| | | | | 电视原理课程综合示教板的设计 | | | 虞金成 | | | 目前,彩色电视机示教板多以演示故障现象为主,如果有突出演示多制式电视原理、重点故障,演示实用检修方法,且能较准确地检测高频、中频频率特性的综合示教板,无疑对“电视原理”课程的直观教学有很大的帮助。本文在这方面作了些尝试与探讨。 【作者单位】:福建教育学院数理系 福建福州350025 【关键词】:电视原理;多制式;综合 【分类号】:TN941; 【DOI】:cnki:SCN:35-1240.0.2005-10-031 【正文快照】: “电视原理”课程是电子信息工程专业及相近专业的必修课程。该课程的培养目标是:通过本课程的学习,使学生系统地掌握黑白、彩色电视的工作原理,熟悉典型集成电路彩色电视机线路的分析方法,并且能应用几种实用的检修方法,对彩色电视机的常见故障现象进行一般性分析、检测及维修。为增强直观性,提高教学质量,利用示教板进行教学是行之有效的方法之一。而目前市售的电视机故障示教板,多是将整架彩色电视机元件分散安装在约1米×2米的基板上,设置许多模拟电视机发生故障的开关,以演示故障现象为主。这类型的示教板能直观分辨故障现象之间的区别… | | | 推荐 CAJ下载 PDF下载 | | | CAJViewer7.0阅读器支持所有CNKI文件格式,AdobeReader仅支持PDF格式 | | | | The Design of an Integrated Display Board for Teaching TV′s Working Principles | | | YU Jin-cheng(Department of Mathematics and Physics;Fujian Institute of Education;Fuzhou 350025;China) | | | At present, the main function of the color TV display board is to show the different kinds of failures, but if there is an integrated display board for demonstrating the working principles of the multi-functional TV and its major failures, for showing the practical methods of examining and repairing, and for checking and measuring fairly accurately the characteristics of the high and intermediate frequencies, it is, no doubt, of great help to the visual teaching of the course "TV Principles", which this paper attempts to discuss. 【Keyword】:TV principles;multi-functional;integrated |
|
|