Citation: | SUN Y Q,QIANG H R,DONG K H,et al. Derivation and application of iterative scheme for angle-only orbit determination[J]. Journal of Beijing University of Aeronautics and Astronautics,2023,49(12):3245-3252 (in Chinese) doi: 10.13700/j.bh.1001-5965.2022.0062 |
Regarding the problem of the angle-only orbit determination, we transformed into a method for solving the minimum value of the fitness function. The difference and relationship between the observation time step, the dynamic equation solution step and the iterative format step are analyzed. It is pointed out that the difficulty of precise orbit determination mainly lies in the high nonlinearity of the fitness function. A new method combining the initial and precise orbit determination is thus proposed, and its feasibility is analyzed theoretically. Finally, the accuracy, effectiveness and efficiency of the proposed method are verified by numerical experiments.
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