This paper intrdouces how to measure the vibration of the rigid rotor by using digital laser vibrometer,and analyzes the calculation method of the amplitude and angle of the dynamic unbalance.

• 介绍了采用激光干涉仪测量刚性转子运转时支撑上振动信号的原理,并简要分析了刚性转子动不平衡量的提取和解算技术。