摘要
讨论拍的周期、合振动的周期及其图形间的关系，并得出分振动的频率比决定拍的图形形状．
The relations between heat period and resultant vibration period, and between their figures arediscussed. That the ratio of frequency of component vibrations determines the shapes of beat figures is obtained.
出处
《华南师范大学学报（自然科学版）》
CAS
1999年第4期46-49,共4页
Journal of South China Normal University(Natural Science Edition)
关键词
拍
周期
合振动
图形
振动
beat
period
resultant vibration
figure
