本文是用激光全息照相法研究肋形楼板模型的垂直振动特性。
The vertical vibrating characteristics of ribbed floor plate models are studied in this paper by using laser holography.
以4120SG柴油机为研究对象，提出基于激光测振的表面振动法测量柴油机辐射噪声。
The laser vibrometer based on the surface vibration for measuring and analyzing the radiating noise of the 4120SG diesel engine is proposed.
本文分析了时域平均法对光电信号进行滤波处理在激光绝对法校准振动传感器相频特性中的应用。
In this paper, the time domain average meth od is used to extract the interfere signal in calibrating the phase character of vibration sensor by laser interferometer.
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