Dual light path Laser Doppler Vibrameter System that can meet the out-of- plane vibration measurement for the slope plane and any curved surfaces is first proposed.

首次提出双路激光多普勒系统，它能适应倾斜平面、任意曲面的离面振动测量。

Vibration measurement by mechanical method

机械测振法

Rotor blade vibration measurement kept the high - speed rotating blades stable in property.

旋转叶片振动的测量可保证高速旋转叶片在使用中性能稳定.

Some suggestions on forward development and application of the torsional vibration measurement technique are proposed at last.

最后对扭振测量技术的发展和应用提出若干建议。

The analysis of integer order and non-integer order vibrations for rotor blade were performed by non-contact digital optic fiber rotor blade vibration measurement system.

应用非接触式数字光纤叶片测振系统对叶片整数阶次振动（共振）与非整数阶次振动进行了分析。