摘要
结合超声波测距原理,分析了超声波测距系统现阶段存在的问题,重点分析了环境因素温度的影响、超声波信号衰减的影响、回波信号到达时间的精确测量等问题,提出了相应解决办法,设计了基于STC89C52单片机测距系统,实现了改进的超声波测距系统,取得了较好的效果。
This paper,combining the ultrasonic ranging principle,analyzes the existing problem of the present stage of the ultrasonic ranging system,focuses the analysis on the influence of temperature and ultrasonic attenuation effect on the environmental factors,precise measurement of echo signal arrival time and other issues,puts forward the corresponding solutions,and designs a STC89C52 single chip microcomputer measurement system based on ultrasonic ranging system,and thus realizes the improvement and achieves good results.
出处
《北京工业职业技术学院学报》
2015年第1期35-39,44,共6页
Journal of Beijing Polytechnic College
基金
2014年北京工业职业技术学院科研课题(BGZYKY201443)
关键词
超声波
单片机
测距
ultrasonic
single chip microcomputer
distance measuring