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基于单片机的高精度测深系统
引用本文:张明超,高军伟,官晟,孙涛,黄振兴. 基于单片机的高精度测深系统[J]. 青岛大学学报(工程技术版), 2012, 27(1): 59-62
作者姓名:张明超  高军伟  官晟  孙涛  黄振兴
作者单位:1. 青岛大学自动化工程学院,山东青岛,266071
2. 国家海洋局第一海洋研究所,山东青岛,266071
3. 青岛众盟电子科技有限公司,山东青岛,266071
摘    要:针对传统的水深测量方法,以STCllF04单片机为核心,微弱桥式信号经过A/D转换后送到单片机中,由串口调试工具接收当前测量深度值。重点分析了A/D转换部分对整个系统的影响,合适的高精度的A/D芯片极大提高了精度。实验结果表明,系统电路简单,准确性高,稳定性强,适用于多种测量场合。

关 键 词:单片机  深度  A/D转换  精度

A High-Precision System of Measuring Depth Based on SCM
ZHANG Ming-chao , GAO Jun-wei , GUAN Sheng , SUN Tao , HUANG Zhen-xing. A High-Precision System of Measuring Depth Based on SCM[J]. Journal of Qingdao University(Engineering & Technology Edition), 2012, 27(1): 59-62
Authors:ZHANG Ming-chao    GAO Jun-wei    GUAN Sheng    SUN Tao    HUANG Zhen-xing
Affiliation:1 (1.College of Automation Engineering,Qingdao University,Qingdao 266071,China; 2.The First Institute of Oceanography,SOA,Qingdao 266071,China; 3.Zhongmeng Electronic Technology LTD,Qingdao 266071,China)
Abstract:One method of depth measuring is designed with the STC11F04 which is taken as the core.The value of the pressure sensor can be handled by the microcontroller after A/D conversion,and users can receive the value of water depth through the serial port debug tool.The influence of A/D conversion can be analyzed in the paper.The precision of the system is improved by the appropriate and high-precision A/D chip.Experiments showed that the system can be used in different occasions because of the simple circuits,high precision and strong stability.
Keywords:SCM  depth  A/D conversion  precision
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