| SD卡在生理信号数据采集中的应用 |
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| 引用本文： | 宋杰,唐飞,王晓浩,杨涛.SD卡在生理信号数据采集中的应用[J].现代电子技术,2011(23):70-72,76. |
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| 作者姓名： | 宋杰 唐飞 王晓浩 杨涛 |
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| 作者单位： | 西南科技大学信息工程学院;清华大学精密仪器与机械学系精密测试技术及仪器国家重点实验室; |
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| 摘 要： | 基于DSP处理器TMS320F2812与SD卡的接口,设计了一种便携式的生理信号数据采集系统,用于大容量多参数人体生理参数的采集。采用TMS320F2812作为主控芯片,以SD卡作为主要存储介质实现了数据的实时采集与存储。按照FAT32文件系统规范设计了一种优化的文件系统,可以快速地把实时采集的数据以文本的形式保存在SD卡中。实验表明,该系统在实际测量中操作简单、携带方便,可用于人体生理参数的实时监测。
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| 关 键 词： | DSP处理器 SD卡 FAT32文件系统 生理信号 |
Application of SD Card in Data Collection of Physiologic Sign |
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| SONG Jie,TANG Fei,WANG Xiao-hao,YANG Tao.Application of SD Card in Data Collection of Physiologic Sign[J].Modern Electronic Technique,2011(23):70-72,76. |
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| Authors: | SONG Jie TANG Fei WANG Xiao-hao YANG Tao |
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| Affiliation: | SONG Jie1,TANG Fei2,WANG Xiao-hao2,YANG Tao1(1.School of Information Engineering,Southwest University of Science and Technology,Mianyang 621010,China,2.State Key Laboratory of Precision Measurement Technology and Instruments,Department of Precision Instruments and Mechanology,Tsinghua University,Beijing 100084,China) |
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| Abstract: | A kind of portable data collection system for physiologic sign was designed based on SD card interface with DSP processor TMS320F2812,which was used for the acquisition of large-capacity and multi-parameter physiologic parameters.The system adopted TMS320F2812 as the master chip and used SD card as the primary storage medium,which achieved the real-time data acquisition and storage.According to the standards of FAT32 file system,an optimization file system was designed.The real-time collection of data can b... |
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| Keywords: | DSP processor SD card FAT32 file system physiologic sign |
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