| 基于窄脉冲反射仪的高速数据采集系统的设计 |
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| 引用本文： | 高晓剑,孟立凡,牛智伟.基于窄脉冲反射仪的高速数据采集系统的设计[J].山西电子技术,2009(1):11-13. |
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| 作者姓名： | 高晓剑 孟立凡 牛智伟 |
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| 作者单位： | 中北大学电子测试技术国家重点实验室信息与通信工程学院,山西太原030051 |
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| 摘 要： | 简单介绍了窄脉冲反射仪测试电缆故障的基本原理，分析了其脉冲的特点和处理要求，设计了单路低速多次数据采集系统，给出了系统原理框图，并对其逻辑控制部分做了详细阐述。通过仿真分析，证明该系统方案切实可行，可有效解决电缆故障测距过程中的高精度数据采集问题。
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| 关 键 词： | 故障测距 数据采集 单片机 CPLD |
Design of High Speed Data Acquisition System Based on Narrow-pulse Reflectometry |
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| Gao Xiao-jian Meng Li-fan Niu Zhi-wei.Design of High Speed Data Acquisition System Based on Narrow-pulse Reflectometry[J].Shanxi Electronic Technology,2009(1):11-13. |
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| Authors: | Gao Xiao-jian Meng Li-fan Niu Zhi-wei |
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| Affiliation: | Gao Xiao-jian Meng Li-fan Niu Zhi-wei(National Key Laboratory of Electronic Measurement Technology, North University of China, Taiyuan Shanxi 030051, China ) |
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| Abstract: | This paper simplely introduces the basic principle of cable fault testing with narrow-pulse reflectometry; analyzes the characteristics of the pulse and the processing requirements; designs a system of single several low-speed data acquisition; gives the block diagram of the system and elaborates its logic control on detail. By simulation analysis, it is proved that the program of this system is feasible; it can solve the problems of high-precision data acquisition in ,the process of testing the cable fault effectively. |
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| Keywords: | fault location data collection MCU CPLD |
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