Research on calculation method for change of space intersection angle of mapping camera

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Research on calculation method for change of space intersection angle of mapping camera

Modern applied optics | 更新时间：2020-08-12

- Research on calculation method for change of space intersection angle of mapping camera
- Optics and Precision Engineering Vol. 19, Issue 12, (2011)
- 作者机构：
  
  长春理工大学2. 中国科学院长春光学精密机械与物理研究所3. 中国科学院长春光机所4. 长春工业大学5. 长春光机所研究生部
- 作者简介：
- 基金信息：
- DOI：
  CLC： V416.5
- Received：19 April 2011，
  
  Revised：23 June 2011，
  
  Published Online：06 December 2011，
  
  Published：26 December 2011
- 稿件说明：
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韩旭,马军,王忠素,韩冬,黄涛. 测绘相机在轨空间交会角变化计算方法研究[J]. 光学精密工程, 2011, 19(12): 0-0.

HAN Xu,MA Jun,YU Zhong-Su,HAN Dong,HUANG Shou. Research on calculation method for change of space intersection angle of mapping camera[J]. Editorial Office of Optics and Precision Engineering, 2011, 19(12): 0-0.
韩旭,马军,王忠素,韩冬,黄涛. 测绘相机在轨空间交会角变化计算方法研究[J]. 光学精密工程, 2011, 19(12): 0-0. DOI：

HAN Xu,MA Jun,YU Zhong-Su,HAN Dong,HUANG Shou. Research on calculation method for change of space intersection angle of mapping camera[J]. Editorial Office of Optics and Precision Engineering, 2011, 19(12): 0-0. DOI：

摘要

为了保证在轨传输数据的可靠性，测绘相机在轨空间交会角要求5″内变化。对测绘相机交会角变化计算方法进行了研究。首先，利用I-deas软件计算了测绘相机在轨极端高温和低温两种工况的温度场。然后，将计算得到的温度场作为温度载荷施加给结构模型，实现了由温度网格到结构网格温度映射即简单有限元模型到复杂有限元模型载温度载荷映射，计算了测绘相机的热弹性变形，得到光学元件中心点变形量。最后，利用自编的软件计算了在两种极端温况下正视和后视相机在轨交会角变化。结果表明，测试相机在高温和低温工况下空间交会角的变化在5″的范围内。综合来看，该计算方法可以得到空间相机交会角的变化量，计算数据可以为测绘相机光机结构设计和热控方案的制定提供了数据保障。

Abstract

In order to ensure the reliability of transmitting datum on orbit

the change of space intersection angle of mapping camera is required in the scope of 5 seconds. In this paper

the calculation method is studied for the change of space intersection angle of mapping camera. First

the temperature field was calculated for high and low temperature operating condition with I-deas software. Then

the calculated temperature filed was input in structural model as temperature load. The temperature mapping was done from temperature model to structural model

namely

from simple model to complex model. The thermal-elastic deformation was calculated and the center of optical element deformation was got. Finally

the change of space intersection angle of mapping camera was calculated in two operating condition with self-programming software. The results show that the change of intersection angle is below when the temperature operating condition is changed. In a word

the calculated method can get the accurate change of intersection angle. The calculated data can benefit to the analysis on earth.

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Calculation of change of space intersection angle for mapping camera

Related Author

HAN Xu

MA Jun

WANG Zhong-su

HAN Dong

HUANG Tao

Related Institution

College of Opto-electronic Engineering, Changchun University of Science and Technology

Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences

School of Mechatronic, Changchun University of Technology

Institute of High Energy Physics, Chinese Academy of Sciences

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