| 基于DSP数据采集系统在实验教学中的应用 |
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| 引用本文： | 王晓娜,张学鹏,王彦霞.基于DSP数据采集系统在实验教学中的应用[J].实验科学与技术,2012,10(2):58-59,67. |
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| 作者姓名： | 王晓娜 张学鹏 王彦霞 |
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| 作者单位： | 大连理工大学物理与光电工程学院,辽宁大连,116024 |
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| 摘 要： | 介绍了一个关于数据采集的开放性物理实验系统。该系统以DSP芯片TMS320F2812和6通道16位模数转换芯片AD7656为核心,给出了TMS320F2812和AD7656的硬件电路和软件编程,将采集的数据存储到片内存储器中并进行快速傅里叶变换。该系统适用于物理实验教学,有助于提高学生的动手能力,促使学生对数据采集和信号处理有更直观的认识和学习。
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| 关 键 词： | 数据采集 AD7656芯片 TMS320F2812芯片 实验教学 |
Application of Data Acquisition System Based on DSP in Experiment Teaching |
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| WANG Xiao-na,ZHANG Xue-peng,WANG Yan-xia.Application of Data Acquisition System Based on DSP in Experiment Teaching[J].Experiment Science & Technology,2012,10(2):58-59,67. |
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| Authors: | WANG Xiao-na ZHANG Xue-peng WANG Yan-xia |
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| Institution: | (School of Physics and Optoelectronic Technology,Dalian University of Technology,Dalian 116023,China) |
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| Abstract: | This paper introduces a physical experiment system about data acquisition,the DSP chip TMS320F2812 and the six channel 16 bit transition chip AD7656 are core chips in this system.This paper introduces the hardware circuit and software program between TMS320F2812 and AD7656.The collection of the data is stored to the internal storage and disposed by fast Fourier transform.This system is suitable for the physics experiment teaching and helpful to improve students＇ practice ability so that it can make students have more intuitive understanding and learning about data acquisition and signal processing. |
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| Keywords: | aata acquisition AD7656chip TMS320F2812chip experiment teaching |
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