一种顾及BDS-3星座全频点观测信息的周跳探测模型

doi:10.13474/j.cnki.11-2246.2025.0119

测绘通报 ›› 2025, Vol. 0 ›› Issue (1): 112-120.doi: 10.13474/j.cnki.11-2246.2025.0119

• 学术研究 • 上一篇

一种顾及BDS-3星座全频点观测信息的周跳探测模型

黄信^1,2, 兰鹏¹, 钱鑫²

1. 北京城建勘测设计研究院有限责任公司, 浙江杭州 310019;
2. 安徽理工大学空间信息与测绘工程学院, 安徽淮南 232001

收稿日期:2024-05-10 发布日期:2025-02-09
通讯作者: 钱鑫。E-mail:2921525962@qq.com
作者简介:黄信(1984—),男,硕士,高级工程师,研究方向为GNSS数据处理。E-mail:huangxin202405@163.com
基金资助:
国家自然科学基金(52074010);安徽省自然科学基金(2108085QD173)

A cycle slip detection model taking full frequency observation information of BDS-3 constellation into account

HUANG Xin^1,2, LAN Peng¹, QIAN Xin²

1. Beijing Urban Construction Exploration & Surveying Design Research Institute Co., Ltd., Hangzhou 310019, China;
2. School of Spatial Information and Geomatics Engineering, Anhui University of Science and Technology, Huainan 232001, China

Received:2024-05-10 Published:2025-02-09

摘要/Abstract

摘要： BDS-3为用户提供高精度位置服务,然而受复杂的应用环境影响,BDS-3高质量服务正面临严峻挑战。为完善以周跳探测为核心的观测数据质量控制模型,并充分考虑BDS-3提供的多频观测信息,本文提出顾及BDS-3全频点的周跳探测模型。首先,在多频线性无几何组合(GF)的基础上,构建基于相位观测的历元差分周跳检测量;然后,利用多频伪距与相位几何不变组合(GB),建立一种多频宽巷模糊度检测量;最后,提出一种基于最小二乘算法的多频组合模型系数快速估计方法。通过多频静态观测数据与实测的动态数据分析表明,本文模型可构建多种线性无关检测量,可实现BDS-3多频观测信息的充分利用,并对各频率上的周跳进行有效探测处理,对完善质量控制模型并实现BDS-3创新应用具有重要意义。

关键词: BDS-3, 周跳探测, 全频点观测, 多频线性组合, 最小二乘

Abstract: BDS-3 is providing the high-precision location-based services. However, due to the impacts of the complicated application environments of users side, the high-quality services of BDS-3 constellation are confronted with challenges. To improve the observation quality control model based on the cycle slip detection solution, a cycle slip detection model of BDS-3 frequency-wide observations is proposed, where the multi-frequency BDS-3 observations are fully used. Firstly, the cycle slip detection values of the epoch-difference phase are constructed by the combinations of the multi-frequency geometry-free(GF) equations. Then, the geometry-based(GB) equations of multi-frequency code and phase observations are used to construct the wide-lane ambiguity of cycle slip detection values. Finally, a method to estimate the model coefficients of the multi-frequency combination models are proposed based the least square algorithm. According to the observations of the static stations and vehicle onboard, it is indicated that a variety of linearly independent cycle slip detection can be obtained by taking the full frequency of BDS-3 into account. Meanwhile, the proposed model can fully utilize the BDS-3 multi-frequency observations to detect the cycle slip. Therefore, It is of great significance to perfect the quality control model and realize the innovative application of BDS-3 based on the proposed method.

Key words: BDS-3, cycleslip detection, frequency-wide observations, multi-frequency linear combination, least square

中图分类号:

P228

黄信, 兰鹏, 钱鑫. 一种顾及BDS-3星座全频点观测信息的周跳探测模型[J]. 测绘通报, 2025, 0(1): 112-120.

HUANG Xin, LAN Peng, QIAN Xin. A cycle slip detection model taking full frequency observation information of BDS-3 constellation into account[J]. Bulletin of Surveying and Mapping, 2025, 0(1): 112-120.

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一种顾及BDS-3星座全频点观测信息的周跳探测模型

A cycle slip detection model taking full frequency observation information of BDS-3 constellation into account

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