| 一种新的整周模糊度快速求解算法 |
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| 引用本文： | 何晓峰,胡小平.一种新的整周模糊度快速求解算法[J].南京航空航天大学学报(英文版),2005,22(2). |
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| 作者姓名： | 何晓峰 胡小平 |
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| 摘 要： | 快速求解整周模糊度是利用GPS载波相位进行精确相对定位的关键技术.基于LAMBDA算法和FASF算法,提出了一种新的整周模糊度快速求解算法.该算法充分结合LAMBDA算法和FASF算法的优点,首先运用LAMBDA算法中的空间变换的思想,然后利用FASF算法的模糊度搜索技术,提高了模糊度求解效率.通过对1 km左右基线的相对定位实验表明:算法利用几个历元的数据可以正确地求解模糊度,使基线精度达到亚厘米级.
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| 关 键 词： | GPS 载波相位 相对定位 整周模糊度 |
NEW ALGORITHM FOR FAST INTEGER AMBIGUITY RESOLUTION |
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| HE Xiao-feng,HU Xiao-ping.NEW ALGORITHM FOR FAST INTEGER AMBIGUITY RESOLUTION[J].Transactions of Nanjing University of Aeronautics & Astronautics,2005,22(2). |
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| Authors: | HE Xiao-feng HU Xiao-ping |
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| Abstract: | Fast integer ambiguity resolution is referred as a key part in precision relative positioning of the GPS carrier phase. A new algorithm for fast integer ambiguity resolution based on LAMBDA and FASF methods is proposed. This algorithm integrates the LAMBDA method and the FASF method, thus improving the efficiency of the ambiguity resolution. Firstly, the ambiguity search space transformation in the LAMBDA method is used, and then the FASF method is used to search ambiguities. Experiments in the relative positioning of about 1 km static baseline demonstrate that the error is less than 1 cm. |
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| Keywords: | GPS carrier phase relative positioning integer ambiguity |
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