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录像机故障分析与检修程序
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作者 王中华 《家电检修技术》 1994年第12期7-9,共3页
磁鼓是位于录像机中央的大圆柱体,Beta方式为垂直式,VHS方式为倾斜式。视频磁头以180°的间隔装在磁鼓组件中旋转的圆盘上,执行视频图像信号的录放任务。磁头盘的旋转由鼓马达驱动,磁带运行时包绕于鼓圆盘上以恒速运行。磁带运... 磁鼓是位于录像机中央的大圆柱体,Beta方式为垂直式,VHS方式为倾斜式。视频磁头以180°的间隔装在磁鼓组件中旋转的圆盘上,执行视频图像信号的录放任务。磁头盘的旋转由鼓马达驱动,磁带运行时包绕于鼓圆盘上以恒速运行。磁带运行的方向与视频磁头旋转方向有一定的角度(约5°),于是两磁头便相对于磁带进行斜向交替扫描。 展开更多
关键词 录像机 故障分析 磁鼓 磁鼓组件 检修程 VHS方式 视频磁头
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Application and Design of Virtual Reality Technology in Railway Maintenance Training 被引量:3
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作者 Li Zhu 《International Journal of Technology Management》 2013年第4期42-44,共3页
Virtual reality technology is a brand new comprehensive information technology emerging during the end of 21 st century. In recent years in particular, it gains rapid development, involving industries like education, ... Virtual reality technology is a brand new comprehensive information technology emerging during the end of 21 st century. In recent years in particular, it gains rapid development, involving industries like education, industry, military, entertainment and medicine. Combined with the characteristics of railway maintenance training, this thesis proposes the application of virtual reality in courseware, distance education, locomotive simulation driving, locomotive overhauling oil and breakdown processing, and illustrates key technology and solution of the exploitation of virtual reality technology. 展开更多
关键词 Virtual reality Maintenance training Three-dimensional modeling Realization of virtual function.
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