... analysis of marine mammal sounds [30, 31], musical instruments [32], linear and nonlinear dynamical systems [33, 34, 35], among many others Transformation of Differential Equations into Phase Space ... Grove, Calif, USA, November 1994 Transformation of Differential Equations into Phase Space [21] P Loughlin, M Redfern, and J Furman, “Time-varying characteristics of visually induced postural sway,” ... Transformation of Differential Equations into Phase Space 1771 ×10−3 10−3 1.5 10−4 |X( f )|2 x(t) 0.5 −0.5 10−5 10−6 −1...