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论文作者:英语论文网论文属性:论文格式 Paper format登出时间:2012-04-10编辑:gufeng点击率:9142
论文字数:11797论文编号:org201204101456446687语种:中文 Chinese地区:中国价格:免费论文
关键词:英文论文格式范文
摘要:本文为英文论文格式范文,为您提供英语论文写作参考。
Abstract-Signal and Systems is a difficult course, because it has few experiments, even hard to described .But it still the students majoring in technological subjects. And now a CAI system has been developed to help the undergraduate teaching .The system is base on the computer simulation .This system include most of the inpact, and is composed of four parts: continuous signal analysis, discrete signal analysis, continuous system analysis and discrete system analysis. What more it contains a large number of modules, each introducing a basic concept and an important issue in Signal and Systems related to the knowledge .The students can easy to learned. While doing experiments, students can use many parameters and observe the results.In this article, some typical modules of classical simulation experiments are described ,and used in the teaching. Include Spectral Characteristics of Pulse Trains, Frequency Response of System, Sampling Theorem, Sampling Theorem. Each modules you will see some experiment which can help you to learn the CAI system.The CAI system had a very frendly interface and summery environment. It allows teacher to demonstration experiments and observe the results repeatedly, .It helps students deepen their understanding and expand their knowledge from one topic to related ones. It based on visualized software platform can be used as a teaching aid in multimedia classrooms as a supplement to laboratory experiments. But it no means that simulation experiments with a CAI system can completely replace the laboratory experimental sessions using hardware instruments
.Key words-Signal and Systems, CAI System, Modules
INTRODUCTION
Signal and Systems is a basic course for students majoring in electronic engineering, information technology, communications, automatic control engineering, and many other technological subjects, The course analyzes various signals and systems with mathematic tools, many of which may appear tedious and boring. As such, students often have difficulties in correctly understanding the basic concepts. With increasingly wider use of computers in the classroom, a CAI system has been developed to aid the undergraduate teaching. Practices have shown that the system can stimulate students’ learning interest, therefore effectively improve the teaching result. By performing simulation experiments interactively, students have found it much easier to understand and master otherwise abstract concepts.
The CAI system covers the main contents of the course, and is composed of four parts: continuous signal analysis, discrete signal analysis, continuous system analysis and discrete system analysis It contains a large number of modules, each introducing a basic concept or an important issue in Signal and Systems and demonstrating how they are related to the knowledge the students have already learned. Interactive experiments are designed to provide hands-on simulations. Push buttons are used to access demonstrations showing main points associated with the particular problem, the purpose of the experiment, operating, operating procedures, and questions. While doing experiments, students can modify various parameters and observe the results. Understanding of the subjects is reinforced through these experiments and repeated observation of various phenomena.
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