Volume 35 Issue 1
Jan.  2015
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Article Navigation >  Chinese Journal of Space Science  > 2015  >  35(1): 126-132
Yang Zhen, Gao Chen, Niu Wenlong, Meng Xin, Li Dalin. A Fast calculation method for coverage analysis of space telescope based on coordinates transformation and QTM code[J]. Chinese Journal of Space Science, 2015, 35(1): 126-132. doi: 10.11728/cjss2015.01.126
Citation: Yang Zhen, Gao Chen, Niu Wenlong, Meng Xin, Li Dalin. A Fast calculation method for coverage analysis of space telescope based on coordinates transformation and QTM code[J]. Chinese Journal of Space Science, 2015, 35(1): 126-132. doi: 10.11728/cjss2015.01.126
shu

A Fast calculation method for coverage analysis of space telescope based on coordinates transformation and QTM code

doi: 10.11728/cjss2015.01.126 cstr: 32142.14.cjss2015.01.126
  • 1.

    Key Laboratory of Electronics and Information Technology for Space Systems, Center for Space Science and Applied Research, Chinese Academy of Sciences, Beijing 100190

  • 2.

    University of Chinese Academy of Sciences, Beijing 100049

  • Received Date: 2014-01-04
  • Rev Recd Date: 2014-05-28
  • Publish Date: 2015-01-15
    Abstract
  • In sky coverage analysis, we present an efficient algorithm based on a coordinate transformation method to calculate the points on the boundary of detection field. In this method, the complexity of coordinates transformation is reduced by building a new Celestial Coordinates. Based on this algorithm, QTM, a coding method that has many advantages can be used to manage the data calculated. The main contents of this topic include: to build the quantitative calculation model for sky coverage; to establish the rasterized expression method of sky coverage analysis results; and to verify the method, analyse the accuracy of the method, compare the efficiency with the attitude-matrix transformation method and analytical method.

     

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