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Development of new phase shifting techniques for contouring, deformation and vibration analysis

Robbersmyr K. G., Karimi H. R.

Zeszyty Naukowe. Cieplne Maszyny Przepływowe - Turbomachinery / Politechnika Łódzka

2014

nr 145

101--102

In this paper, two phase shifting techniques are introduced for objects surface analysis with projected fringes. First, scanning phase shift (SPS) is introduced for contouring and deformation analysis, while max-minscanning is used for vibration analysis. Then, a smoothing algorithm called phase shift convolution is used on the contouring and deformation phase maps. It is shown that both these techniques are suitable for the use on unstable objects.