Fig. 10From: Nonlinear dynamical analysis of GNSS data: quantification, precursors and synchronisationThe influence of a linear trend on a cross recurrence plot. a Cross recurrence plot for y = sin(x) + sin (11x/9) (top frame) against y = cos(x) + sin (5x/3) (bottom frame). b Cross recurrence plot of y = sin(x) + sin (11x/9) − 0.1x (top frame) against y = cos(x) + sin (5x/3) (bottom frame)Back to article page