Volume 14 Issue 6
Nov.  2021
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FU Jing-yi, QIN Tian-xiang, HUANG Yun-han, LIU Zhi-ying. A field-of-view splicing method for the optical system of a star simulator[J]. Chinese Optics, 2021, 14(6): 1468-1475. doi: 10.37188/CO.2020-0221
Citation: FU Jing-yi, QIN Tian-xiang, HUANG Yun-han, LIU Zhi-ying. A field-of-view splicing method for the optical system of a star simulator[J]. Chinese Optics, 2021, 14(6): 1468-1475. doi: 10.37188/CO.2020-0221

A field-of-view splicing method for the optical system of a star simulator

doi: 10.37188/CO.2020-0221
Funds:  Supported by National Natural Science Foundation of China (No. 61805025; No. 61705018); Science and Technology Development Programme of Jilin Province (No. 20200401055GX)
More Information
  • Corresponding author: lzy@cust.edu.cn
  • Received Date: 2020-12-31
  • Rev Recd Date: 2021-01-14
  • Available Online: 2021-03-27
  • Publish Date: 2021-11-19
  • The large field-of-view (FOV) star simulator provides wider star maps but the existing star simulator is limited by the size of the display chip, and the maximum FOV is not more than 30°. In order to increase the FOV of the star simulator, a splicing method is proposed. In order to reduce the cost, the overall weight and complexity of the system, and to achieve the largest splice FOV with the least amount of splicing, we carry out detailed calculation and analysis of the overlapping area of the field of view and propose a simplified splicing model based on plane splicing. Three typical splicing methods are produced including a regular triangle, a regular quadrilateral and a regular hexagon, and the calculation of the FOV utilization is deduced. This paper also provides a coordinate calculation method, determining the center position of each FOV and obtaining an accurate number of the stitching. The final comparison result shows that the regular hexagon splicing method has the outstanding advantages of a higher utilization of the FOV and fewer splicing numbers, which provides a basis for the design of a large FOV star simulator.
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