Yuan Zhou, Ying Chen, Liping Sun, Zixin Zou, Yingchang Zou, Xiqiao Chen, Shixun Fan, Dapeng Fan. Singularity Problem Analysis of Target Tracking Based on Risley Prisms[J]. Acta Optica Sinica, 2025, 45(3): 0312001

Search by keywords or author
- Acta Optica Sinica
- Vol. 45, Issue 3, 0312001 (2025)

Fig. 1. Schematic diagram of Risley-prisms-based beam steering system. (a) Description of system parameters; (b) system arrangement

Fig. 2. Control singularity problem at center zone of field of regard (FOR) for real-time target tracking. (a) Schematic diagram for target moving at center zone of FOR; (b) variations of M required by real-time target tracking as a function of θ; (c) variations of maximum M value Mm as a function of Φ

Fig. 3. Schematic diagram of target tracking in discrete time domain

Fig. 4. Required rotation angle of two prisms for tracking target from point A ( , ) to other points at center zone of FOR. (a) Required rotation angle of prism I when adopting the same set of solutions; (b) required rotation angle of prism I when switching solutions; (c) required rotation angle of prism Ⅱ when adopting the same set of solutions; (d) required rotation angle of prism Ⅱ when switching solutions

Fig. 5. Required values of and for tracking target from point A ( , ) to other points at center zone of FOR. (a) Required values of when adopting the same set of solutions; (b) required values of when switching solutions; (c) required values of when adopting the same set of solutions; (d) required values of when switching solutions; (e) required values of when adopting the same set of solutions; (f) required values of when switching solutions

Fig. 6. Required values of for tracking target from point A ( ) to other points at center zone of FOR by applying optimal-solution method. (a) ; (b) ; (c) ; (d) variations of as a function of

Fig. 7. Sources of singularity problem for tracking target at center zone of FOR. (a) Schematic diagram for beam steering at center zone; (b) variations of difference between two sets of solutions as a function of

Fig. 8. Schematic diagram of tracking blind zone for rotational double prisms

Set citation alerts for the article
Please enter your email address