Fanlu WU, Dejie YAN, Qi JI, Dong WANG, Jihong DONG. On-orbit real-time calculation method of solar elevation angle of sub-satellite point of Tianwen-1[J]. Optics and Precision Engineering, 2022, 30(2): 210
- Optics and Precision Engineering
- Vol. 30, Issue 2, 210 (2022)
Fig. 1. Schematic diagram of solar elevation angle
Fig. 2. Sun_x fitting results and fitting errors
Fig. 3. Sun_y fitting results and fitting errors
Fig. 4. Sun_z fitting results and fitting errors
Fig. 5. STK simulated solar elevation angle result @ UTC 2021-05-11 16：15：00
Fig. 6. Error between the calculation result of solar elevation angle and STK simulation result @ UTC 2021-09-01 00：00：00 - 2021-10-01 00：00：00
Fig. 7. Mars image obtained by the high-resolution imaging camera of Tianwen-1
Fig. 8. Gray histogram of Mars image obtained by the high-resolution imaging camera of Tianwen-1
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