| With the rapid economic development in recent years, many universities and colleges have offered the economics and management courses to foster high-level professionals in order to satisfy social demands.Experiment teaching of economics and management plays a key role in students'studies, which enables students to have practical abilities and promotes their all-round progress in the aspects of knowledge, ability and quality by specialized software study and software application in the economics and management.Based on present status analysis and experiment teaching of economics and management courses, this research designs a set of computer-aided instruction(CAI) system on the C/S structure and realizes its main functions for the teaching and managerial need of economics and management colleges'experimental centers. The main research and development work includes the followings:Discuss the methods, content and system structure of the computer-aided instruction in economics and management. Analyze demand of the system. Design a teaching module, a system administration module as well as a teaching video broadcasting module. Complete a UML chart and a smooth chart by using unified Modeling Language UML.Discuss network transmission project based on TCP/IP. Use UDP multicast technology to carry on the network data transmission and transmit image data successfully.Adopt suitable data compression method and related LZH-compression-algorithm-based modules to solve the network broadcasting compression on the picture's server end and decompression on the customer end.Achieve the local network flow media broadcasting by using teaching Video broadcasting based on DirectShow technologyIntroduce broadcast teaching, remote control tutoring, long-distance control and the documents transmission functions. |
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