Exact vibration amplitude derivative measurement with TV shearography

J. D R Valera; J. D C Jones; O. J. Løkberg

doi:10.1088/0957-0233/7/6/010

Exact vibration amplitude derivative measurement with TV shearography

J. D R Valera, J. D C Jones, O. J. Løkberg

School of Engineering & Physical Sciences

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

An electronic speckle shearing interferometer, or TV shearometer, characterized by a very small shear, has been used to measure the exact vibration amplitude derivative of a vibrating object. The technique is based on a heterodyne speckle shearing interferometer and uses fringe analysis methods appropriate when less than one fringe is observed on the vibrating object.

Original language	English
Pages (from-to)	918-921
Number of pages	4
Journal	Measurement Science and Technology
Volume	7
Issue number	6
DOIs	https://doi.org/10.1088/0957-0233/7/6/010
Publication status	Published - Jun 1996

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title = "Exact vibration amplitude derivative measurement with TV shearography",

abstract = "An electronic speckle shearing interferometer, or TV shearometer, characterized by a very small shear, has been used to measure the exact vibration amplitude derivative of a vibrating object. The technique is based on a heterodyne speckle shearing interferometer and uses fringe analysis methods appropriate when less than one fringe is observed on the vibrating object.",

author = "Valera, {J. D R} and Jones, {J. D C} and L{\o}kberg, {O. J.}",

year = "1996",

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AU - Jones, J. D C

AU - Løkberg, O. J.

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N2 - An electronic speckle shearing interferometer, or TV shearometer, characterized by a very small shear, has been used to measure the exact vibration amplitude derivative of a vibrating object. The technique is based on a heterodyne speckle shearing interferometer and uses fringe analysis methods appropriate when less than one fringe is observed on the vibrating object.

AB - An electronic speckle shearing interferometer, or TV shearometer, characterized by a very small shear, has been used to measure the exact vibration amplitude derivative of a vibrating object. The technique is based on a heterodyne speckle shearing interferometer and uses fringe analysis methods appropriate when less than one fringe is observed on the vibrating object.

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DO - 10.1088/0957-0233/7/6/010

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SP - 918

EP - 921

JO - Measurement Science and Technology

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Exact vibration amplitude derivative measurement with TV shearography

Abstract

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