Research And Design Of Virtual Classroom In The Distance Education System

Distance education is regarded as extension for traditionary teaching on Internet, and has been accepted by people as one of the most popular teaching model in modern time, and it has already become the trend with the international education development. Virtual classroom is the core of distance education system and plays an important role in virtual teaching area. Virtual classroom platform is the base of realizing network teaching, its function and performance determine the result and quality of virtual education directly.Now most existing network education resources display in static text and planar way, what it realized is a copy to original teaching materials. It emphasizes teacher's role in teaching, the learner obtains knowledge can't get away from the mechanical type studying, which strongly quenches the passion of the learner. Constructivist Learning Theory not only reforms the concept of education, but also provides new instruction for designing virtual classroom. Situational teaching arouses people to notice the importance of environment for learner to get knowledge, and they start to study the Three-Dimension Simulation for virtual classroom. The emergence of VRML technology brings the new tools for constructing virtual classroom because of its little data to transfer and with vivid virtual environment and animated drawing and promote the development of virtual classroom to a new time.After analyzing the discourages of the current virtual classroom, there are some weak points such as lack of standard, flexibility and intelligence for teaching, so we decide to create a new virtual classroom with high immersion,intelligence and interactive, using Constructivist Learning as theory, J2EE platform and VRML technology to design the structure of the teaching platform and its function.While learning the features of VRML and the critical technician to realize virtual reality system,Ⅰstudy how to use Java language to improve the VRML which is not good at communicate with surroundings and construct a new virtual classroom platform with real time interactive. After anaysising major Virtual Reality Modeling technics, adopt a useful modeling strategy based on complexity, with multiple modeling optimization measures, generate realistic virtual environment, also can provide user to wander in the virtual classroom, switch viewpoints, and primarily research on interactive control within Virtual classroom. Try to merge team studying policy and AI technology to virtual classroom establishment to achieve personalization and intelligence for network learning.