Time-Frequency Wigner Distribution Approach to Differential Equations - Nonlinear Signal and Image Processing: Theory, Methods and Applications - page 137

− 0.5

− 1

− 50

FIGURE 4.12
Wigner distribution of the Green's function for the diffusion equation, for t = 0 . 1.

− 0.5

− 1 − 50

FIGURE 4.13
Wigner distribution of Green's function for the diffusion equation, for t = 1.