摘要
对传统相位差法的声速测量原理的研究,并作改进,提出了相位差法数字测声速的方法.此方法运用了单片机的数字处理,使其能够测定不同频率、不同温度下的声速.运用此方法能够使声速的测量精度得到大大的提升,而且更加简化了声速的测量.
By researching and developing tradition measurement of speed of sound, we come up with the digital measurement of sound velocity. In this measurement , we have measured many velocities of sound in different frequencies and temperature by using single chip digital processing. Precision of survey has most developed and that the measurement of speed of sound has been made simple ,if we take this measurement .
出处
《物理通报》
2013年第11期79-80,共2页
Physics Bulletin
基金
湖北文理学院科学研究项目,编号:2010YA017
关键词
相位差法
声速
数字处理
单片机
精确测量
phase difference method
sound speed
digital processing
chip microcomputer
precision measurement
