| 数字示波器的系统设计 |
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| 引用本文： | 刘杰,刘培,曹成,王琦,胡欢. 数字示波器的系统设计[J]. 仪表技术, 2011, 0(4): 51-54 |
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| 作者姓名： | 刘杰 刘培 曹成 王琦 胡欢 |
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| 作者单位： | 1. 三峡大学,电气与新能源学院,湖北,宜昌,443002
2. 华南理工大学,电力学院,广东,广州,510640 |
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| 摘 要： | 为了对高速模拟信号进行不失真采集,系统以FPGA与ATMEGA16L单片机为核心,设计并制作了一台具有实时采样方式和等效采样方式的数字示波器。该示波器低频模拟信号采用实时采样方式,波形周期、频率测量准确及时,信号采集与存储方式灵活多样、操作方便;采用等效时间采样原理用较低速的A/D器件实现了高速的数据采集;采用模块化设计方法,使用了多种现代化EDA设计技术,较好地满足了设计要求。
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| 关 键 词： | 数字示波器 等效采样 FPGA 单片机 |
Digital Oscilloscope System Design |
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| LIU Jie,LIU Pei,CAO Cheng,WANG Qi,HU Huan. Digital Oscilloscope System Design[J]. Instrumentation Technology, 2011, 0(4): 51-54 |
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| Authors: | LIU Jie LIU Pei CAO Cheng WANG Qi HU Huan |
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| Affiliation: | LIU Jie1,LIU Pei2,CAO Cheng1,WANG Qi1,HU Huan1(1.Electrical and New Energy Institute,China Three Gorges University,Yichang 443002,China,2.South China University of Technology,Electricity Institute,Guangzhou 510640,China) |
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| Abstract: | For high-speed analog signals without distortion collection,a digital oscilloscope which has both real-time sampling mode and FPGA and ATMEGA16L MCU as its core is designed.Low Frequency analog signals are sampled in real-time mode.The measurement of the wave period as well as frequency is accurate and timely.Signal collection and storage mode are flexible and easy to operate.Modularization design method and lots of modern EDA technologies are adopted so as to well satisfy the requirements of the subject de... |
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| Keywords: | FPGA |
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