A ‘post-cursor＇ quasi-coherent mode with frequency -50 k Hz has been observed following the crash of small edge localized modes（ELMs） in the Experimental Advanced Superconducting Tokamak by using a reciprocating L...A ‘post-cursor＇ quasi-coherent mode with frequency -50 k Hz has been observed following the crash of small edge localized modes（ELMs） in the Experimental Advanced Superconducting Tokamak by using a reciprocating Langmuir probe system inserted at the outboard midplane.This mode with strong potential and magnetic perturbations propagates in the electrondiamagnetic drift direction in the laboratory frame.In addition,these quasi-coherent fluctuations appear to be modulated by a MHD mode with lower frequency（-5 k Hz）.The bi-coherence analysis shows that the post-cursor mode and the MHD mode have nonlinear interaction through three-wave coupling.The understanding on post-cursor mode can enhance our knowledge of ELMs and pedestal physics,and give new insight into the ELM process itself.展开更多
提高图形用户界面(graphical user interface)的输入效率,是人机交互中的一项重要研究内容.已有的研究包括点击增强技术和自适应界面技术,前者改变光标的控制方式或呈现方式,后者改变界面上控件的位置布局,但两种技术都存在不足.通过分...提高图形用户界面(graphical user interface)的输入效率,是人机交互中的一项重要研究内容.已有的研究包括点击增强技术和自适应界面技术,前者改变光标的控制方式或呈现方式,后者改变界面上控件的位置布局,但两种技术都存在不足.通过分析界面操作,提出了图形用户界面输入效率的评价模型;然后,在此基础上提出一种人机交互效率优化技术:自适应光标.它以自适应的方式,有选择地对界面上用户可能访问的控件通过点击增强技术支持,实现快速访问.该方法既解决了以往的自适应界面技术因频繁调整控件布局而给用户带来额外认知成本的问题,也克服了点击增强技术仅适用于稀疏控件布局的限制.为了检验其可用性,在控件较多的Visual Studio上实现了自适应光标技术.实验结果表明,使用自适应光标技术可以将获取目标的时间缩短27.7%,显著提高了图形用户界面的输入效率.展开更多
基金supported by the National Magnetic Confinement Fusion Science Program of China under Grant Nos.2015GB101000,2014GB124000National Natural Science Foundation of China under Grant Nos.11322549,11422546,11505222,11505220the Sino Danish Center for Education and Research
文摘A ‘post-cursor＇ quasi-coherent mode with frequency -50 k Hz has been observed following the crash of small edge localized modes（ELMs） in the Experimental Advanced Superconducting Tokamak by using a reciprocating Langmuir probe system inserted at the outboard midplane.This mode with strong potential and magnetic perturbations propagates in the electrondiamagnetic drift direction in the laboratory frame.In addition,these quasi-coherent fluctuations appear to be modulated by a MHD mode with lower frequency（-5 k Hz）.The bi-coherence analysis shows that the post-cursor mode and the MHD mode have nonlinear interaction through three-wave coupling.The understanding on post-cursor mode can enhance our knowledge of ELMs and pedestal physics,and give new insight into the ELM process itself.
文摘提高图形用户界面(graphical user interface)的输入效率,是人机交互中的一项重要研究内容.已有的研究包括点击增强技术和自适应界面技术,前者改变光标的控制方式或呈现方式,后者改变界面上控件的位置布局,但两种技术都存在不足.通过分析界面操作,提出了图形用户界面输入效率的评价模型;然后,在此基础上提出一种人机交互效率优化技术:自适应光标.它以自适应的方式,有选择地对界面上用户可能访问的控件通过点击增强技术支持,实现快速访问.该方法既解决了以往的自适应界面技术因频繁调整控件布局而给用户带来额外认知成本的问题,也克服了点击增强技术仅适用于稀疏控件布局的限制.为了检验其可用性,在控件较多的Visual Studio上实现了自适应光标技术.实验结果表明,使用自适应光标技术可以将获取目标的时间缩短27.7%,显著提高了图形用户界面的输入效率.
