| 视频选行触发器设计 |
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| 引用本文： | 黎晖.视频选行触发器设计[J].广西师范学院学报(自然科学版),2004,21(4):59-61. |
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| 作者姓名： | 黎晖 |
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| 作者单位： | 广西师范学院,物理与电子信息科学系,广西,南宁,530001 |
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| 摘 要： | 该文提出的视频选行触发器可作为普通示波器的附件使用，使示波器增加视频选行功能．文中给出了硬件工作原理及软件设计流程．本设计采用专用同步分离芯片和高速单片机，体积小、可靠性高、成本低，为视频领域的科研与教学提供了便利，具有较高的应用价值．
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| 关 键 词： | 视频选行 触发 同步信号 LM1881 高速单片机 |
| 文章编号： | 1002-8743(2004)04-0059-03 |
| 修稿时间： | 2004年7月12日 |
Design of Video Line Select Trigger |
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| LI Hui.Design of Video Line Select Trigger[J].Journal of Guangxi Teachers Education University:Natural Science Edition,2004,21(4):59-61. |
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| Authors: | LI Hui |
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| Abstract: | In this article,video line select trigger is presented as an accessory of a normal oscilloscope. It enables the oscilloscope to select certain video line. The working principle and software flow are introduced. Adopting the video sync-separator and MCU, video line select trigger is featured by simple structure, high reliability and low-cost which creates better conditions for video researching and teaching. It is very practical and valuable. |
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| Keywords: | video line select trigger synchronous signal LM1881 high-speed microcontroller |
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