| 基于模糊聚类分析法的BDS长基线模糊度解算 |
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| 引用本文： | 李毓照,闫浩文,杨维芳,王世杰.基于模糊聚类分析法的BDS长基线模糊度解算[J].大地测量与地球动力学,2021,41(10):1040-1044. |
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| 作者姓名： | 李毓照 闫浩文 杨维芳 王世杰 |
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| 作者单位： | 兰州交通大学测绘与地理信息学院,兰州市安宁西路88号,730070;地理国情监测技术应用国家地方联合工程研究中心,兰州市安宁西路88号,730070;甘肃省地理国情监测工程实验室,兰州市安宁西路88号,730070 |
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| 摘 要： | 为探求BDS长基线模糊度解算的最优组合观测量，基于模糊聚类分析法分别选取2个BDS最优超宽巷组合和1个最优窄巷组合共同构建TCAR模型，分别采用GF_TCAR、GB_TCAR和GIF_TCAR模型对实测BDS长基线进行模糊度解算。实验表明，3种模型解算超宽巷组合模糊度的结果基本一致； GF_TCAR模型解算模糊聚类分析法所得最优窄巷组合(3,0,-2)的相邻历元组合模糊度差值优于常用的(4,2,-5)组合；GB_TCAR模型解算IGSO卫星时，窄巷组合(3,0,-2)的结果优于(4,2,-5)组合，而解算GEO、MEO卫星时2种窄巷组合结果一致；GIF_TCAR模型解算窄巷组合(3,0,-2)的结果略逊于(4,2,-5)组合。
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| 关 键 词： | BDS 长基线 TCAR 模糊聚类分析 模糊度解算 |
Ambiguity Resolution of BDS Long Baseline Based on Fuzzy Clustering Analysis Method |
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| LI Yuzhao,YAN Haowen,YNAG Weifang,WANG Shijie.Ambiguity Resolution of BDS Long Baseline Based on Fuzzy Clustering Analysis Method[J].Journal of Geodesy and Geodynamics,2021,41(10):1040-1044. |
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| Authors: | LI Yuzhao YAN Haowen YNAG Weifang WANG Shijie |
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| Abstract: | In order to explore the optimal combinations for BDS long-baseline ambiguity resolution, we select two optimal combinations of extra-wide lanes and an optimal combination of narrow lanes of BDS based on fuzzy clustering analysis to jointly construct the TCAR model, and use three models of GF_TCAR, GB_TCAR and GIF_TCAR to resolve the ambiguity of the measured long baseline for BDS. The experimental results show that all three models equally solve the combination ambiguity results of extra-wide lanes. Using GF_TCAR to calculate the adjacent epoch ambiguity difference of the optimal narrow-lane combination (3,0,2) obtained by fuzzy clustering analysis method is better than that of the commonly used combination (4,2,5). When using GB_TCAR to solve IGSO satellites, the narrow-lane combination (3,0,2) is superior to the combination (4,2,5), but the results of the two narrow lanes are consistent when solving GEO and MEO satellites. The narrow-lane combination (3,0,2) calculated by GIF_TCAR is slightly inferior to the combination (4,2,5). |
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| Keywords: | BDS long baseline TCAR fuzzy clustering analysis ambiguity resolution |
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