Volume 35 Issue 5
Sep.  2015
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Article Navigation >  Chinese Journal of Space Science  > 2015  >  35(5): 641-646
Sun Gaofei, Zhang Guoyu, Liu Shi, Wang Lingyun, Gao Yujun. Design Of Optical System And Analysis Of Precision Of Star And Earth Simulator[J]. Chinese Journal of Space Science, 2015, 35(5): 641-646. doi: 10.11728/cjss2015.05.641
Citation: Sun Gaofei, Zhang Guoyu, Liu Shi, Wang Lingyun, Gao Yujun. Design Of Optical System And Analysis Of Precision Of Star And Earth Simulator[J]. Chinese Journal of Space Science, 2015, 35(5): 641-646. doi: 10.11728/cjss2015.05.641
shu

Design Of Optical System And Analysis Of Precision Of Star And Earth Simulator

doi: 10.11728/cjss2015.05.641 cstr: 32142.14.cjss2015.05.641
  • 1.

    School of Opto-Electronic Engineering, Changchun University of Science and Technology, Changchun 130022

  • Received Date: 2014-11-26
  • Rev Recd Date: 2015-03-02
  • Publish Date: 2015-09-15
    Abstract
  • In order to realize the ground calibration and accuracy testing of sensor, a star and Earth simulator is needed to achieve the star simulation accuracy of less than 10" and Earth simulation accuracy of 0.05°. The simulator utilizes a high precision collimator and a high precision UV collimator as the projection optical system. A correction method for star position simulation error and Earth graphics simulation error is proposed to improve the simulation precision of the star and the Earth. Finally, the star angular distance is measured which accuracy is better than 10", and the accuracy of the Earth graphics is better than 0.05°. The investigation result indicates that the star and Earth simulator proposed in this paper is possible to satisfy the requirements of ground calibration and accuracy testing of the sensor.

     

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