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。 This paper introduces the basic working principle, characteristics and engineering application of vibrating wire sensor. According to application, the principle and method of using frequency counter to measure frequency signal in engineering monitoring are analyzed. The factors that affect the systematic error and random error are also analyzed Analyzes and puts forward methods and measures to reduce the error of the measurement system and improve the measurement accuracy [1] [2]. These methods and measures also have certain reference values ​​for other engineering surveys.