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Article
Open AccessMolecular basis for DNA cleavage by the hypercompact Cas12j-SF05
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Article
Real-time tropospheric delay map retrieval using sparse GNSS stations
Global Navigation Satellite System (GNSS) is one of the popular approaches for zenith tropospheric delay (ZTD) retrieval due to its advantages of high precision and high temporal resolution. However, obtaining...
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Article
A high-precision ZTD interpolation method considering large area and height differences
The existing methods for retrieving high-spatial resolution zenith tropospheric delay (ZTD), such as interpolation and fitting methods, are not suitable for large areas and large height differences. A high-pre...
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Article
An improved GNSS tropospheric tomography method with the GPT2w model
The GNSS tropospheric tomography technique has been proven to be a powerful tool for three-dimensional water vapor reconstruction. In most previous studies, the signals leaving the side face of the tomography ...
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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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Article
Open AccessShort-term rainfall forecast model based on the improved BP–NN algorithm
The existing methods have been used the Zenith Total Delay (ZTD) or Precipitable Water Vapor (PWV) derived from Global Navigation Satellite System (GNSS) for rainfall forecasting. However, the occurrence of ra...
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Article
Performance analysis of indoor pseudolite positioning based on the unscented Kalman filter
The indoor pseudolite (PL) code-based solution is not sufficiently precise, and conducting prolonged static carrier phase observations is impractical due to the static PL geometric distribution. Thus, a high-p...
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Article
A new troposphere tomography algorithm with a truncation factor model (TFM) for GNSS networks
For previous studies of global navigation satellite system (GNSS) troposphere tomography, only the GNSS observations derived from ground-based stations located inside the tomographic area were considered; howe...
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Article
A modified three-dimensional ionospheric tomography algorithm with side rays
The three-dimensional ionospheric tomography (3DCIT) algorithm based on Global Navigation Satellite System (GNSS) observations have been developed into an effective tool for ionospheric monitoring in recent ye...
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Article
A new GPS/BDS tropospheric delay resolution approach for monitoring deformation in super high-rise buildings
A new approach for deformation monitoring of super high-rise building using GPS/BDS technology is proposed for the case when prior coordinates are known and the baseline is short but has a large height differe...
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Article
Open AccessReal-time precise point positioning-based zenith tropospheric delay for precipitation forecasting
GPS-based Zenith Tropospheric Delay (ZTD) estimation should be easily obtained in a cost-effective way, however, the most previous studies focus on post-processed ZTD estimates using satellite orbit and clock ...
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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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Article
Open AccessEstablishing a method of short-term rainfall forecasting based on GNSS-derived PWV and its application
Global Navigation Satellite System (GNSS) can effectively retrieve precipitable water vapor (PWV) with high precision and high-temporal resolution. GNSS-derived PWV can be used to reflect water vapor variation...
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Article
A novel, optimized approach of voxel division for water vapor tomography
Water vapor information with highly spatial and temporal resolution can be acquired using Global Navigation Satellite System (GNSS) water vapor tomography technique. Usually, the targeted tomographic area is d...
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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...