基于值域的GNSS姿态测量改进算法研究

李世杰; 李治安; 庞春雷; 余永林; 王勇

doi:10.11959/j.issn.1000-436x.2016023

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基于值域的GNSS姿态测量改进算法研究

学术通信 | 更新时间：2024-06-05

- 基于值域的GNSS姿态测量改进算法研究
- Improved algorithm based on result zone for GNSS attitude measurement
- 通信学报 2016年37卷第1期页码：192-198
- 作者机构：
  
  空军工程大学信息与导航学院，陕西西安 710077
- 作者简介：
  
  [ "李世杰（1990-），男，河南安阳人，空军工程大学硕士生，主要研究方向为卫星导航与定位。" ]
  [ "李治安（1957-），男，陕西西安人，空军工程大学教授，主要研究方向为卫星及无线电导航技术。" ]
  [ "庞春雷（1986-），男，安徽阜阳人，空军工程大学讲师，主要研究方向为卫星导航高精度定位及组合导航技术。" ]
  [ "王勇（1989-），男，山东潍坊人，空军工程大学博士生，主要研究方向为卫星导航与定位。" ]
- 基金信息：
  
  国家自然科学基金资助项目(61273049)
- DOI：10.11959/j.issn.1000-436x.2016023
  中图分类号： TN967.1
- 网络出版日期：2016-01，
  
  纸质出版日期：2016-01-25
- 稿件说明：
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李世杰, 李治安, 庞春雷, 等. 基于值域的GNSS姿态测量改进算法研究[J]. 通信学报, 2016,37(1):192-198.

jie LIShi, an LIZhi, lei PANGChun, et al. Improved algorithm based on result zone for GNSS attitude measurement[J]. Journal on communications, 2016, 37(1): 192-198.
李世杰, 李治安, 庞春雷, 等. 基于值域的GNSS姿态测量改进算法研究[J]. 通信学报, 2016,37(1):192-198. DOI： 10.11959/j.issn.1000-436x.2016023.

jie LIShi, an LIZhi, lei PANGChun, et al. Improved algorithm based on result zone for GNSS attitude measurement[J]. Journal on communications, 2016, 37(1): 192-198. DOI： 10.11959/j.issn.1000-436x.2016023.

摘要

针对基于值域的全球卫星导航系统（GNSS

global navigation satellite system）姿态测量方法没有考虑搜索域相关性而造成初始化时间长、搜索范围大的问题，提出了一种模糊度反约束值域搜索的改进方法。首先推导了固定基线长度条件下模糊度搜索空间，然后利用较小的2个搜索空间及其与俯仰角、航向角的关系重新确立了二维搜索域组合，最后根据值域搜索在基线二次残差最小情况下确定整周模糊度。实验结果表明，该算法充分利用了搜索域的相关性信息，减小了搜索空间，并将初始化时间缩短到40 s以内。

Abstract

The correlation of search zone was not included in the result zone algorithm for GNSS attitude measurement

which led to extended time for initialization and oversize range for searching

then an improved algorithm in which search zone was bounded by ambiguity was proposed in the following procedures. First

search space for ambiguity with the condition of fixed baseline length was deduced. Then combination of two dimensional search zone was established by the smaller two search spaces and their relations with heading and elevation angle. Finally the integer ambiguity was de-fined on the basis of result zone search with the mini l two-order residuals of baseline. The experiment reveals that the correlative information on search zone is fully exploited and the size of search space is reduced

with time for initializa-tion reduced to less than 40 seconds.

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Keywords

references

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