基于模糊域搜索策略的GNSS整数模糊度求解方法

2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT) Pub Date : 2016-08-01 DOI:10.1109/ICEICT.2016.7879723

Z. Dou, Jiaji Sun, Wenxu Zhang, Jianbo Hu

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引用次数: 2

摘要

针对模糊度实数精度和高维数对LAMBDA搜索策略的影响，提出了一种新的整数模糊度求解方法。它的搜索效率非常接近自举算法，成功率更高。原因在于新方法设置了合理的模糊保留数。通过与SE-VB方法结合使用，缩小了SE-VB算法的初始搜索半径，有效地减少了计算时间。最后，在GPS精确定位实验中对比了bootstrap、SE-VB和新方法，进一步验证了新算法的有效性。

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A GNSS integer ambiguity resolution method based on ambiguity domain search strategy

A new integer ambiguity resolution method is proposed to solve influence caused by Ambiguity real solutions accuracy and high dimensions on LAMBDA search strategy. Its search efficiency is very close to bootstrap algorithm and the success rate is higher. The reason is that the new method set reasonable number of ambiguity reservation number. By using in conjunction with SE-VB method, it Narrows the initial search radius of SE-VB algorithm and effectively reduces the computation time. Finally, the comparison of bootstrap, SE-VB and the new method in a GPS precise positioning experiment further verifies the effectiveness of the new algorithm.

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2016 IEEE International Conference on Electronic Information and Communication Technology (ICEICT)

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