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Experiment Design and Simulation of Optical Soliton Communication System 光孤子通信系统的实验设计与仿真
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.003
Yang Dong, L. Liping
Based on the powerful component library provided by the simulation software of OptiSystem, combined with the structure of the optical soliton communication system schematic diagram, one built up the simulation model of optical soliton communication system. And under the given argument, we achieved a system of simulation. The simulation results confirm the feasibility of simulation models, for optical soliton communication systems provide reference and a basis for further improvement.
基于OptiSystem仿真软件提供的功能强大的组件库,结合光孤子通信系统的结构原理图,建立了光孤子通信系统的仿真模型。在给定的论证下,我们实现了一个仿真系统。仿真结果证实了仿真模型的可行性,为光孤子通信系统的进一步改进提供了参考和依据。
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引用次数: 0
Exploration on the Reform of Teaching System and Teaching Content of Automatic Control Theory 《自动控制理论》教学体制与教学内容改革的探索
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.066
Yan Gangfeng
Automatic control theory is the core course of electrical engineering and electronic information engineering, which directly influences the learning of specialized course and the cultivation of ability to analyze and solve problems. In view of the existing knowledge dispersion of existing textbooks content and the lack of correlations between the knowledge structures, from the viewpoint of establishing the control system model, taking mathematic model as the foundation, curriculum of automatic control theory is divided into the control system analysis and tuning of control system, to organize the teaching system of automatic control theory. Combining with the teaching content, the teaching method and evaluation system of course were improved.
自动控制理论是电气工程和电子信息工程专业的核心课程,它直接影响到专业课程的学习和分析问题、解决问题能力的培养。针对现有教材内容存在知识分散、知识结构之间缺乏相关性的问题,从建立控制系统模型的角度出发,以数学模型为基础,将自动控制理论课程分为控制系统分析和控制系统整定两部分,组织自动控制理论的教学体系。结合教学内容,对该课程的教学方法和评价体系进行了改进。
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引用次数: 0
Teaching Reform and Experience of Professional Basic Experiment Based on Survey of Teaching Quality 基于教学质量调查的专业基础实验教学改革与体会
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.023
Guo Xinyang, Bu Yu-huan, Zhang Rui, Jin Yequan
Based on the survey result of teaching quality,the problems in teaching target,teaching mode,and teaching method of traditional teaching of professional basic experiment were summarized and analyzed. It is proposed to solve these problems by establishing double-leveled teaching target,adopting the teaching mode of "expanding teaching before and after class",and teaching in class by methods of introduction,stimulating thinking,case analysis,guidance and exchange. The teaching reform and experience was applied on the professional basic experiments of professional course of Drilling Engineering. As a result,the students' learning enthusiasm and learning interest are greatly raised and motivated. The teaching quality is significantly improved.
根据教学质量调查结果,总结分析了传统专业基础实验教学在教学目标、教学模式、教学方法等方面存在的问题。针对这些问题,提出建立双层教学目标,采用“课前课后拓展”的教学模式,课堂教学采用导论、激发思维、案例分析、指导交流等方法。将教学改革与经验应用于钻井工程专业课的专业基础实验。学生的学习热情和学习兴趣得到了极大的提高和激发。教学质量明显提高。
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引用次数: 0
Development and Application of the Power System Automation Experimental Platform 电力系统自动化实验平台的开发与应用
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.069
Zhang Mingrui, Ren Jun
The construction of automation of electric power system experimental platform focuses on the automation of electric power systems curriculum design,and fully integrates the core experiment content of electrical engineering department in the direction of power system. The experiment platform increases a variety of power system functions cabinet in voltage 0. 38 k V outgoing line,simulation of the basic components and load in power system,which emphasizes on the power system remote experimental demonstration and practice. Students increase opportunities for comprehensive practice through the platform,and have a better understanding of the next step of further study and employment. Meanwhile,the experimental platform provides service of scientific research for professors and postgraduates,and further explore functions of the platform.
电力系统自动化实验平台的建设以电力系统自动化课程设计为重点,充分整合了电气工程系电力系统方向的核心实验内容。实验平台增加了多种电力系统功能柜在电压0。38k V出线,对电力系统中的基本元件和负荷进行仿真,重点介绍了电力系统远程实验演示和实践。学生通过平台增加了综合实践的机会,对下一步的学习和就业有了更好的了解。同时,实验平台为教授和研究生提供科研服务,进一步探索平台的功能。
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引用次数: 0
Reform Biochemical Experiment Teaching and Cultivate the Comprehensive Quality of Students 改革生物化学实验教学培养学生综合素质
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.034
L. Xiaoyu, Bao Yong-ming, Liping Ning, Xie Jian
Experimental teaching of biochemistry plays an irreplaceable role in cultivating the comprehensive quality and creative ability of students. Based on the analysis of the present situation of the experimental teaching in the majors concerning biology,this paper puts forward some suggestions on reforming the experimental teaching mode under the direction of the"Research Study Concept". This concept includes integrating the teaching contents,improving the teaching methods and the assessment methods. This new experimental teaching system obtained a better teaching quality in improving the teaching practice effect and cultivating the comprehensive quality of students.
生物化学实验教学对培养学生的综合素质和创新能力具有不可替代的作用。在分析生物专业实验教学现状的基础上,提出了在“研究性学习”理念指导下实验教学模式改革的建议。这一理念包括整合教学内容、改进教学方法和评价方法。这种新的实验教学体系在提高教学实践效果、培养学生综合素质方面取得了较好的教学质量。
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引用次数: 0
Exploration of University Experiment Works Under the Background of MOOCs mooc背景下高校实验工作的探索
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.076
Zhang Huiqin
MOOCs (massive open online courses) as a new education mode, which has brought the world a brand-new education revolution. It is great significant to the colleges and universityies lab teaching and management under the social transformation background. In order to adapt to the requirement of times development, management of lab teaching work must keep pace with the times. Through setting up the new concept of talent training, building a good team of experiment teaching, changing experiment teaching and management mode, we are going to explore the new Chinese characteristics mode of experiment teaching and management under the background of MOOCs.
mooc (massive open online courses)作为一种新的教育模式,给世界带来了一场全新的教育革命。这对社会转型背景下的高校实验室教学与管理具有重要意义。为了适应时代发展的要求,实验教学工作的管理必须与时俱进。通过树立新的人才培养理念、建设优秀的实验教学团队、转变实验教学与管理模式,探索mooc背景下具有中国特色的实验教学与管理新模式。
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引用次数: 0
Structure of Innovation-oriented Experiment Teaching System of Food Science and Engineering 面向创新的食品科学与工程实验教学体系结构
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.026
Tan Qiang, Yuan Jing, Yi Xiangxi, Fan Lili, Xie Wenpei
The deepening of curriculum reform promoted to establish the innovation-oriented experiment teaching system. For the purpose of reinforcing the education of creative talents, the outlines of the innovation-oriented experiment for the core curriculums were compiled for the systematization and institutionalization of the innovation-oriented experiment teaching. To improve the innovation capability of undergraduate and lay a solid?foundation of training creative talents, the innovation-oriented experiment teaching was carried out by means of reinforcing the cooperation of enterprises and community.
课程改革的深化促进了以创新为导向的实验教学体系的建立。以加强创新型人才培养为目的,编制核心课程创新实验大纲,使创新实验教学系统化、制度化。为提高大学生创新能力打下坚实的基础?在培养创新型人才的基础上,通过加强企业与社区的合作,开展创新型实验教学。
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引用次数: 0
Design of a Device for Chlorine and Sodium Metal Reaction 氯与金属钠反应装置的设计
Pub Date : 2015-10-28 DOI: 10.3969/J.ISSN.1672-4550.2015.05.009
Li Zhenliang, Qi Xiao-ni, Dang Jin-ning
This paper designed a simple experiment device of chlorine and metallic sodium reaction based U-shaped glass tubes. This device is divided into three regions, area 1 for chlorine preparation, area 2 for the tail gas absorption, area 3 for sodium metal place. The operation is simple, green, pollution-free and cheap, it can complete many similar gas-solid reaction and the experiment verification of gas properties. The device is used to the chemical experiment teaching in middle school.
设计了一种基于u型玻璃管的氯与金属钠反应简易实验装置。本装置分为三个区域,1区用于氯气制备,2区用于尾气吸收,3区用于金属钠的存放。操作简单、绿色、无污染、廉价,可完成许多类似的气固反应和气体性质的实验验证。该装置用于中学化学实验教学。
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引用次数: 0
Application of Pulse Compression Technique in Air Traffic Control Primary Radar 脉冲压缩技术在空管一次雷达中的应用
Pub Date : 2015-10-28 DOI: 10.3969/j.issn.1672-4550.2015.05.018
Yang Yuanhong
Because primary radar plays an important role in averting flight conflict between civil aviation and military aviation, some internal airports installed primary/secondary radars. Some air traffic control primary radars use pulse compression technique. The biggest advantage of it is the increasing radar range and improving range resolution. This paper introduces conception of Linear Frequency Modulation (LFM)and pulse compression, analyzes the frequency spectrum and pulse compression principle, summarizes the advantages of pulse compression technique and gives an application model.
由于一次雷达在避免民用航空和军用航空的飞行冲突方面发挥着重要作用,一些国内机场安装了一次/二次雷达。一些空中交通管制初级雷达采用脉冲压缩技术。它最大的优点是增大了雷达距离,提高了距离分辨率。介绍了线性调频(LFM)和脉冲压缩的概念,分析了频谱和脉冲压缩原理,总结了脉冲压缩技术的优点,并给出了应用模型。
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引用次数: 0
Research of Preparation and Measurement Test Bench of Energy Storage Materials 储能材料制备及测试试验台的研究
Pub Date : 2015-10-28 DOI: 10.3969/j.issn.1672-4550.2015.05.081
Liang Kunfeng, Wang Quanhai
This paper provided a preparation and measurement platform of energy storage materials, and described the working principle of the experiment station. Based on the experiment platform, we can microscopically observe the crystallization process of the sample under ultrasonic or not, and analyze the temperature of the sample during cooling process. It is found that ultrasonic can reduce the degree of supercooling of water, make the supercooled water formation of crystal nucleus in advance, shorten the freezing time of samples. The experiment results show that ultrasonic can not only lower the crystallization degree of supercooling of water, but also effectively refine the grain size.
本文提供了一种储能材料制备与测量平台,并介绍了实验台站的工作原理。基于实验平台,我们可以在显微镜下观察样品在超声波或不超声波作用下的结晶过程,并分析样品在冷却过程中的温度。发现超声波可以降低水的过冷程度,使过冷水提前形成晶核,缩短样品的冷冻时间。实验结果表明,超声波不仅可以降低过冷水的结晶程度,而且可以有效地细化晶粒尺寸。
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引用次数: 0
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