time-lapse interferometry

Time-average holographic interferometry double-exposed holographic interferometry

二次曝光全息干涉测量术

The phase-shift technology is applied to monochromatic light interferometry measurement, time-average interferometry measurement and white-light vertical scanning interferometry measurement respectively. By this way, phase information of interferometric fringe can be modulated, which is used in the analysis of MEMS dynamic behaviors.

将相移技术分别应用在单色光干涉测量、时间平均干涉测量以及白光垂直扫描干涉测量中，实现了对干涉条纹相位信息的调制，可以用于MEMS器件运动特性的分析中；

The measurement of vibrational displacement and stresses of a blade by the time-average method of holographic interferometry

用全息干涉术的时间平均法测叶片的振动位移和应力

We measured the amplitude of the tuning fork by laser time-averaged holographic interferometry, and the frequency by Vibration Meter Type& 2511, and observed the vibration mode with photoelectric scanning method.

我们尝试了用音叉作为一个简单的空间频率调制器，用时间平均全息干涉法测量了音叉的振幅，并测量了它的频率，用光电扫描法观测了其振动模式。

With the progress of science and technology, laser interferometry technology develops to higher accuracy and greater dynamic range. At the same time, the demodulation technology is demanded higher and higher.

随着科学技术的进步，激光干涉测量技术向着更高的精度和更大的动态范围方向发展，对其解调技术的要求也越来越高。