一种用于InSAR/INS组合导航的姿态角反演方法

doi:10.3969/j.issn.0372-2112.2018.03.001

电子学报 ›› 2018, Vol. 46 ›› Issue (3): 513-519.DOI: 10.3969/j.issn.0372-2112.2018.03.001

• 学术论文 • 下一篇

一种用于InSAR/INS组合导航的姿态角反演方法

蒋帅^1,2, 汪丙南¹, 向茂生^1,2, 付希凯^1,2, 孙小凡^1,2, 李银伟³

1. 中国科学院电子学研究所微波成像技术重点实验室, 北京 100190;
2. 中国科学院大学, 北京 100049;
3. 上海无线电设备研究所, 上海 200090

收稿日期:2016-11-25 修回日期:2017-04-12 出版日期:2018-03-25
- 通讯作者:
- 汪丙南
- 作者简介:
- 蒋帅,男,1990年出生,中国科学院电子学研究所在读博士生,研究方向为干涉合成孔径雷达信号处理、组合导航.E-mail:jiangshuai13@mails.ucas.ac.cn;向茂生,男,1964年出生,博士生导师,研究员,研究领域为干涉合成孔径雷达原理、方法与应用.E-mail:xms@mail.ie.ac.cn
- 基金资助:
- 中国科学院创新交叉团队项目; 上海市自然科学基金 (No.15ZR1439500）; 国家自然科学基金资助项目 (No.41601508）

An Inversion Method of the Attitude for InSAR/INS Integrated Navigation

JIANG Shuai^1,2, WANG Bing-nan¹, XIANG Mao-sheng^1,2, FU Xi-kai^1,2, SUN Xiao-fan^1,2, LI Yin-wei³

1. State Key Laboratory of Microwave Imaging Technology, Institute of Electronics, Chinese Academy of Sciences, Beijing 100190, China;
2. University of Chinese Academy of Sciences, Beijing 100049, China;
3. Shanghai Radio Equipment Research Institude, Shanghai 200090, China

Received:2016-11-25 Revised:2017-04-12 Online:2018-03-25 Published:2018-03-25
- Corresponding author:
- WANG Bing-nan

摘要/Abstract

摘要： 平台的姿态信息对导航十分重要，但合成孔径雷达辅助惯导系统无法获得平台的姿态信息，单天线GPS（Global Positioning System）无法完成姿态测量的需求.针对以上问题提出基于条纹匹配的干涉合成孔径雷达辅助惯导的组合导航方法，该导航方法中干涉合成孔径雷达系统对平台的姿态角比较敏感，可以高精度地反演平台的姿态信息.本文通过分析平台的姿态误差对定位误差的影响，建立姿态角反演模型，根据条纹匹配得到的定位偏移结果，利用Levenberg-Marquardt（LM）算法求解非线性方程组完成平台姿态角的反演.最后通过仿真和干涉合成孔径雷达实际数据验证了姿态角反演模型的有效性.

关键词: InSAR/INS组合导航, 条纹匹配, 姿态角反演模型, LM算法

Abstract: The attitude information of the platform is important for navigation, but the attitude information of the platform cannot be obtained in the synthetic aperture radar (SAR) aided inertial navigation system (SAR/INS). The single-antenna global positioning system (GPS) cannot complete the requirement of attitude measurement. Therefore, we propose a method of interferometric SAR aided INS (InSAR/INS) system based on interferogram matching. The InSAR system is susceptible to the attitude of the platform, therefore, the attitude of the platform can be inversed by the interferometric system with high precision. In this article, we analyze the effects of attitude errors on the location error and establish the inversion model of attitude. According to the location errors gained by interferogram matching, we can obtain the attitude information through solving nonlinear equation sets with Levenberg Marquardt (LM) algorithm. At last, we verify the validity of inversion model by simulation and actual data.

Key words: InSAR/INS integrated navigation, interferogram matching, inversion model of attitude, LM algorithm

中图分类号:

V249
TN959

蒋帅, 汪丙南, 向茂生, 付希凯, 孙小凡, 李银伟. 一种用于InSAR/INS组合导航的姿态角反演方法[J]. 电子学报, 2018, 46(3): 513-519.

JIANG Shuai, WANG Bing-nan, XIANG Mao-sheng, FU Xi-kai, SUN Xiao-fan, LI Yin-wei. An Inversion Method of the Attitude for InSAR/INS Integrated Navigation[J]. Acta Electronica Sinica, 2018, 46(3): 513-519.

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一种用于InSAR/INS组合导航的姿态角反演方法

An Inversion Method of the Attitude for InSAR/INS Integrated Navigation

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