4 Result(s)
within
Qingzhi Zhao
Engineering
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Chapter and Conference Paper
High Temporal Resolution of PWV Acquisition Method and Its Preliminary Application in Yunnan
Rapid variation of atmospheric water vapor is important to the regional hydrologic cycle and climate change. Due to the lack of high temporal resolution precipitable water vapor data, it is tough to monitor th...
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Chapter and Conference Paper
An Improved Method of ZTD Model in Yunnan Province Based on GPT2w Model
The GPT2w model is one of the currently disclosed high-precision empirical models of tropospheric key parameters. The model can provide a variety of meteorological parameters, and the ZTD can be calculated usi...
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Chapter and Conference Paper
A Troposphere Tomography Method by Combining the Truncation Coefficient and Variance Component Analysis
Traditional troposphere tomography method cannot use the GNSS signals penetrating from the side face of research area, which not only decreases the utilization rate of GNSS observation but also leads to a low ...
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Chapter and Conference Paper
The Research on Four-Dimensional Water Vapor Tomography Based on Real-Time PPP Technique
With the development of International GNSS Service (IGS) real-time pilot project (RTPP) acquiring precipitable water vapor (PWV) with high accuracy has become a reality based on the real-time precise point poi...
