Studies on dynamic motion compensation and positioning accuracy on star tracker.

  title={Studies on dynamic motion compensation and positioning accuracy on star tracker.},
  author={Zhang Jun and Hao Yuncai and Wang Li and Liu Da},
  journal={Applied optics},
  volume={54 28},
Error from motion is the dominant restriction on the improvement of dynamic performance on a star tracker. As a remarkable motion error, the degree of nonuniformity of the star image velocity field on the detector is studied, and thus a general model for the moving star spot is built. To minimize velocity nonuniformity, a novel general method is proposed to derive the proper motion compensation and location accuracy in cases of both uniform velocity and acceleration. Using this method, a… CONTINUE READING
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