摘要
本文通过用双踪示波器来观察李萨如图形和“拍”现象 。
In this papaer,using double channel scope,the phenomenon of Lisaru figure and beats can be observed directly,the compose of simple harmonic motion on scope is deeply understood by the students.
出处
《大学物理实验》
2001年第4期19-20,共2页
Physical Experiment of College
关键词
李萨如图形
拍
频率
Lisaru figure
beats
frequency