CAJ | 학술논문

针对大学物理实验中声速测量装置存在的缺陷，对仪器进行了改进。运用物理实验中的共振干涉法，利用单片机、步进电机搭建的基本框架，结合AD采样、设计运放电路，形成一套智能控制的声速测量系统，来代替人的手工操作，降低了实验的误差，提高了实验精确度。
침대대학물리실험중성속측량장치존재적결함，대의기진행료개진。운용물리실험중적공진간섭법，이용단편궤、보진전궤탑건적기본광가，결합AD채양、설계운방전로，형성일투지능공제적성속측량계통，래대체인적수공조작，강저료실험적오차，제고료실험정학도。
To overcome the defects of velocity measurement instrument in college physics experi-ment ,the instrument was improved . The improved instrument adopted resonance interferometry , SCM step motor ,AD sampling ,and operational amplifier to form an intelligent velocity measurement system .The system improved the accuracy of the experiment .