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  1. No Access

    Article

    Real-time GNSS tropospheric delay estimation with a novel global random walk processing noise model (GRM)

    Accurate modeling of tropospheric delays is crucial for the global navigation satellite system (GNSS), which finds extensive applications in early warning systems of natural hazards and extreme weather forecas...

    Zhilu Wu, Cuixian Lu, Yuxuan Tan, Yuxin Zheng, Yang Liu, Yanxiong Liu… in Journal of Geodesy (2023)

  2. No Access

    Article

    TropNet: a deep spatiotemporal neural network for tropospheric delay modeling and forecasting

    Water vapor plays an essential role in regulating the earth’s weather and climate, and the tropospheric delays caused by water vapor are one of the error sources in space geodetic techniques. Attributing to th...

    Cuixian Lu, Yuxin Zheng, Zhilu Wu, Yushan Zhang, Qiuyi Wang… in Journal of Geodesy (2023)

  3. No Access

    Article

    Rapid calibration of HY-2A satellite-borne microwave radiometer using coastal GNSS observations

    Satellite-borne microwave radiometers provide wet tropospheric correction (WTC) for altimetry observations, which is critical to high-accuracy sea surface height (SSH) measurements. However, it was reported th...

    Zhilu Wu, Yanxiong Liu, Yang Liu, Cuixian Lu, **ufeng He, Ke **… in Journal of Geodesy (2022)

  4. No Access

    Article

    Initial assessment of the COMPASS/BeiDou-3: new-generation navigation signals

    The successful launch of five new-generation experimental satellites of the China’s BeiDou Navigation Satellite System, namely BeiDou I1-S, I2-S, M1-S, M2-S, and M3-S, marks a significant step in expanding Bei...

    **aohong Zhang, Mingkui Wu, Wanke Liu, **ngxing Li, Shun Yu… in Journal of Geodesy (2017)

  5. No Access

    Article

    Improving BeiDou real-time precise point positioning with numerical weather models

    Precise positioning with the current Chinese BeiDou Navigation Satellite System is proven to be of comparable accuracy to the Global Positioning System, which is at centimeter level for the horizontal componen...

    Cuixian Lu, **ngxing Li, Florian Zus, Robert Heinkelmann, Galina Dick… in Journal of Geodesy (2017)

  6. No Access

    Article

    Real-time retrieval of precipitable water vapor from GPS and BeiDou observations

    The rapid development of the Chinese BeiDou Navigation Satellite System (BDS) brings a promising prospect for the real-time retrieval of zenith tropospheric delays (ZTD) and precipitable water vapor (PWV), whi...

    Cuixian Lu, **ngxing Li, Tobias Nilsson, Tong Ning… in Journal of Geodesy (2015)

  7. No Access

    Article

    Atmospheric modeling for co-located VLBI antennas and twin telescopes

    In the next generation VLBI network, the VLBI global observing system (VGOS), there will be several twin telescopes, i.e. stations equipped with a pair of VLBI telescopes with identical design. In this work we...

    Tobias Nilsson, Maria Karbon, Benedikt Soja, Robert Heinkelmann… in Journal of Geodesy (2015)