【摘要】 利用Excel对超声波速的实验测定的数据进行了分析,计算出了其不确定度,并以驻波法和相位比较法获得的实验结果分析为例,介绍了利用不确定度判别实验结果正误的方法.更多还原

【Abstract】 This paper makes an analysis of the experimental data of ultrasonic wave speed and a calculation of its uncertainty by Excel.A method of selecting correct results on the basis of uncertainty is proposed with the analysis of data from stationary wave method and phrase angle comparison as an example.更多还原