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Saber仿真技术在电力电子教学中的应用   总被引:1,自引:0,他引:1  
将Saber仿真技术应用于电力电子技术课程的教学中,通过同步整流反激变换器实例,介绍了利用Saber软件建模、进行参数设计及仿真分析的过程。仿真实验得到的触发脉冲、输出电流和输出电压结果与同步整流管驱动电路的原理分析一致。应用Saber软件可使电力电子技术的原理与概念形象化,将原理性内容更直观的展示出来,学生对其理解程度也会更加深入。  相似文献   
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This article is a case study that discusses the development and implementation of an internal learning object repository (LOR) for a large national organization with a distributed working environment. It describes the organizational environment and why an internal LOR was needed. It describes technical considerations, including the various document management systems (DMS) available, and why an open source DMS was selected to use as an internal LOR. Lastly, this article weighs the benefits and challenges of implementing a LOR across a distributed working environment and reflects on challenges associated with implementation.  相似文献   
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在电力电子技术课程教学中引入仿真环节,能够有效提高教学质量。相对于变流电路的原理性知识而言,电力电子技术课程教学的重点更应倾向于对功率元件门极特性的分析和门极驱动电路的使用方面。该文通过实例,着重研究Saber软件在功率元件驱动控制教学中的应用,包括软件建模、参数设计以及仿真分析的过程。应用Saber软件可使原理与概念形象化,加深学生对电力电子技术的理解,有效提高教学质量。  相似文献   
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Neurologic syndromes in which there is impaired deficit-awareness (termed “anosognosia”) provide useful observations for understanding the nature of metacognition and its neurobiologic correlates. Anosognosia can occur in various disorders, including stroke, head injury, particular amnesic syndromes, and various dementing illnesses (e.g., Alzheimer's disease). Research on anosognosia for memory impairment is important both for its clinical implications and for its contributions toward understanding the neural correlates of, and processes by which, persons are aware of, monitor, and develop beliefs about their own memory functioning (i.e., metamemory). Following a brief introduction to anosognosia, a review is provided of research on awareness of memory deficit in persons with neurologic amnesia or dementia syndromes. Particular emphasis is placed upon the examination of how different experimental methods shed light on specific questions about metamemory impairment.  相似文献   
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