[1] [1] Gary Johnston, Anna Riddell, Grant Hausler. The International GNSS Service[M]. Springer International Publishing, 2017.

[2] Wei Erhu, Liu Xuexi, Liu Jingnan. Accuracy evaluation and analysis of single point positioning with BeiDou and GPS[J]. Bulletin of Surveying and Mapping, 1-5(2017).

[3] [3] Li Dengao, Jia Xuan, Zhao Jumin, et al. SLAMGNSSINS integrated navigation algithm based on extended Kalman filter[C]The 9th China Satellite Navigation Conference, 2018.

[4] Wahlström J, Skog I, Händel P. Detection of dangerous cornering in GNSS-Data-Driven insurance telematics[J]. IEEE Transactions on Intelligent Transportation Systems, 16, 3073-3083(2015).

[5] Li Dengao, Liu Jinqiang, Zhao Jumin. Space-time anti-jamming processing technology with improved variable step size algorithm[J]. Computer Simulation, 4, 218-222(2016).

[6] Wang P, Morton Y J. Multipath estimating delay lock loop for LTE signal TOA estimation in indoor and urban environments[J]. IEEE Transactions on Wireless Communications, 19, 5518-5530(2020).

[7] Liu Wei, Li Changgeng, Man Xiaosan. GPS/BDS combined RTK algorithm based on partial ambiguity resolution[J]. Engineering of Surveying and Mapping, 27, 11-15(2018).

[8] [8] Li Mingyu. Research on key technologies of GNSSINS deep combination based on vect tracking[D]. Beijing: China Academy of Launch Vehicle Technology, 2019.(in Chinese)

[9] [9] Song X, Wang J, Li Q, et al. Robust constrained constant modulus algithm[C]Advances in Neural wks – ISNN, 2012: 14.

[10] [10] Wu Xing. Research on spacetime twodimensional antijamming algithm of satellite navigation terminal[D]. Harbin: Harbin Engineering University, 2019.(in Chinese)

[11] [11] Weill L R. Multipath mitigation using modernized GPS signals: how good can it get[C]Proceedings of the 15th International Technical Meeting of the Satellite Division of The Institute of Navigation (ION GPS 2002), 2001: 493505.

[12] Xu Lu, Sun Fengmei, Sun Xubao. Performance analysis of typical navigation signals[J]. Information Technology and Information Technology, 103-106(2019).

[13] Qiu L, Cai Y, Zhao M. Low-complexity variable forgetting factor mechanisms for adaptive linearly constrained minimum variance beamforming algorithms[J]. Signal Processing Iet, 9, 154-165(2015).

[14] Li X, Ge M, Dai X, et al. Accuracy and reliability of multi-GNSS real-time precise positioning: GPS, GLONASS, BeiDou, and Galileo[J]. Journal of Geodesy, 89, 607-635(2015).

[15] Chen Kexun, Zhang Xueyin. Simulation research on high precision multimode GNSS positioning algorithm[J]. Journal of Intelligent& Fuzzy Systems, 35, 4037-4048(2018).

[16] Asad S M, Moinuddin M, Zerguine A, et al. A robust and stable variable step-size design for the least-mean fourth algorithm using quotient form[J]. Signal Processing, 162, 196-210(2019).

[17] [17] Li Dengao, Liu Ya, Zhao Jumin, et al. Research on BDS multipath signal separation multiplexing algithm based on BP neural wk[C]China Satellite Navigation Conference. 2017.

[18] Wang Jianmin, Xia Xuefei, Zhu Huizhong, et al. Pseudo-range single-point positioning accuracy analysis of GPS/BDS integrated system[J]. Surveying and Spatial Information Technology, 41, 143-145+150(2018).

[19] [19] He Hongfang. Research on positioning algithm of GPSBDS combined system[D]. Chongqing: Chongqing University of Posts Telecommunications, 2019.(in Chinese)