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Vibration measurement using phase shifting TV-holography and digital image processing

✍ Scribed by Eiolf Vikhagen


Publisher
Elsevier Science
Year
1989
Tongue
English
Weight
661 KB
Volume
69
Category
Article
ISSN
0030-4018

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TV-holography has been combined with automatic data acquisition and image processing to calculate the amplitude and phase distribution of sinusoidally vibrating objects. The method is based on recording six holograms (video frames) where the amplitude and phase of the object and a vibrating referenc