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- 2016
INS辅助整周模糊度单历元直接解法
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Abstract:
提出了一种无须进行搜索的单历元模糊度解法。首先，选择4颗基本卫星，使用INS位置坐标估计这些卫星各频点整周模糊度参数值；构建（1，-1）和（-3，4）组合模糊度，对（-3，4）组合模糊度进行多项式拟合，得到电离层延迟误差估值并进行误差补偿，削弱电离层误差等系统性影响后，直接取整固定组合模糊度；利用组合模糊度确定各频点模糊度后，回代求解接收机坐标，基于此坐标直接固定其他卫星各频点的模糊度。采用实测GNSS/INS数据对算法实现了有效性验证
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