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中文摘要：
在区域差分增强中，常利用相位平滑伪距来减小多路径效应及伪距观测噪声的影响，而现有的码相无发散平滑方法仅仅利用了单频伪距信息。为进一步降低多路径效应的影响，提高北斗伪距差分定位的精度，提出基于观测值加权的相位平滑伪距方案。利用实测的北斗数据对该方法进行验证，明显改善了定位精度。
英文摘要：
The carrier phase smoothing is generally used to reduce the influence of multi-path effect and measurement noise in reginal area augmentation system, and only single frequency pseudorange observations are used in the divergence-free smoothing. A smoothing scheme based on the linear combination of code measurement for redusing theinfluence of multi-path effect, and improving the accuracy of Beidou code differential position, is proposed in this paper. The results calculated with the new method for real data was show that the position accuracy is significantly improved.
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