研究了一种改进的三频模糊度解算方法。对宽巷和窄巷模糊度固定时受到的噪声误差进行分析得出,选用文中给出的无几何无电离层组合解算的窄巷模糊度噪声标准差均为B3载波波长的8.262 8倍。用实测的北斗三频数据进行了实验验证分析。
This paper studies a modified TCAR method and analyzes the noise error that affects the ambiguity resolution of wide lane(WL) and NL, and points out that the noise standard deviation of the geometry-free and ionosphere-free combinations given by this paper all equal 8. 262 8 times the B3 carrierwave length. Finally, the real measured Beidou navigation satellite system(BDS) triple-fre-quency data is used to verify and analyze the conclusion.