| 基于DSP的多路小信号数据采集系统 |
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| 引用本文： | 赖欣,胡泽,汪春浦. 基于DSP的多路小信号数据采集系统[J]. 仪器仪表用户, 2005, 12(5): 28-30 |
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| 作者姓名： | 赖欣 胡泽 汪春浦 |
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| 作者单位： | 西南石油学院,成都,610500 |
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| 摘 要： | 针对传感器输出的微弱电信号，介绍了以TMS320 LF2407A为核心的16路多通道数据采集系统，设计了前置放大电路和人机界面。DSP芯片内部集成了较多外设，所以硬件结构简单，抗干扰性强，实时性好，具有较高的稳定性和可靠性。
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| 关 键 词： | 信号放大 DSP 串行通信 LabVIEW |
| 文章编号： | 1671-1041（2005）05-0028-03 |
| 收稿时间： | 2005-05-18 |
| 修稿时间： | 2005-05-18 |
Multi-channel weak signal data acquisition system based on DSP |
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| LAI Xin,HU Ze,WANG Chun-pu. Multi-channel weak signal data acquisition system based on DSP[J]. Electronic Instrumentation Customer, 2005, 12(5): 28-30 |
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| Authors: | LAI Xin HU Ze WANG Chun-pu |
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| Abstract: | Describe the design of multi-channel data acquisition system based on TMS320 LF2407A for weak signal thatthe sensor produced. Preamplifier circuit and man-machine interface are presented. DSP chip combines real-time capability with some integrated peripherals on chip, so the device has simple constitution, high anti-interference performance, and good stability and reliability. |
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| Keywords: | DSP Signal amplifier serial communication LabVIEW |
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