Improvements on the accuracy of derivative estimation from DPIV velocity measurements

1 Experiments in Fluids (2005). DOI 10.1007/s00348-005-0037-1

In the original publication of this article the figure legends for Figs. 2, 3, 4, 5, 6, 7, 8, 9 were unfortunately omitted. We apologize for this mistake. The correct versions of Figs. 2, 3, 4, 5, 6, 7, 8, 9, with all parts included, can be seen here.

Fig. 2

Random error transmission ratio as a function of Δ/L

Fig. 3

Vorticity bias error (%) as a function of spatial resolution

Fig. 4

Vorticity bias error (%) versus position (Δ/L=0.05)

Fig. 5

Bias error at the vortex center versus Δ/L

Fig. 6

Relationship between the coefficient of the power law and the transmission ratio

Fig. 7

Comparison of transfer functions for the FD2, comp-4, Rich-4, and CR4* schemes

Fig. 8

Vorticity total error (%) as a function of spatial resolution for wave numbers=1–7

Fig. 9

Total error prediction for wave numbers=1–7