Abstract
The article deals with the development of digital speckle interferometer with superimposed bundles and speckle modulated reference wave for the study of vibration characteristics and deformation displacements of elements of energy installations excited by statistic loadings. It is experimentally established that at vibration studies thanks to the possibility of using in optical scheme of digital camera in speckle interferograms obtained with the use of interferometer showed that dispersion of speckle noise is from 2.5 up to 3.2 times lower than in speckle interferograms obtained with the traditionally used interferometers with separated bundles and smooth reference wave.
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