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易向东 《广东教育学院学报》2007,27(5):56-59
专用短程通信(Dedicated Short Range Communication,简称DSRC)是智能交通系统的基础,是一种小范围无线通信系统,它作为车载设备与路边设备的通信平台,通过信息的双向传输将车辆、道路有机地连接起来.针对专用短程通信的三层协议体系结构的复杂性,采用TelelogicTau开发平台上对DSRC协议进行SDL形式化描述和仿真;最后进行了基于ARM与FPGA的协议控制单元的硬件设计. 相似文献
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The aim of the study was to evaluate our practice of self-directed learning (SDL) among pre-university students in Malaysia. Respondents provided data on their previous school learning experiences besides present SDL experiences in college. We carried out exploratory factor analysis based on the school data. We did a confirmatory factor analysis using College SDL experiences of students. Given high similarities between the measurement models, we decided to use the original structure of the instrument. Students provided feedback using a questionnaire based on Prociuk’s. A large majority declared that they needed SDL experiences which they lacked while at school. The study also showed that students had rated their SDL experiences in college more positively than in school, on four factors of SDL experiences. Pearson correlations showed that “knowledgeable and organised teachers” and “promotion of active learning” correlated significantly with students’ current satisfaction with SDL in college. 相似文献
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Nowadays more and more translators are trying to use machine to help their translation work.Translator’s Workbench is a tool of machine translation.In this essay,I will explore functions and benefits of Translator’s workbench 2007 with the theory of MT and TM. 相似文献
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ABSTRACTThis article reports on an explorative study into the relationship between the implementation of cooperative learning strategies and students’ self-directedness in learning. Participants in this study were first-year Computer Applications Technology student teachers. Students completed a self-directed learning questionnaire at the beginning of the module and again after completion of the module. We used cooperative learning strategies during contact sessions over 12 weeks. After completion of the module, interviews were also conducted with randomly selected students. We concluded that the cooperative learning experiences in the Computer Applications Technology class appear to have an effect on students’ perceived readiness for self-directed learning only in cases where students do not have perceived high self-directed learning skills. 相似文献
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Present paper explores the implications and barriers associated with the transition from teacher-directed learning (TDL) to self-directed learning (SDL) in the EFL classroom in Pakistan. This study intends to explore teachers’ views about the nature and viability of implementing the SDL approach to teach English in Pakistan. A qualitative approach is followed in data collection and a contrastive thematic method is employed for analysis. With a sample of 16 English language teachers from four public universities, data is collected through semi-structured interviews. The results show that teachers view SDL with a potential to make students self-sufficient and autonomous, but Pakistani education system, cultural background, and learners’ psychological aspects hinder the process of transition. These obstacles may be removed through creating awareness among teachers and students, and by bringing more flexibility into syllabi and teaching methods, and most importantly, through training local teachers. 相似文献
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Due to the speedy emergent investigation in self-directed learning (SDL) over the past 40 years, SDL is an education technique used progressively within tertiary institutions. SDL can be well-defined in terms of the amount of accountability the student accepts for his or her own learning. The self-directed students regarding learning take control and apply self-determination to learn what they view as imperative for themselves. The amount of control the students are keen to take over their own learning will depend on their assertiveness, aptitudes and personality characteristics. The article thus explores what individual features and characteristics can define the student who is involved in SDL; What capabilities and characteristics need to be grasped by the students who are involved in SDL? Therefore, the objective of the article was to identify characteristics of the self-directed learner in the context of teacher education. Based on our conclusion, it is clear that teacher-students should challenge themselves within this process of SDL development to participate in SDL opportunities. The characteristics of SDL teacher-students must be strengthened to promote their self-directedness with regard to learning and it is also the lecturer’s task to create a class atmosphere of SDl to inculcate and develop SDL characteristics in students. 相似文献
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Daniel A. Parker 《International Journal of Lifelong Education》2020,39(2):205-218
ABSTRACT While retrieval practice has been studied for over a century, it has gained a significant body of research within the past fifteen years in cognitive psychology and the learning sciences. However, there is little discussion in its study and application within topics of adult learning. In this article, we examine the historical and philosophical foundations of self-directed learning and retrieval practice and advocate for functional contextualism as a philosophy of science for self-directed learning research. Functional contextualism provides a synthesis between the norms of humanism and the scientific focus of cognitivism. Particularly, we look at retrieval practice as a potential area of research within self-directed learning, viewing it as an ‘act-in-context’. We hope this article reinvigorates research into self-directed learning, particularly the investigation of empirically-based self-guided learning strategies, the facilitation of metacognition for self-directed adult learners, and the adoption of a functional contextual approach to self-directed learning and other adult learning topics. 相似文献
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《International Journal of Information Management》2016,36(4):580-590
Emerging cloud applications are growing rapidly and the need for identifying and managing service requirements is also highly important and critical at present. Software Engineering and Information Systems has established techniques, methods and technology over two decades to help achieve cloud service requirements, design, development, and testing. However, due to the lack of understanding of software security vulnerabilities that should have been identified and managed during the requirements engineering phase, we have not been so successful in applying software engineering, information management, and requirements management principles that have been established for the past at least 25 years, when developing secure software systems. Therefore, software security cannot just be added after a system has been built and delivered to customers as seen in today’s software applications. This paper provides concise methods, techniques, and best practice requirements engineering and management as an emerging cloud service (SSREMaaES) and also provides guidelines on software security as a service. This paper also discusses an Integrated-Secure SDLC model (IS-SDLC), which will benefit practitioners, researchers, learners, and educators. This paper illustrates our approach for a large cloud system Amazon EC2 service. 相似文献