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Research on the Application of Virtual Simulation Experimental Teaching in the Securities Investment Course
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作者 Beini Zhu 《Journal of Contemporary Educational Research》 2024年第7期35-40,共6页
With the rapid development of information technology and the increasing complexity of the financial market,the teaching methods and means of the Securities Investment course in universities are facing new challenges a... With the rapid development of information technology and the increasing complexity of the financial market,the teaching methods and means of the Securities Investment course in universities are facing new challenges and opportunities.The purpose of this paper is to discuss the application and construction path of virtual simulation experimental teaching in the Securities Investment course.Firstly,it analyses the problems existing in the teaching of traditional securities investment courses,such as the disconnection between theory and practice and the single teaching mode.In order to solve these problems,this paper puts forward the necessity of introducing virtual simulation experimental teaching and details the specific application path of virtual simulation experimental teaching in the Securities Investment course. 展开更多
关键词 virtual simulation experimental teaching Securities Investment Teaching reform
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Construction and Practice of First-Class Courses on Virtual Simulation Experimental Teaching of Urban Overpasses
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作者 Jun Lin Dingyuan Luo Taotao Gao 《Journal of Contemporary Educational Research》 2024年第5期289-296,共8页
Virtual simulation experiment,as a new way to promote the digital transformation of education,has a broad development prospect and application value.The civil engineering experimental volume and space are huge,it has ... Virtual simulation experiment,as a new way to promote the digital transformation of education,has a broad development prospect and application value.The civil engineering experimental volume and space are huge,it has a long construction period,is highly dangerous,and is difficult to experiment with.In order to solve the contradiction between the traditional theory teaching of civil engineering and the engineering training of students,the construction of virtual simulation experimental teaching courses with a high degree of realism,intuition,and accuracy can be used as a useful supplement and innovation of experimental and practical teaching.This paper takes the virtual simulation experimental teaching course of urban overpasses as an example,introduces the necessity and practicability of the course construction,and describes the experimental principle structure of the course,the simulation scene design,the experimental teaching process,the experimental method,etc.The course has achieved good application results,and it has been recognized as the first-class virtual simulation teaching course of the Chongqing Municipal Government,which provides certain references to the construction of the same type of courses in the civil engineering profession. 展开更多
关键词 Digital transformation of education virtual simulation experiment Civil engineering First-class course construction
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Chemical simulation teaching system based on virtual reality and gesture interaction
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作者 Dengzhen LU Hengyi LI +2 位作者 Boyu QIU Siyuan LIU Shuhan QI 《虚拟现实与智能硬件(中英文)》 EI 2024年第2期148-168,共21页
Background Most existing chemical experiment teaching systems lack solid immersive experiences,making it difficult to engage students.To address these challenges,we propose a chemical simulation teaching system based ... Background Most existing chemical experiment teaching systems lack solid immersive experiences,making it difficult to engage students.To address these challenges,we propose a chemical simulation teaching system based on virtual reality and gesture interaction.Methods The parameters of the models were obtained through actual investigation,whereby Blender and 3DS MAX were used to model and import these parameters into a physics engine.By establishing an interface for the physics engine,gesture interaction hardware,and virtual reality(VR)helmet,a highly realistic chemical experiment environment was created.Using code script logic,particle systems,as well as other systems,chemical phenomena were simulated.Furthermore,we created an online teaching platform using streaming media and databases to address the problems of distance teaching.Results The proposed system was evaluated against two mainstream products in the market.In the experiments,the proposed system outperformed the other products in terms of fidelity and practicality.Conclusions The proposed system which offers realistic simulations and practicability,can help improve the high school chemistry experimental education. 展开更多
关键词 Chemical experiment simulation Gesture interaction virtual reality Model establishment Process control Streaming media DATABASE
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Innovation Practices of Virtual Simulation Teaching Method in Landscape Architecture Majors 被引量:1
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作者 CAI Luxiang 《Journal of Landscape Research》 2014年第4期44-46,共3页
Based on foreign and domestic literature about teaching theories and simulation application,advantages and disadvantages of simulation teaching and other teaching methods were compared,organization forms and efficienc... Based on foreign and domestic literature about teaching theories and simulation application,advantages and disadvantages of simulation teaching and other teaching methods were compared,organization forms and efficiency of simulation teaching in network environment discussed,students' learning patterns and styles summarized,and the theoretical research foundation for the simulation teaching and students' learning system in network environment established.Common problems of simulation teaching and corresponding students' learning styles were discussed,application and supervision system of simulation teaching established,students' learning styles innovated.Views and innovations of virtual simulation teaching in simulation teaching of landscape architecture were given,and the research framework sorted out as reference. 展开更多
关键词 virtual simulation Teaching method Innovation practice
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Evaluation of the Shallow Gas Hydrate Production Based on the Radial Drilling-Heat Injection-Back Fill Method
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作者 CHEN Qiang WAN Yizhao +6 位作者 WU Nengyou SUN Jianye WANG Jian LIU Changling LI Yanlong LI Chengfeng HU Gaowei 《Journal of Ocean University of China》 CAS CSCD 2024年第1期119-128,共10页
It has been evidenced that shallow gas hydrate resources are abundant in deep oceans worldwide.Their geological back-ground,occurrence,and other characteristics differ significantly from deep-seated hydrates.Because o... It has been evidenced that shallow gas hydrate resources are abundant in deep oceans worldwide.Their geological back-ground,occurrence,and other characteristics differ significantly from deep-seated hydrates.Because of the high risk of well construction and low production efficiency,they are difficult to be recovered by using conventional oil production methods.As a result,this paper proposes an alternative design based on a combination of radial drilling,heat injection,and backfilling methods.Multi-branch holes are used to penetrate shallow gas hydrate reservoirs to expand the depressurization area,and heat injection is utilized as a supplement to improve gas production.Geotechnical information collected from an investigation site close to the offshore production well in the South China Sea is used to assess the essential components of this plan,including well construction stability and gas production behavior.It demonstrates that the hydraulic fracturing of the 60mbsf overburden layer can be prevented by regulating the drilling fluid densities.However,the traditional well structure is unstable,and the suction anchor is advised for better mechanical performance.The gas produc-tion rate can be significantly increased by combining hot water injection and depressurization methods.Additionally,the suitable produc-tion equipment already in use is discussed. 展开更多
关键词 shallow gas hydrate trail production radial drilling-heat injection-back fill method experimental and numerical simulation
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A Study of Application of Multimedia Virtual Simulation Teaching Method in Microbiology Experiments
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作者 Hao Lujiang Han Ning +1 位作者 Zhang Jie Chi Yuxia 《计算机科学与技术汇刊(中英文版)》 2019年第1期76-80,共5页
In view of the problems existing in medical microbiology experiment teaching, the feasibility of applying virtual simulation technology to medical microbiology experiment teaching was discussed in this paper. Virtual ... In view of the problems existing in medical microbiology experiment teaching, the feasibility of applying virtual simulation technology to medical microbiology experiment teaching was discussed in this paper. Virtual technology and reality teaching can be effectively combined to give full play to the advantages of virtual platform, so as to continuously deepen the reform of medical microbiology experimental teaching, enrich the hands of basic medical education, advocate innovative experimental reform with students as the main body, mobilize students' initiative, enthusiasm and creativity, and stimulate students' innovative thinking and innovative consciousness, which can lay a solid foundation for training high-quality and high-skilled innovative medical professionals in colleges and universities. 展开更多
关键词 MEDICAL MICROBIOLOGY experimental TEACHING virtual simulation
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Research on Teaching Methods of Flight Control Principles
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作者 Dongying Li 《Journal of Electronic Research and Application》 2024年第3期155-160,共6页
With the rapid development of China’s civil aviation industry,the teaching method of operating knowledge of flight principles has changed greatly,which creates a good implementation environment to improve the safety ... With the rapid development of China’s civil aviation industry,the teaching method of operating knowledge of flight principles has changed greatly,which creates a good implementation environment to improve the safety of civil aviation in our country.At present,the main training content of air route transport pilots in China is basic aviation theory,initial flight training,airline modification,etc.The principles of flight control are an important part of basic aviation theoretical knowledge training,which will involve a large number of flight technology training content,instructors will also be based on the pilot type.Teaching flight control theory and practical knowledge requires relatively high theoretical learning ability of students,and the learning effect of this part of theoretical knowledge will directly affect the quality of subsequent learning,but also directly affect the effectiveness of flight training.This paper focuses on the analysis of the basic concepts of flight control,studies the existing problems in the teaching of flight control principles,summarizes the teaching measures of flight control principles,aiming to provide a reference to teaching personnel. 展开更多
关键词 Flight control principle knowledge virtual simulation Teaching method
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Application of orthogonal experimental design and Tikhonov regularization method for the identification of parameters in the casting solidification process 被引量:4
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作者 Dashan SUI Zhenshan CUI 《Acta Metallurgica Sinica(English Letters)》 SCIE EI CAS CSCD 2009年第1期13-21,共9页
The inverse heat conduction method is one of methods to identify the casting simulation parameters. A new inverse method was presented according to the Tikhonov regularization theory. One appropriate regularized funct... The inverse heat conduction method is one of methods to identify the casting simulation parameters. A new inverse method was presented according to the Tikhonov regularization theory. One appropriate regularized functional was established, and the functional was solved by the sensitivity coefficient and Newtonaphson iteration method. Moreover, the orthogonal experimental design was used to estimate the appropriate initial value and variation domain of each variable to decrease the number of iteration and improve the identification accuracy and efficiency. It illustrated a detailed case of AlSiTMg sand mold casting and the temperature measurement experiment was done. The physical properties of sand mold and the interracial heat transfer coefficient were identified at the meantime. The results indicated that the new regularization method was efficient in overcoming the ill-posedness of the inverse heat conduction problem and improving the stability and accuracy of the solutions. 展开更多
关键词 Orthogonal experimental design Regularization method Parameters identification Numerical simulation
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Numerical simulation of non-Archie electrophysical property of saturated rock with lattice Boltzmann method 被引量:2
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作者 Yue Wenzheng Tao Guo +1 位作者 Liu Dongming Yang Wendu 《Petroleum Science》 SCIE CAS CSCD 2009年第1期24-28,共5页
The electrophysical property of saturated rocks is very important for reservoir identification and evaluation. In this paper, the lattice Boltzmann method (LBM) was used to study the electrophysical property of rock... The electrophysical property of saturated rocks is very important for reservoir identification and evaluation. In this paper, the lattice Boltzmann method (LBM) was used to study the electrophysical property of rock saturated with fluid because of its advantages over conventional numerical approaches in handling complex pore geometry and boundary conditions. The digital core model was constructed through the accumulation of matrix grains based on their radius distribution obtained by the measurements of core samples. The flow of electrical current through the core model saturated with oil and water was simulated on the mesoscopic scale to reveal the non-Archie relationship between resistivity index and water saturation (I-Sw). The results from LBM simulation and laboratory measurements demonstrated that the I-Sw relation in the range of low water saturation was generally not a straight line in the log-log coordinates as described by the Archie equation. We thus developed a new equation based on numerical simulation and physical experiments. This new equation was used to fit the data from laboratory core measurements and previously published data. Determination of fluid saturation and reservoir evaluation could be significantly improved by using the new equation. 展开更多
关键词 Non-Archie relation digital core model lattice Boltzmann method numerical simulation rock physical experiment
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Modeling simulation and experimental validation for mold filling process 被引量:2
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作者 侯华 巨东英 +1 位作者 毛红奎 D.SAITO 《中国有色金属学会会刊:英文版》 CSCD 2006年第A02期335-338,339,共5页
关键词 铸模 浇注过程 数学模型 数值模拟 实验验证
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Experimental validation method of elastic thin rod model for simulating the motional cable harness
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作者 王春生 刘检华 +1 位作者 宁汝新 陈涛 《Journal of Beijing Institute of Technology》 EI CAS 2012年第2期192-197,共6页
To analyze the spring disturbance torque caused by motionai cable harness in a stabilized platform, the Kirchhoff theory based cable harness model has been previously developed to dynamically simulate the motional cab... To analyze the spring disturbance torque caused by motionai cable harness in a stabilized platform, the Kirchhoff theory based cable harness model has been previously developed to dynamically simulate the motional cable harness. In this paper, this model was validated by comparing the simulation results with the experiment results ( both the spring force and the deformed profile of the motional cable harness). In the experiment, a special optical measuring instrument based on binocular vision was developed and the motion and deformation of cable harness were measured. A simpli- fied stabilized platform system was constructed, and the absolute value of spring disturbance force during the motion of this simplified frame was obtained by using a force gauge (0. 02 N precision). The physical parameters of experimental specimen were also measured. The experimental and simulated results showed good agreement. These results should be useful for better motional cable harness layout design and reliable evaluation of the spring disturbance torque. 展开更多
关键词 experimental validation method binocular vision motional cable simulation Kirchhoffrod
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Virtual simulation experiment of the design and manufacture of a beer bottle-defect detection system 被引量:1
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作者 Yuxiang ZHAO Xiaowei AN Nongliang SUN 《Virtual Reality & Intelligent Hardware》 2020年第4期354-367,共14页
Background Machine learning-based beer bottle-defect detection is a complex technology that runs automatically;however,it consumes considerable memory,is expensive,and poses a certain danger when training novice opera... Background Machine learning-based beer bottle-defect detection is a complex technology that runs automatically;however,it consumes considerable memory,is expensive,and poses a certain danger when training novice operators.Moreover,some topics are difficult to learn from experimental lectures,such as digital image processing and computer vision.However,virtual simulation experiments have been widely used to good effect within education.A virtual simulation of the design and manufacture of a beer bottle-defect detection system will not only help the students to increase their image-processing knowledge,but also improve their ability to solve complex engineering problems and design complex systems.Methods The hardware models for the experiment(camera,light source,conveyor belt,power supply,manipulator,and computer)were built using the 3DS MAX modeling and animation software.The Unreal Engine 4(UE4)game engine was utilized to build a virtual design room,design the interactive operations,and simulate the system operation.Results The results showed that the virtual-simulation system received much better experimental feedback,which facilitated the design and manufacture of a beer bottle-defect detection system.The specialized functions of the functional modules in the detection system,including a basic experimental operation menu,power switch,image shooting,image processing,and manipulator grasping,allowed students(or virtual designers)to easily build a detection system by retrieving basic models from the model library,and creating the beer-bottle transportation,image shooting,image processing,defect detection,and defective-product removal.The virtual simulation experiment was completed with image processing as the main body.Conclusions By mainly focusing on bottle mouth defect detection,the detection system dedicates more attention to the user and the task.With more detailed tasks available,the virtual system will eventually yield much better results as a training tool for image processing education.In addition,a novel visual perception-thinking pedagogical framework enables better comprehension than the traditional lecture-tutorial style. 展开更多
关键词 virtual simulation experiment Beer bottle defect detection Image processing Training tool
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Virtual Simulation Experiment Design under the Guidance of Emotional Design Theory
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作者 Ting Lan Fuan Wen Meng Huang 《Journal of Software Engineering and Applications》 2019年第3期51-59,共9页
In recent years, virtual simulation experiments have been widely used in education. However, at present, academic research on virtual simulation experiments mostly focuses on key technologies, and there are few emotio... In recent years, virtual simulation experiments have been widely used in education. However, at present, academic research on virtual simulation experiments mostly focuses on key technologies, and there are few emotional studies on virtual experiments. Based on the three-layer model of emotional design theory, this paper puts forward the method strategy of emotional simulation design in virtual simulation experiment, in order to provide some reference value for the design of virtual simulation experiment. 展开更多
关键词 virtual simulation EXPERIMENT EMOTIONAL DESIGN experimental DESIGN
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ERP Virtual Simulation Experiment Teaching Platform based on UFIDA Cloud Computing
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作者 Weibo Huang Qiuyi Chen 《教育研究前沿(中英文版)》 2020年第4期262-265,共4页
Economic Management Professional Academic Education are increasingly becoming personalization,intelligence and application.Colleges and universities should actively use cloud computing and big data.Also Internet of Th... Economic Management Professional Academic Education are increasingly becoming personalization,intelligence and application.Colleges and universities should actively use cloud computing and big data.Also Internet of Things and other advanced information technologies to build an economics and management ERP virtual simulation experiment teaching platform.Cloud computing and big data,virtual simulation experiment teaching resources with"resource library+project library+enterprise management simulation sandbox training"as the core can build an online and offline collaborative and practical experiment teaching platform.It is expected to achieve the ideal effect of integration of three spaces.Such as physics and resources and social digital teaching.Moreover,it can also benefit human-computer collaboration and interactive teaching and inquiry learning. 展开更多
关键词 Cloud Computing ERP virtual simulation experimental Teaching Platform
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Virtual Simulation Experiment Teaching Platform Based on 3R-4A Computer System
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作者 Xianjun Shi Yingtao Zhang +1 位作者 Lijie Zhang Liming Wang 《国际计算机前沿大会会议论文集》 2016年第2期35-35,共1页
Virtual simulation experiment teaching gradually becomes the trend of the computer-related education practice.Through analyzing the problems existed in current computer experiment teaching,this paper proposes the idea... Virtual simulation experiment teaching gradually becomes the trend of the computer-related education practice.Through analyzing the problems existed in current computer experiment teaching,this paper proposes the idea of building virtual simulation experiment platform based on 3R-4A computer system and clarifies the design technology,including frame,characteristic and innovation,resource sharing and management,condition protection and so on. 展开更多
关键词 virtual simulation 3R-4A EXPERIMENT TEACHING PLATFORM virtual and REALITY CO-DESIGN
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Thermal perception method of virtual chemistry experiments
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作者 Hengwei XU Siru LI +6 位作者 Wenpeng SONG Jiajun SUN Xinli WU Xiaoqi WANG Wenzhen YANG Zhigeng PAN Abdennour EI RHALIBI 《Virtual Reality & Intelligent Hardware》 2020年第4期305-315,共11页
Background With the aim of addressing the difficulty in identifying temperatures in virtual chemistry experiments,we propose a temperature-sensing simulation method of virtual chemistry experiments.Methods We construc... Background With the aim of addressing the difficulty in identifying temperatures in virtual chemistry experiments,we propose a temperature-sensing simulation method of virtual chemistry experiments.Methods We construct a virtual chemistry experiment temperature simulation platform,based on which a wearable temperature generation device is developed.The typical middle school virtual experiments of concentrated sulfuric acid dilution and ammonium nitrate dissolution are conducted to verify the actual effect of the device.Results The platform is capable to indicate near real-world experimental situations.The performance of the device not only meets the temperature sensing characteristics of human skin,but also matches the temperature change of virtual chemistry experiments in real-time.Conclusions It is demonstrated that this temperature-sensing simulation method can represent exothermic or endothermic chemistry experiments,which is beneficial for students to gain understanding of the principles of thermal energy transformation in chemical reactions,thus avoiding the danger that may be posed in the course of traditional teaching of chemistry experiments effectively.Although this method does not have a convenient enough operation for users,the immersion of virtual chemical experiments can be enhanced. 展开更多
关键词 virtual reality Chemistry experiment Thermal simulation Temperature feedback
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Underconstrained Cable-Driven Parallel Suspension System of Virtual Flight Test Model in Wind Tunnel
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作者 Huisong Wu Kaichun Zeng +2 位作者 Li Yu Yan Li Xiping Kou 《Computer Modeling in Engineering & Sciences》 SCIE EI 2023年第4期395-416,共22页
An underconstrained cable-driven parallel robot(CDPR)suspension system was designed for a virtual flight testing(VFT)model.This mechanism includes two identical upper and lower kinematic chains,each of which comprises... An underconstrained cable-driven parallel robot(CDPR)suspension system was designed for a virtual flight testing(VFT)model.This mechanism includes two identical upper and lower kinematic chains,each of which comprises a cylindrical pair,rotating pair,and cable parallelogram.The model is pulled via two cables at the top and bottom and fixed by a yaw turntable,which can realize free coupling and decoupling with three rotational degrees of freedom of the model.First,the underconstrained CDPR suspension system of the VFT model was designed according to the mechanics theory,the degrees of freedom were verified,and the support platform was optimized to realize the coincidence between the model’s center of mass and the rotation center of the mechanism during the motion to ensure the stability of the support system.Finally,kinematic and dynamical modeling of the underconstrained CDPR suspension system was conducted;the system stiffness and stability criteria were deduced.Thus,the modeling of an underconstrained,reconfigurable,passively driven CDPR was understood comprehensively.Furthermore,dynamic simulations and experiments were used to verify that the proposed system meets the support requirements of the wind tunnel-based VFT model.This study serves as the foundation for subsequent wind tunnel test research on identifying the aerodynamic parameters of aircraft models,and also provides new avenues for the development of novel support methods for thewind tunnel testmodel. 展开更多
关键词 virtual flight underconstrained cable-driven dynamic modeling stiffness and stability simulation analysis and experiment
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Research on Railway Engineering Experiment Teaching Principles Based on Virtual Simulation Experiment Teaching——Taking the Floating Slab Vibration Damping Track Virtual Experiment as an Example
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作者 Zhihui Zhu Zhiping Zeng +6 位作者 Jing Liu Lili Liu Lei Xu Wei Chen Wei Li Jianyang Luo Joseph Eleojo Victor 《Journal of Educational Theory and Management》 2021年第2期103-108,共6页
Virtual simulation teaching is an addendum to the experimental teaching mode of railway engineering,and the two teaching methods complement each other and merge with each other.In view of the current research,there is... Virtual simulation teaching is an addendum to the experimental teaching mode of railway engineering,and the two teaching methods complement each other and merge with each other.In view of the current research,there is little discussion about the integration path of the two above.Based on the connotation and design of virtual simulation teaching,this research systematically expounds the integration of the real path and path optimization problems,and puts forward the railway engineering experimental teaching principles based on virtual simulation teaching.On the basis of this research,a virtual simulation experiment platform for vibration mechanics and its application in the floating slab vibration damping track was developed to make full use of three-dimensional modeling,virtual reality,human-computer interaction and other technologies,which can realistically simulate the vibration law and vibration damping effect of the rail transit system,and in the hope that the virtual simulation teaching can be widely used in the experimental teaching mode of railway engineering in the future. 展开更多
关键词 virtual simulation experimental teaching Railway engineering Teaching principles Floating slab vibration damping track
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Virtual Experimental Project Design in the Digital Signal Processing Course
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作者 Boyu Si Baodan Bai +1 位作者 Lijun Hao Xiaoou Li 《Journal of Contemporary Educational Research》 2021年第11期104-109,共6页
This paper proposes the design and development of virtual experimental projects in the Digital Signal Processing course,using MATLAB,Proteus,and CCS platforms to develop a library of typical experimental cases for bio... This paper proposes the design and development of virtual experimental projects in the Digital Signal Processing course,using MATLAB,Proteus,and CCS platforms to develop a library of typical experimental cases for biomedical engineering majors and discusses the design process.Based on these typical cases,this paper explores the secondary design for innovative engineering practice case teaching,which can promote students’understanding and mastery of digital signal processing theories,algorithms,and technologies in an intuitive,flexible,and efficient way;quickly build new innovative engineering case models and further cultivate students’engineering application ability as well as innovative thinking. 展开更多
关键词 Digital Signal Processing course virtual experiment Circuit simulation
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生物科学与技术虚拟仿真实验教学中心的建设与应用 被引量:2
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作者 王甜 张大伟 +2 位作者 李佛生 熊莉 林宏辉 《生物学杂志》 CAS CSCD 北大核心 2024年第3期121-126,共6页
生物科学与技术虚拟仿真实验教学中心通过优秀科研项目转化以及与高新技术企业合作开发,建设了一批高质量的生物类虚拟仿真实验教学资源。多层次、多元化的资源为学生前沿科学知识学习、综合性科研训练和生物下游产业技术训练提供有利环... 生物科学与技术虚拟仿真实验教学中心通过优秀科研项目转化以及与高新技术企业合作开发,建设了一批高质量的生物类虚拟仿真实验教学资源。多层次、多元化的资源为学生前沿科学知识学习、综合性科研训练和生物下游产业技术训练提供有利环境,有效地实现教学模式的转变以及学科交叉知识的学习和延伸。全天候开放共享虚拟仿真实验教学平台,实现虚拟仿真实验教学软件、实验标准化视频、教学课件和测试题库等线上教学资源的有机整合,满足随时随地实验教学需求,支持了一系列的混合式线上线下实验教学课程开展。生物科学与技术虚拟仿真实验教学中心与国家级生物科学实验教学示范中心形成了“双中心”融合发展的创新人才培养实验教学体系,“虚实结合”的实验教学模式,提升了学生的综合科研能力与教师的业务水平,培养了满足社会需求的生物技术创新实践人才。 展开更多
关键词 虚拟仿真实验 实验教学资源 共享平台 虚实结合 人才培养
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