581053.fig.003a
(a) SDF—large observation domain
581053.fig.003b
(b) SDF—small observation domain
581053.fig.003c
(c) DVF—large observation domain
581053.fig.003d
(d) DVF—small observation domain
Figure 3: Poles for SDF and DVF stabilization (up and down, resp.) with large and small observation domains (left and right, resp.).