Regression and compensation of measuring data for shipboard theodolite

SHENG Lei; WU Zhi-yong; GAO Shi-jie; LIU Zhi-chun; GAO Ce; WANG Shi-gang

doi:10.3788/OPE.20142209.2536

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Regression and compensation of measuring data for shipboard theodolite

更新时间：2020-08-13

- Regression and compensation of measuring data for shipboard theodolite
- Optics and Precision Engineering Vol. 22, Issue 9, Pages: 2536-2544(2014)
- 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. 中国科学院大学北京,中国,100049
  3. 吉林大学通信工程学院,吉林长春,中国,130012
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20142209.2536
  CLC： U666;TH761.1
- Received：30 July 2013，
  
  Revised：12 October 2013，
  
  Published：2014
- 稿件说明：
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盛磊, 吴志勇, 高世杰等. 船载经纬仪测量数据的回归及补偿[J]. 光学精密工程, 2014,22(9): 2536-2544

SHENG Lei, WU Zhi-yong, GAO Shi-jie etc. Regression and compensation of measuring data for shipboard theodolite[J]. Editorial Office of Optics and Precision Engineering, 2014,22(9): 2536-2544
盛磊, 吴志勇, 高世杰等. 船载经纬仪测量数据的回归及补偿[J]. 光学精密工程, 2014,22(9): 2536-2544 DOI： 10.3788/OPE.20142209.2536.

SHENG Lei, WU Zhi-yong, GAO Shi-jie etc. Regression and compensation of measuring data for shipboard theodolite[J]. Editorial Office of Optics and Precision Engineering, 2014,22(9): 2536-2544 DOI： 10.3788/OPE.20142209.2536.

摘要

基于舰载经纬仪的使用条件，分析了各测量范围内船姿变量和测角量之间的关系，提出了分段回归模型，并给出了舰载光测设备的回归测量方案及补偿方法。首先，基于船姿测角误差模型，结合多次不同测角范围内的实测数据残差，分析各测量变量间的相关性；通过摇摆台实验，结合双GPS定位数据，对测量数据进行分段双回归，建立了回归数据库。然后，提出了在执行任务前为事后回归处理进行附加观测的方案。最后，基于附加测量残差和回归数据库，提出以测量条件相似度为依据对任务数据进行补偿的方法。实验结果表明，船姿误差最大（航向72"，纵倾24"，横倾24"）时，补偿后光测设备的方位测角均方差由小于等于57"变为小于等于21"，俯仰测角均方差则由小于等于34"变为小于等于17"，基本满足了舰载光测设备对数据处理精度及稳定性的要求。

Abstract

On the basis of service conditions of a shipboard theodolite

the relationship between ship-attitudes in different scopes and measuring angles was analyzed

a segmented regression model was put forward

and a scheme of regression and compensation for the shipboard optical measurement equipment was given. Firstly

based on the ship-attitude error model and several different residual errors of experimental data

the correlation between the measured variables was analyzed. According to the characteristics of shipboard equipment

a segmented dual-regression model was given

and a regression database was established. Then

an additional observation scheme before mission was proposed for afterward regressing. Finally based on the additional measurement residual errors and the regression database

the compensating method was explained based on measuring condition similarity. The experimental results after compensation by proposed method show that the angle measuring errors(RMS) of the equipment change from less than or equal to 57" into 21" for the azimuth

and from 34" into 17" for the pitch respectively

when the maximum ship-attitude errors are at the head of 72"

pitch of 24" and the roll of 24". The scheme basically meets the precision and stability requirements of the data processing for shipboard optical measurement equipment.

关键词

Keywords

references

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