| 多通道数据采集卡同步功能的设计与实现 |
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| 引用本文： | 高健,杨成忠,唐明明. 多通道数据采集卡同步功能的设计与实现[J]. 机电工程, 2008, 25(1): 82-85 |
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| 作者姓名： | 高健 杨成忠 唐明明 |
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| 作者单位： | 杭州电子科技大学,自动化学院,浙江,杭州,310018 |
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| 摘 要： | 介绍了多通道数据采集卡同步功能的实现方法,讨论和处理了实现同步功能的相关问题.该设计采用一种二级时钟分配方案,不仅实现了板内各通道的真正实时的同步采集,并且可以方便灵活地实现多块板卡的板间同步,具有高速、高精度、多路同步采集的特点,可广泛应用于对信号的同步性能要求较高的数据测量系统中.
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| 关 键 词： | 数据采集 同步触发 A/D转换 |
| 文章编号： | 1001-4551（2008）01-0082-04 |
| 收稿时间： | 2007-07-24 |
| 修稿时间： | 2007-07-24 |
Design and realization of the simultaneous function in the multi-channel data acquisition card |
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| GAO Jian,YANG Cheng-zhong,TANG Ming-ming. Design and realization of the simultaneous function in the multi-channel data acquisition card[J]. Mechanical & Electrical Engineering Magazine, 2008, 25(1): 82-85 |
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| Authors: | GAO Jian YANG Cheng-zhong TANG Ming-ming |
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| Abstract: | The design and realization of the simultaneous function in the multi-channel data acquisition card were introduced. And also the correlative points of the simultaneous function were discussed and disposed. The design used a two-step clock distribution, which not only realized the real-time muhi-channel simuhaneous acquisition in one card, but also realized the simultaneous acquisition function in more than one card very conveniently. The card has the features of high-speed, high precision and multi-channel simultaneous acquisition, can be widely used in the data acquisition system which has high request of the simuhaneous signal. |
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| Keywords: | data acquisition simuhaneous trigger A/D convert |
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