Forecast for orientation errors of alt-alt photoelectric telescope

HAN Xue-bing; ZHANG Jing-xu; ZHAO Jin-yu; WANG Zhi; SONG Yun-duo; WANG Zhi-chen; ZHAO Yong

doi:10.3788/OPE.20101807.1595

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Forecast for orientation errors of alt-alt photoelectric telescope

Article | 更新时间：2020-08-12

- Forecast for orientation errors of alt-alt photoelectric telescope
- Optics and Precision Engineering Vol. 18, Issue 7, Pages: 1595-1604(2010)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院研究生院北京,100039
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20101807.1595
  CLC：
- Received：22 April 2009，
  
  Revised：18 November 2009，
  
  Published Online：30 July 2010，
  
  Published：20 July 2010
- 稿件说明：
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韩雪冰, 张景旭, 赵金宇, 王志, 宋云夺, 王志臣, 赵勇志, 吴小霞. 水平式光电望远镜目标定位误差的预测[J]. 光学精密工程, 2010,18(7): 1595-1604

HAN Xue-bing, ZHANG Jing-xu, ZHAO Jin-yu, WANG Zhi, SONG Yun-duo, WANG Zhi-chen, ZHAO Yong-zhi, WU Xiao-xia. Forecast for orientation errors of alt-alt photoelectric telescope[J]. 光学精密工程, 2010,18(7): 1595-1604
韩雪冰, 张景旭, 赵金宇, 王志, 宋云夺, 王志臣, 赵勇志, 吴小霞. 水平式光电望远镜目标定位误差的预测[J]. 光学精密工程, 2010,18(7): 1595-1604 DOI： 10.3788/OPE.20101807.1595.

HAN Xue-bing, ZHANG Jing-xu, ZHAO Jin-yu, WANG Zhi, SONG Yun-duo, WANG Zhi-chen, ZHAO Yong-zhi, WU Xiao-xia. Forecast for orientation errors of alt-alt photoelectric telescope[J]. 光学精密工程, 2010,18(7): 1595-1604 DOI： 10.3788/OPE.20101807.1595.

摘要

为了确定水平式光电望远镜的各主要误差对观测精度的影响

提高望远镜的指向精度

对它的目标定位误差进行了分析。针对水平式望远镜的结构特点

通过分析从被测目标到望远镜相面产生目标定位误差的光、机、电等各种误差因素

建立了水平式望远镜目标定位测量方程。应用蒙特卡罗法进行误差仿真

预测出水平式望远镜的目标定位误差

并对各误差的敏感性进行了分析。选取敏感性高的误差项建立误差补偿模型

对实拍星体误差进行补偿实验

结果表明:补偿后经轴转角误差标准差从66.4降低到3.3

下降了95%;纬轴转角误差标准差从49.4降低到 5.6

下降了89%。所用方法和模型能够对主要误差进行分析和预测

可为水平式光电望远镜的总体设计提供参考。

Abstract

The orientation errors of an alt-alt photoelectric telescope are analyzed to determine the effects of the main errors of telescope on measuring accuracy and to improve the pointing precision.By analyzing optical

mechanical and electrical errors from a measured target to the telescope picture

the measuring equations of alt-alt telescope are established. Then

by using Monte Carlo method

the orientation errors are forecasted and the sensitivity of errors to pointings is analyzed.Furthermore

an error correction model is built based on the high sensitivity errors. The result of correction test indicates that the standard error of the longitude axis rotation angle has reduced by 95% from 66.4 to 3.3

and that of the latitude axis rotation angle has reduced by 89% from 49.4to 5.6. These results show that the model and the method not only can analyze and synthesize the main errors

but also can provide a reference for the whole design.

关键词

Keywords

references

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张景旭.大口径地基光电望远镜结构总体研究 . 中科院长春光学精密机械与物理研究所,2008:26-31. ZHANG J X. Study on macro-structure of large ground-based electro-optical telescope . Changchun Institute of Optics,Fine Mechanics and Physics,Chinese A caddemy of Sciences,2008:26-31.(in Chinese)

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王家骐.光学仪器总体设计[M]. 长春光学精密机械与物理研究所研究生部教材,1998:129-169. WANG J Q.Optical Instrument Collectivity Design[M]. Teaching Material of Department of Graduate of Changchun Institute of Optics, Fine Mechanics and Physics,1998:129-169.(in Chinese)

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王晶,高利民,姚俊峰. 机载测量平台中的坐标转换误差分析[J]. 光学精密工程,2009,17(2):388-394. WANG J, GAO L M, YAO J F. Analysis on coordinate conversion error of airborne measuring device[J]. Opt. Precision Eng., 2009,17(2):388-394.(in Chinese)

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