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Liu Z.,Shaanxi Radio and University
International Journal of Continuing Engineering Education and Life-Long Learning | Year: 2012

The online course is the core of the construction of distance educational and teaching resources, and it is the foundation to meet the needs of different levels and different types of learners. The optimisation of online courses' quality is significant to realise educational equity, and to meet learners' needs of autonomous learning. A four-stage evaluation model, which includes diagnostic evaluation, process evaluation, summative evaluation, and feedback evaluation, is proposed in this paper to guarantee the development and realisation of high quality online courses. This paper describes the components of the model and how the model has been successfully used in the construction of a sample course. Copyright © 2012 Inderscience Enterprises Ltd. Source

Wang X.,Shaanxi Radio and University
World Transactions on Engineering and Technology Education | Year: 2015

Collaborative meaning construction is one of the key issues in computer-supported collaborative learning (CSCL) research. This substantially is a practical social group activity within a social and cultural context. For the purposes of a case study, the analytical framework from activity theory was applied to the network curricular activities of the China-Britain e-learning research project. The relationships between the various elements in the collaborative meaning construction activity were analysed. This revealed that the subjects conducted meaning construction using a variety of products and tools to act on the objects under the influence of culture, rules, and the division of labour, as well as other factors. © 2015 WIETE. Source

Wang J.,Shaanxi Radio and University
ICEIT 2010 - 2010 International Conference on Educational and Information Technology, Proceedings | Year: 2010

This paper will definitely discuss the characteristics, features and the system of Mobile learning in the distance education. This will tackle devices that are of great significance to mobile learning, like IPod, MP3 player, etc. its pros and cons and its instructional uses and limitations. And show how Mobile learning greatly influenced the modern way of learning and how it can change the society in general with the notion of learning as a continuing process. © 2010 IEEE. Source

Zhang L.-M.,Shaanxi Radio and University
Proceedings of 2012 International Symposium on Information Technologies in Medicine and Education, ITME 2012 | Year: 2012

Medical Informatics is the coalescent of computer science, information technology and medical science, and it is newly-formed leading multi-disciplinary scientific, which is the basic medical development at present and in the future. The personnel who have medical informatics knowledge is essential to China's medical information undertaking, so it is imperative under the Situation to enhance the personnel cultivation of Medical Information. This article is about survey analyses of present situation of medical informatics personnel in China and the development approaches to personnel cultivation. © 2012 IEEE. Source

Wang X.,Shaanxi Radio and University
Proceedings - 2012 4th International Conference on Multimedia and Security, MINES 2012 | Year: 2012

Based on Anindya Roy's research, this paper suggests a new kind of speech signal feature: second-order weighted Mel Frequency Cepstrum Coefficients by introducing the method of weighted filter bank analysis. It also studies the weighted factor in the process of obtaining the Inverted Mel Frequency Cepstrum Coefficients and presents the optimal weighted factor. The result of the experiments shows that this new parameter is more robust, and can be applied to generic speech recognition system. © 2012 IEEE. Source

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