy Metering Based on Deep Learning Algorithm

The Intelligent Human–Computer Interaction Method for Appli...

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International Conference on Artificial Intelligence and Communication technology, ICAICT 2023

作者： Zeng, Weijie Shen, Liman Zou, Wei Ma, Yeqin Jiang, Songya Liu, Mouhai Zheng, Libing Hunan Province Key Laboratory of Intelligent Electrical Measurement and Application Technology Changsha China Changsha China Beijing Smartchip Microelectronics Technology Company Limited Beijing China

ISBN: (纸本)9789819966400

With the vigorous development and wide application of mobile communication device technology, various mobile communication devices have emerged. Aiming at the application of mobile communication equipment application software in the field of electrical energy metering, the intelligent human–computer interaction deep learning method of mobile communication equipment of application software for electrical energy metering based on embedded Linux is studied in this paper deeply. First, the architecture and working principle of application software for electrical energy metering are analyzed briefly. Secondly, the basic principle of neural network based on deep learning algorithm are analyzed, and then, the principle process of intelligent human–computer interaction of electric energy metering application software obtained through neural network depth learning is studied in detail. Finally, a simulation example is given. The results of theoretical and simulation studies show that the method studied in this paper has the advantages of simple human–computer interaction, real-time, accurate, and intelligent. © The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd. 2024.

关键词： application programs

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Structural Modeling and Modal Analysis of Hot-line Work Across the Line Construction 2

Structural Modeling and Modal Analysis of Hot-line Work Acro...

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2018 2nd International Conference on Electronic Information technology and Computer Engineering (EITCE 2018)

作者： Xu Li Fu Yanyi Li Hui Xiao Lihua Guo Hao Liao Zhikai Li Jinliang Yi Ziqi State Grid Hunan Electric Power Co. Ltd.maintenance company Intelligent Hot-line Work Technology and Equipment (Robot) Key Laboratory of Hunan Province

For the nonlinear structures such as traverse and mesh spanning structure, it is very difficult to analyze the traditional calculation method. The initial shape of the structure is determined by the finite element method and the accuracy of the model is verified. Based on this model, the natural frequencies and vibration modes of the structure are analyzed and determined, which can provide reference for transient dynamic analysis.

关键词： Structural Modeling and Modal Analysis of Hot-line Work Across the Line Construction Modal

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Flexible and free-standing La_(0.33)Ti_(2)(PO_(4))_(3)/C nanofibers film as a novel high-performance anode for sodium-and potassium-ion batteries

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Rare Metals 2023年第10期42卷 3387-3398页

作者： Jing Dai Jian Jing Jian-Ping Yang Wen Zhang Shao-Xiong Liu Qian-Fu Wang Jia-Xing Wen Hai Hu Hui-Fang Li Li Liu National Base for International Science&Technology Cooperation National Local Joint Engineering Laboratory for Key Materials of New Energy Storage BatteryKey Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of EducationHunan Province Key Laboratory of Electrochemical Energy Storage and ConversionSchool of ChemistryXiangtan UniversityXiangtan411105China College of Electromechanical Engineering Shandong Engineering Laboratory for Preparation and Application of High-Performance Carbon-MaterialsQingdao University of Science&TechnologyQingdao266061China

Na superionic conductor(NASICON)-type La_(0.33)Ti_(2)(PO_(4))_(3)(LaTP) is firstly proposed as sodium/potassium storage *** density functional theory(DFT) calculations show that LaTP has good electronic character and low Na^(+)/K^(+)migration *** flexible La_(0.33)Ti_(2)(PO_(4))_(3)/C nanofiber film is synthesized via electrostatic spinning and investigated as free-standing electrode applied to sodium-ion batteries(SIBs) and potassiumion batteries(PIBs) in this *** low band gap and Na^(+)/K^(+) migration barriers of LaTP,unique morphology,and complete conductive carbon net allow the La_(0.33)Ti_(2)(PO_(4))_(3)/C nanofibers film to deliver high capacity(296.3 mAh·g^(-1) for SIBs and 235.8 mAh·g^(-1) for PIBs),excellent rate performance(142.5 mAh·g^(-1) for SIBs and50.5 mAh·g^(-1) for PIBs at 1.00 A·g^(-1)),and superior cyclability above 1000 *** full-cell tests show that the material has a good application prospect,indicating a promising flexible anode material for SIBs and PIBs.

关键词： Potassium-ion batteries(PIBs) Sodium-ion batteries(SIBs) Flexible La_(0.33)Ti_(2)(PO_(4))_(3)/C nanofibers film The first-principles calculations Migration potential energy

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First-principles investigation of cohesive energy and electronic structure in vanadium phosphides

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Journal of Central South University 2012年第7期19卷 1796-1801页

作者：杨振华王先友苏旭平 Faculty of Materials Optoelectronics and PhysicsXiangtan University Key Laboratory of Low Dimensional Materials and Application Technology of Ministry of Education(Xiangtan University) School of Chemistry Xiangtan University Key Laboratory of Environmentally Friendly Chemistry and Applications of Ministry of Education(Xiangtan University) Key Laboratory of Materials Design and Preparation Technology of Hunan Province(Xiangtan University)

First-principles calculations based on the density-functional theory were employed to study the crystal structure of vanadium phosphide compounds,such as V3P,V2P,VP,VP2 and VP4. Cohesive energy of five types of vanadium phosphide compounds was calculated to assess their structural stability. The charge density distribution and densities of states of vanadium phosphides were discussed to study further their electronic structures. The results show that the structure of metal-rich compounds is considerably more stable than the phosphorus-rich compositions,and covalent bond exists between the V and P atoms of V3P,V2P,VP,VP2 and VP4.

关键词： first-principles calculations stability cohesive energy covalent bond

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Course Homework Reform in Universities Based on Extended Reality 17th

Course Homework Reform in Universities Based on Extended Rea...

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17th International Conference on Computer Science and Education, ICCSE 2022

作者： Fu, Jinrong Liu, Yiwen Mi, Chunqiao Peng, Xiaoning Xiao, Jianhua School of Computer and Artificial Intelligence Huaihua University Hunan Huaihua418000 China Key Laboratory of Wuling-Mountain Health Big Data Intelligent Processing and Application in Hunan Province Universities Hunan Huaihua418000 China Key Laboratory of Intelligent Control Technology for Wuling-Mountain Ecological Agriculture in Hunan Province Hunan Huaihua418000 China

ISBN: (纸本)9789819924486

In view of the serious issues commonly existing with coursework in Chinese universities at present, such as its original function weakening or being suppressed, its form being too abstract and lack of elaborate design. In order to resolve these problems observed in usual homework, this paper proposes a reform scheme for cloud coursework based on Extended Reality and Bloom model. It mainly includes five key parts, such as interaction, scene, comprehensive evaluation, digital twin and data analysis. In addition, the reform’s effectiveness is illustrated through amassing and comparing the feedback of college students for teaching. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Augmented reality

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Reform of Blended-Teaching Mode for Discipline English Based on Mobile Terminal 17th

Reform of Blended-Teaching Mode for Discipline English Based...

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17th International Conference on Computer Science and Education, ICCSE 2022

作者： Yu, Niefang Peng, Xiaoning Li, Xiaomei Lu, Youmin School of Computer and Artificial Intelligence Huaihua University Hunan Huaihua418000 China Key Laboratory of Wuling-Mountain Health Big Data Intelligent Processing and Application in Hunan Province Universities Hunan Huaihua418000 China Key Laboratory of Intelligent Control Technology for Wuling-Mountain Ecological Agriculture in Hunan Province Hunan Huaihua418000 China

ISBN: (纸本)9789819924455

In the context of the era of big data, the rise of using mobile terminal is also putting forward new requirements for the teaching of Discipline English. Based on some general problems in the teaching practice of this course, we discuss whether adopting the blended-teaching mode can expand the learning space and time, enrich the learning interaction, and improve the learning efficiency in the context of big data based on mobile terminals. And then improve the quality of teaching and enhance application ability for the Discipline English. © 2023, The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

关键词： Big data

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