The Model of Synchronous Distance Education System Based on Cable Television Network and Implementation of Supported Cooperative Works

According to the application of recent synchronous distance education system and cable television network, An important and common problem, which can help us to improve distance tuition effect, is to create and actualize a synchronous distance education system according to the CSCW technology and modern communication technology based on this. We can achieve the synchronous virtual classroom,synchronous examination and supervision,the information exchange between teacher and students or between students each other, and also make teacher and students pool freely a same integrated environment provided by network.We can use the Digital Video Broadcasting based on Cable Television Network to solve the problems of the no same time beginning studies in supported cooperative work, to reform and perfect the distance education system.