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Aiming at the problems of the wear condition monitoring, grey theory and auto-regressive combination forecasting model was put forward, and the combination model was build. The rough trend of the wear particle content change can be reflected through grey theory, and the detail of the change can be reflected through auto-regressive model. By testing and comparing a set of Ferro graphic data, the result...
When e-business changing people's business model, security has also become the focus the people attended increasingly. PKI (public key infrastructure) is the key technology to ensure the network security. In this paper, the composition of the PKI and architecture are minutely analyzed, the PKI-based e-business security system is established from the basic process of ebusiness activities, and the security...
Multimedia computing has become an important study area in recent years. Multimedia synchronization mechanism is a key issue of the distributed multimedia system. The research of multimedia synchronization technology will greatly promote the popularity and applications of the distributed multimedia systems. In this paper, on the basis of the four layers reference model of multimedia synchronization,...
Intelligent Tutoring System (ITS) is one of the important fields of the current computer application. In this paper a Web-based intelligent tutoring system model is designed, the system function structure, the construction of the student model and teaching model, and the reasoning process of the inference engine, finally the system is implemented. The aim of this paper is to provide the Internet learning...
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