A model-free adaptive control method is proposed for the spacecrafts whose dynamical parameters change over time and cannot be acquired accurately. The algorith
To measure the jitter performance of the Tirthy Meter Telescope tertary mirror( TMT M3),the model of jitter based on the accerleration signal is established. Fi
To enhance the image motion compensation accuracy of off-axis three-mirror anastigmatic( TMA)three-line array aerospace mapping cameras,a new method of image mo