| 超声波液位测量系统中高速数据采集卡的设计 |
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| 引用本文： | 刘开锋,孔力,程晶晶,陈华. 超声波液位测量系统中高速数据采集卡的设计[J]. 微计算机信息, 2004, 20(12): 42-43 |
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| 作者姓名： | 刘开锋 孔力 程晶晶 陈华 |
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| 作者单位： | 1. 华中科技大学
2. 武汉市产品质量监督检验所 |
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| 摘 要： | 以复杂环境下超声液位测量系统为背景．论述了该系统中高速数据采集卡的功能和结构．并详细介绍了该高速数据采集卡各单元部分的设计方法。以高速间隙式采样获取超声信号，使用内存映射技术读取和处理超声信号。
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| 关 键 词： | 超声波液位测量技术 高速数据采集 间隙式采样 内存映射 |
| 文章编号： | 1008-0570(2004)012-0042-02 |
| 修稿时间： | 2004-06-25 |
The Design of High Speed Data Acquisition Card used in the ultrasonic liquid level measurement system |
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| the. The Design of High Speed Data Acquisition Card used in the ultrasonic liquid level measurement system[J]. Control & Automation, 2004, 20(12): 42-43 |
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| Authors: | the |
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| Affiliation: | the Department of Control Science and Engineering in the HuaZhong University of Science and Technology,WuHan,Hubei,CHINA.430074)Liu,Kaifeng Kong,Li Cheng,Jingjing |
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| Abstract: | In this paper, it discuss the function and configuration of High Speed Data Acquisition Card, with the background of ultrasonic liquid level measurement system under complex circumstance, and give a particular introduction to the designing method of the cells of High Speed Data Acquisition Card. It used high speed and intermittently sample to acquire ultrasonic signal, and memory mapping technique to read and process digital ultrasonic signal. |
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| Keywords: | Ultrasonic Liquid Level Measuring Technique High Speed Data Acquisition Intermittently Sample Memory Mapping |
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