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Design of Fast Radio Burst Signal Recognition System based on Deep Learning 基于深度学习的快速无线电突发信号识别系统设计
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/y8hbe351
Haoran Yuan, Chungao Shi, Hongliang Sun, Hongfeng Wang
{"title":"Design of Fast Radio Burst Signal Recognition System based on Deep Learning","authors":"Haoran Yuan, Chungao Shi, Hongliang Sun, Hongfeng Wang","doi":"10.54691/y8hbe351","DOIUrl":"https://doi.org/10.54691/y8hbe351","url":null,"abstract":"In order to identify fast radio burst signals from the original observation data of FAST radio telescopes, this paper designs a fast radio burst signal recognition system based on deep learning object detection algorithm. The system uses the incoherent achromatization algorithm and the YOLO series target recognition algorithm to realize the recognition of fast radio burst signals, and provides users with a friendly graphical system interface. In view of the different performance of users' computers, the system has the function of selecting different algorithm models. Experiments have proved that the system achieves 86% recall and 83% accuracy in the FRB20201124A real-world data test set.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"83 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141116500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on the Dust Transport Law in Large Mining Height Fully Mechanized Mining Face 大型采高全机械化开采工作面粉尘运移规律研究
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/rzc7hs13
Yutao Chen
{"title":"Research on the Dust Transport Law in Large Mining Height Fully Mechanized Mining Face","authors":"Yutao Chen","doi":"10.54691/rzc7hs13","DOIUrl":"https://doi.org/10.54691/rzc7hs13","url":null,"abstract":"The fully mechanized mining face with high mining height has always been a high-risk area for coal mine dust pollution. In order to further understand the spatiotemporal transport law of dust in the zoning of the high mining height fully mechanized mining face, the 122109 high mining height fully mechanized mining face of Caojiatan Coal Mine was taken as the research object. Numerical simulation method was used to simulate and analyze the dust transport situation of the 122109 fully mechanized mining machine drum single dust source, the hydraulic support moving frame single dust source, and the superposition of all dust sources in forward and backward wind cutting coal. The research results can guide the ventilation layout design in the early stage of the mine and the dust control in the comprehensive mining process, which is of great significance for the construction of safe and green mines.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"93 26","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141116476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
The Overview of the Natural Approach 自然方法概述
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/09wcsq42
Yi Liu
{"title":"The Overview of the Natural Approach","authors":"Yi Liu","doi":"10.54691/09wcsq42","DOIUrl":"https://doi.org/10.54691/09wcsq42","url":null,"abstract":"The Natural Approach is an educational method for teaching languages that emphasizes meaningful communication and acquisition of language skills in a naturalistic manner. It is widely used in language teaching. In this passage, the author interprets the Natural Approach, analyzes the principles, characteristics, theories, advantages of the Natural Approach by the literature method. The main purpose is that understanding the Natural Approach more deeply, and providing some theoretical references for how to use the natural teaching method in the future, so as to better combine theory with practice.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"82 5","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141116314","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the Operation Safety of Sea Sightseeing Tourist Ships in the Waters of Kowloon Bay, Weihai 威海九龙湾水域海上观光旅游船舶运行安全研究
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/z9qdke11
Guo-Qiong Liu, Jianwen Ma, Yue Zhou
{"title":"Study on the Operation Safety of Sea Sightseeing Tourist Ships in the Waters of Kowloon Bay, Weihai","authors":"Guo-Qiong Liu, Jianwen Ma, Yue Zhou","doi":"10.54691/z9qdke11","DOIUrl":"https://doi.org/10.54691/z9qdke11","url":null,"abstract":"With the rapid development of social economy, tourism as a tertiary industry has developed rapidly, and sea sightseeing has become a popular project in coastal areas. These areas not only meet the requirements of tourists, but also promote the rapid development of the regional economy and make a great contribution to the development of local tourism. Tourist ship operation is one of the important ways for people to enjoy the scenery of the sea and experience boat travel, but also faces many problems such as navigation safety. In recent years, tourism and aviation safety incidents at home and abroad have frequently attracted social attention, and strengthening tourism navigation safety supervision has become a top priority. This paper selects the operation safety of maritime sightseeing and tourist vessels in the waters of Weihai Jiulong Bay as the research object, starts from the analysis of the factors affecting the operation safety of sightseeing and tourism vessels in Kowloon Bay, and establishes a hierarchical model of the operational safety factors of tourist vessels in Weihai Jiulong Bay from the perspective of the \"man-ship-environment-management\" system. The grey correlation analysis method is used to study the risk factors affecting the operation safety of tourist ships, and corresponding improvement measures are proposed to improve the safety of maritime sightseeing tourism and the safety of tourists.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"68 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141116684","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
IoT Smart Home Design for the Elderly Living Alone 为独居老人设计物联网智能家居
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/r1v1k666
Qizheng Yan
{"title":"IoT Smart Home Design for the Elderly Living Alone","authors":"Qizheng Yan","doi":"10.54691/r1v1k666","DOIUrl":"https://doi.org/10.54691/r1v1k666","url":null,"abstract":"Elderly people living alone face problems such as memory loss and poor safety awareness. However, elderly people have less understanding of smart home and electronic equipment, and some smart devices are complicated to operate, which do not meet the needs of elderly people. Therefore, this paper designs an Internet of Things (IoT) smart home system with automatic prompt, automatic start, monitoring and alarm functions, and takes automatic air conditioning as an example. The realization process is discussed in detail. It aims to improve the convenience of living alone for elderly people.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"83 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141116501","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on the Impact of PBL Teaching on Undergraduate Research Ability PBL 教学对大学生科研能力的影响研究
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/8bcsr159
Siying Huang, Wei Zhang, Yiyang Hua, Yimin Chen
{"title":"Study on the Impact of PBL Teaching on Undergraduate Research Ability","authors":"Siying Huang, Wei Zhang, Yiyang Hua, Yimin Chen","doi":"10.54691/8bcsr159","DOIUrl":"https://doi.org/10.54691/8bcsr159","url":null,"abstract":"Nowadays, when scientific research and innovation ability are emphasized more and more, how to strengthen the cultivation of undergraduates' scientific research ability is a problem of great practical significance, and the PBL has been widely researched and applied in other disciplines from the beginning of its application in the field of higher medical education. As a new type of teaching method different from the traditional teaching method, PBL shifts the center of teaching from teachers to students, which has positive significance in cultivating undergraduates' innovative thinking, innovative ability, scientific research ability and independent learning ability. However, PBL also has the shortcomings of longer application time, diversified and disordered teaching content, and unbalanced students' ability, which are all problems we need to solve urgently. And this paper will specifically elaborate the relevant contents of PBL from these aspects.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"43 18","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141113672","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Research on Aerodynamic Performance Optimization and Drag Reduction of mid-sized SUV on CFD 基于 CFD 的中型 SUV 空气动力性能优化与减阻研究
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/7prepw68
Xiaoxiao Yan, Zhuo Ma, Xuelong Liu, Li Jiang
{"title":"Research on Aerodynamic Performance Optimization and Drag Reduction of mid-sized SUV on CFD","authors":"Xiaoxiao Yan, Zhuo Ma, Xuelong Liu, Li Jiang","doi":"10.54691/7prepw68","DOIUrl":"https://doi.org/10.54691/7prepw68","url":null,"abstract":"With the increase of vehicle ownership, the environment and energy issues are highlighted, and reducing vehicle wind resistance has become the key to improving fuel economy. Based on the theory of fluid mechanics and project development experience, this paper develops a medium-sized SUV model for wind resistance reduction. Through the simulation modeling of the vehicle's external flow field, the proportion model wind tunnel test and the optimization scheme research of the exterior shape, the bottom of the vehicle and the engine room, the wind resistance is significantly reduced. Combined with the wind tunnel test results, the actual contribution of each local optimization scheme is verified, and the EGO algorithm is used for further optimization to further reduce the wind resistance coefficient. This paper summarizes the key parts and regularity experience of the aerodynamic drag reduction of the medium-sized SUV model, providing guidance for the development of high-precision vehicle performance in the future. The research methods and results of this paper are of great significance for improving the aerodynamic performance and fuel economy of vehicles.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"71 1","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141114224","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Formation Control of Quadrotor UAVs 四旋翼无人飞行器的编队控制
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/w3xgx185
Haoran Wang, Yi Luo, Jun Zhao, Zhanghuang Guo
{"title":"Formation Control of Quadrotor UAVs","authors":"Haoran Wang, Yi Luo, Jun Zhao, Zhanghuang Guo","doi":"10.54691/w3xgx185","DOIUrl":"https://doi.org/10.54691/w3xgx185","url":null,"abstract":"In recent years, the rapid development of quadrotor unmanned aerial vehicles (UAVs) has resulted in their widespread applications across various scenarios. However, single UAVs encounter multiple challenges during mission execution. Consequently, an increasing number of tasks are being conducted in the form of UAV formations. This paper focuses on quadrotor UAVs and proposes a formation control scheme that can be validated through simulation and experimentation. The research begins with the dynamic modeling of quadrotor UAVs and the design of an experimental platform for UAVs. The formation structure of UAVs is then developed based on the Leader-Follower theory, and a multi-type PID controller is employed to design the formation control algorithm.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"118 4","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141115857","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study on Support Technology of Truss Anchor Cable Beam in Deep Soft Rock Roadway Excavation 深层软岩巷道开挖中的桁架锚索梁支护技术研究
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/ktvr6x46
Shiwei Wang
{"title":"Study on Support Technology of Truss Anchor Cable Beam in Deep Soft Rock Roadway Excavation","authors":"Shiwei Wang","doi":"10.54691/ktvr6x46","DOIUrl":"https://doi.org/10.54691/ktvr6x46","url":null,"abstract":"Aiming at the difficult problem of soft rock roadway support in deep mine, the support mode of \"truss anchor beam\" is proposed, and the support mode technology of truss anchor beam in deep soft rock roadway driving is studied by FLAC simulation software. Combined with the measured displacement of coal and rock around underground roadway under this support mode, it is concluded that the truss anchor beam support mode can introduce the high stress of shallow coal and rock around roadway into deep area, thus effectively controlling the deformation of coal and rock around roadway and ensuring safe and efficient production of mine.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"111 10","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141115660","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Study of the Cultivation of Cultural Awareness in Senior High School English Teaching 高中英语教学中的文化意识培养研究
Scientific Journal of Technology Pub Date : 2024-05-21 DOI: 10.54691/h3wntr53
Zhangjing Xu
{"title":"Study of the Cultivation of Cultural Awareness in Senior High School English Teaching","authors":"Zhangjing Xu","doi":"10.54691/h3wntr53","DOIUrl":"https://doi.org/10.54691/h3wntr53","url":null,"abstract":"This study takes a high school senior English teacher and students in a high school in Chengdu as the research subjects, and uses questionnaire survey method and interview method to understand the current situation of cultivating students’ cultural awareness in high school English teaching. The findings revealed that the following problems exist in the cultivation of cultural awareness in schools: weak cultural literacy of teachers and students, heavy teaching tasks under exam-oriented education without time for the cultivation of cultural awareness, a single approach to teaching culture, and insufficient depth of teachers’ exploration of cultural elements in the new curriculum and teaching materials. In response to the above problems, the author puts forward teaching suggestions based on the current situation of high school culture teaching from three aspects: schools, teachers and students, in order to promote the cultivation of cultural awareness among high school students.","PeriodicalId":336556,"journal":{"name":"Scientific Journal of Technology","volume":"138 21","pages":""},"PeriodicalIF":0.0,"publicationDate":"2024-05-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"141114963","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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