北斗三频伪距相关随机模型单站建模方法

doi:10.11947/j.AGCS.2016.F038

测绘学报 ›› 2016, Vol. 45 ›› Issue (S2): 165-171.doi: 10.11947/j.AGCS.2016.F038

北斗三频伪距相关随机模型单站建模方法

黄令勇^1,2,3, 吕志平³, 吕浩³, 宫轶松⁴

1. 地理信息工程国家重点实验室, 陕西西安 710054;
2. 中国天绘卫星中心, 北京 102102;
3. 信息工程大学地理信息学院, 河南郑州 450002;
4. 31002部队, 北京 100195

收稿日期:2016-11-25 修回日期:2016-12-20 出版日期:2017-05-20 发布日期:2017-05-20
作者简介:黄令勇(1987-),男,博士,工程师,主要从事GNSS精密定位和航天遥感测绘处理理论与方法研究。E-mail:hlylj87@126.com
基金资助:
国家自然科学基金（41674019；41274013）；地理信息工程国家重点实验室开发基金（SKLGIE2015-M-2-1）

The BDS Triple Frequency Pseudo-range Correlated Stochastic Model of Single Station Modeling Method

HUANG Lingyong^1,2,3, LÜ Zhiping³, LÜ Hao³, GONG Yisong⁴

1. State Key Laboratory of Geo-information Engineering, Xi'an 710054, China;
2. China Aerospace Surveying and Mapping Satellite Center, Beijing 102102, China;
3. Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 450002, China;
4. The 31002 Troops, Beijing 100695, China

Received:2016-11-25 Revised:2016-12-20 Online:2017-05-20 Published:2017-05-20
Supported by:
The National Natural Science Foundation of China (Nos. 41674019;41274013);The State Key Laboratory of Geo-information Engineering Foundation(No. SKLGIE 2015-M-2-1)

摘要/Abstract

摘要：

为了提供可靠的伪距随机模型，基于3个线性无关的北斗三频伪距/载波无几何无电离层（GIF）组合，研究了一种利用单站数据估计北斗三频伪距相关随机模型算法。该算法首先利用低阶多项式对GIF组合进行拟合，以尽可能消除非伪距噪声以外的其他常数和误差，然后利用多元线性回归分析实现对3个线性无关的GIF组合随机噪声同时建模，最后再由线性组合关系变换得到原始北斗三频伪距相关随机模型。经北斗三频实测数据验证结果表明，该算法可实现北斗非差三频伪距相关随机模型的单站解算，有利于为导航定位以及完好性监测提供精准随机模型。

关键词: 伪距相关, 随机模型, 北斗三频, 无几何无电离层组合

Abstract:

In order to provide a reliable pseudo-range stochastic model, a method is studied to estimate the BDS triple-frequency pseudo-range related stochastic model based on three BDS triple-frequency pseudo-range minus carrier (GIF) combinations using the data of a single station. In this algorithm, the low order polynomial fitting method is used to fit the GIF combination in order to eliminate the error and other constants except non pseudo noise at first. And then, multiple linear regression analysis method is used to model the stochastic function of three linearly independent GIF combinations. Finally the related stochastic model of the original BDS triple-frequency pseudo-range observations is obtained by linear transformation. The BDS triple-frequency data verification results show that this algorithm can get a single station related stochastic model of BDS triple-frequency pseudo-range observation, and it is advantageous to provide accurate stochastic model for navigation and positioning and integrity monitoring.

Key words: pseudo-range related, stochastic model, BDS triple-frequency, GIF combination

中图分类号:

P228.4

黄令勇, 吕志平, 吕浩, 宫轶松. 北斗三频伪距相关随机模型单站建模方法[J]. 测绘学报, 2016, 45(S2): 165-171.

HUANG Lingyong, LÜ Zhiping, LÜ Hao, GONG Yisong. The BDS Triple Frequency Pseudo-range Correlated Stochastic Model of Single Station Modeling Method[J]. Acta Geodaetica et Cartographica Sinica, 2016, 45(S2): 165-171.

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北斗三频伪距相关随机模型单站建模方法

The BDS Triple Frequency Pseudo-range Correlated Stochastic Model of Single Station Modeling Method

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