摘要
介绍在张紧弦振动实验中,观察到弦振动的频率相对于经典计算理论的偏移现象,应用傅里叶变换理论和微扰法分析了此现象.
Compared with classical computational theory, the detected frequency of string resonance is shifted. Such phenomenon is analyzed theoretically using the theory of Fourier transform and perturbation method.
出处
《物理实验》
2005年第4期45-48,共4页
Physics Experimentation
关键词
弦音计
傅里叶变换
频率偏移
sonometer
Fourier transform
frequency shift