Qilin Song, Yang Li, Ziye Zhou, Yawei Xiao, Jinsheng Yang, Linhai Huang, Naiting Gu, Changhui Rao. High-precision ground measurement technology research for measuring pointing deviation in space-based gravitational wave detection telescopes[J]. Opto-Electronic Engineering, 2024, 51(2): 230234
- Opto-Electronic Engineering
- Vol. 51, Issue 2, 230234 (2024)
Fig. 1. Basic principles of pointing deviation measurement
Fig. 2. Detection signal composition
Fig. 3. Spaceborne telescope optical layout design
Fig. 4. Pointing deviation measurement based on the Hartmann sensor
Fig. 5. Effect of dark background on pointing deviation measurement accuracy
Fig. 6. Effect of readout noises on pointing deviation measurement accuracy under conditions of different light intensity peaks. (a) Simulation analysis using a single subaperture; (b) Simulation analysis using sub-aperture related multiplexing technology
Fig. 7. Effect of signal-to-noise ratio on pointing deviation measurement accuracy
Fig. 8. Effect of photon noise on pointing deviation measurement accuracy under different readout noise conditions. (a) Simulation analysis using a single subaperture; (b) Simulation analysis using sub-aperture related multiplexing technology
Fig. 9. Effect of signal-to-noise ratio on pointing deviation measurement accuracy
Fig. 10. Effect of signal-to-noise ratio on pointing deviation measurement accuracy
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Table 1. Hartmann sensor design parameters
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Table 2. Analysis of the influence of signal-to-noise ratio on pointing deviation measurement accuracy
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