振弦传感器测量的准确度分析及实践

The Analysis of the Accuracy of Measurement by Vibrating Wire Sensor and the Practice

本文介绍了振弦式传感器的基本工作原理、特点和工程应用,针对应用,分析了工程监测中使用频率计数器测量频率信号的原理和方法,并对其影响系统误差和随机误差的因素做了定性分析,提出了减小测量系统误差和提高测量准确度[1][2]的方法和措施,这些方法和措施对其他工程测量也具有一定的借鉴意义。

In this paper the basic working principle,characteristics and engineering applications of the vibrating wire sensor are introduced.In view of the applications,the author analyzes the methods and the principles of using counter to pick up frequen-cy signal in engineering and also makes qualitative analysis on the factors which influence the system error and random error in the vibrating wire sensor measurement.Methods and measures of reducing system errors are proposedin order to improve the measurement accuracy.These methods also havegreat significance for other engineering monitoring.