Fig. 3.
Different target trajectories in the 3 × 3 × 3 cm3 experimental space. (a) cube: 537 sample points; (b) Helix: 455 sample points; (c) Fermats spiral: 553 sample points.
Different target trajectories in the 3 × 3 × 3 cm3 experimental space. (a) cube: 537 sample points; (b) Helix: 455 sample points; (c) Fermats spiral: 553 sample points.