摘要
设计了一种基于振弦式传感器的测频系统,介绍了振弦式传感器的工作原理,详细介绍了测频系统的设计思想、硬件电路组成及工作原理和软件设计流程。本测频系统具有硬件电路简单、激振可靠、激振频率可控、信号灵敏度高等特点,大大缩短了现场测量与计算时间,减轻了劳动强度,提高了测量计算准确度。
A frequency measure system is designed based on the principle of shake bowstring sensor,the design principle is introduced in detail,and the design idea of measure frequency system,the hardware of circuit, work principle, flow of the software are expatiated, This circuit has many characters such as simply circuit structure,credible stimulation oscillation, controllable stimulation oscillation, higher signal sensitivity,all of those reduced the measure and calculate time,alleviated the labor intensity, improved the measure and calculate precision.
出处
《现代电子技术》
2007年第13期135-137,共3页
Modern Electronics Technique
基金
延安大学科研计划重点项目(YK2005-058)
关键词
振弦式传感器
测频系统
电路设计
激振
shake bowstring sensor
frequency measurement system
circuit design
oscillation
