1–11 von 11 Ergebnissen
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    Optimization of ground tracking stations for BDS-3 satellite orbit determination

    Zhang, Rui / Tu, Rui / Zhang, Pengfei et al. | Elsevier | 2021

    GPS and BDS combined PPP model with inter-system differenced observations

    Tu, Rui / Hong, Ju / Zhang, Rui et al. | Elsevier | 2019

    Contribution analysis of QZSS to single-frequency PPP of GPS/BDS/GLONASS/Galileo

    Hong, Ju / Tu, Rui / Zhang, Rui et al. | Elsevier | 2020

    Characteristics of inter-system biases in Multi-GNSS with precise point positioning

    Hong, Ju / Tu, Rui / Gao, Yaping et al. | Elsevier | 2019

    A study of GPS PPP velocity estimation with the constraints of Doppler observation

    Wang, Xingxing / Tu, Rui / Zhang, Rui et al. | Elsevier | 2020