Infrared and Laser Engineering, Volume. 51, Issue 6, 20210434(2022)
Coarse-refined combined scanning method of beaconless inter-satellite laser communication system
Figures & Tables(11)
Fig. 4. Main process of coarse-refined combined spiral scanning method
Fig. 9. (a)-(b) Partial simulation results of the proposed beaconless method; (c) Partial simulation result of the beacon method
Table 1. Overall simulation parameters
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Parameter Value 1 Communication distance/km ≥3000 2 Satellite attitude stability/（°）·s-1 ≤0.02（3σ） 3 Attitude measurement accuracy/（°） 0.01 4 Satellite positioning error/m ≤50（3σ） 5 Signal light wavelength λ/nm 1550 6 Field of vision/mrad ±2.5 7 Signal light divergence angle α/μrad 50-70 8 CSM control frequency fmotor/Hz ≤10 9 CSM control error δmotor/μrad ≤30（3σ） 10 RSM control frequency fPZT/Hz ≤800 11 RSM control error δPZT/μrad ≤8（3σ） 12 Camera refresh rate fCCD/Hz ≥120
Table 2. Simulation results of the proposed method
View tableView in ArticleTable 2. Simulation results of the proposed method
No. Simulation item Average acquisition time/s Minimum acquisition time/s Maximum acquisition time/s Acquisition probability 1 1000 simulations 12.1421 0.0165 36.3100 99.1% 2 10000 simulations 12.1239 0.0083 36.4800 98.7% 3 100000 simulations 12.1241 0.0083 36.4800 98.7%
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Bo Mei, Zhonghua Yang, Mengnan Li. Coarse-refined combined scanning method of beaconless inter-satellite laser communication system[J]. Infrared and Laser Engineering, 2022, 51(6): 20210434
Paper Information
Category: Optical communication and sensing
Received: Dec. 25, 2021
Accepted: Apr. 21, 2022
Published Online: Dec. 20, 2022
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