Vibration Measurement of a Metal Sheet Using Single-Camera Digital Image Correlation with Projection Components

Figure 2

Specimen: (a) the schematic of metal sheet size, hammering point, and vibration pickup nodes layout for EMA validation; (b) the real image from HS camera and the schematic of different spatial resolution in different horizontal heights; (c) enlarged four corners and center showing a satisfactory imaging quality in different object distances and illumination uniformity.

(a)

(b)

(c)