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Article
Reconstruction of global ionospheric TEC maps from IRI-2020 model based on deep learning method
The Total Electron Content (TEC) computed from ionospheric models is a widely used parameter for characterizing the morphological structure of the ionosphere. The global TEC maps from empirical models, like th...
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Article
Estimation of phase center corrections for BDS satellites aligned to the IGS20 frame
Precise information about the phase center corrections (PCCs) for BeiDou satellite antennas is not only essential to the generation of high-precision orbit and clock products but also important to the determin...
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Article
A multi-institutional study to predict the benefits of DEB-TACE and molecular targeted agent sequential therapy in unresectable hepatocellular carcinoma using a radiological-clinical nomogram
Exploring the efficacy of a Radiological-Clinical (Rad-Clinical) model in predicting prognosis of unresectable hepatocellular carcinoma (HCC) patients after drug eluting beads transcatheter arterial chemoembol...
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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
A refined zenith tropospheric delay model for Mainland China based on the global pressure and temperature 3 (GPT3) model and random forest
Zenith Tropospheric Delay (ZTD) plays a vital role in Global Navigation Satellite System (GNSS) navigation, positioning, and meteorology. The generally accepted empirical models that are now in use can only re...
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Article
Virtual reference station technology for voxels without signal ray in ionospheric tomography based on machine learning
A new three-dimensional computerized ionospheric tomography model (VRS-ML-CIT) was developed in this study combining virtual reference station (VRS) and machine learning (ML) technology. Compared to the tradit...
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Article
Refining empirical tropospheric model with meteorological stations for large height difference RTK positioning
In real-time kinematic (RTK) positioning in areas with larger height differences (over 100 m), omitting tropospheric delay is insufficient and can seriously affect positioning accuracy. This issue is known as ...
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Article
A short-term prediction model of global ionospheric VTEC based on the combination of long short-term memory and convolutional long short-term memory
The ionospheric vertical total electron content (VTEC) is an essential parameter for studying the ionosphere's dynamic variations, and its short-term forecast is essential for some research and applications. I...
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Article
Exploring characteristics of BDS-3 PPP-B2b augmentation messages by a three-step analysis procedure
This study discovers three critical characteristics of PPP-B2b augmentation messages, potentially improving positioning continuity and accuracy for time-critical applications. Three new message characteristics...
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Article
Tibetan zenith wet delay model with refined vertical correction
Tibet presents significant elevation changes, thus leading to extraordinary tropospheric conditions. This eventually forms complicated and diverse delays in satellite data (such as global navigation satellite ...
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Article
Open AccessCharacterization of bone marrow heterogeneity in NK-AML (M4/M5) based on single-cell RNA sequencing
Normal karyotype acute myeloid leukemia (NK-AML) is a heterogeneous hematological malignancy that contains a minor population of self-renewing leukemia stem cells (LSCs), which complicate efforts to achieve lo...
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Article
A storm-time ionospheric TEC model with multichannel features by the spatiotemporal ConvLSTM network
The total electron content (TEC) is an important parameter for characterizing the morphology of the ionosphere. Modeling the ionospheric TEC accurately during the storm time could contribute to the operation o...
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Article
Random walk multipath method for Galileo real-time phase multipath mitigation
Since the orbit repeat cycle of Galileo satellites is about 10 days, existing spatial–temporal repeatability-based station multipath mitigation methods such as the modified sidereal filtering (MSF) and the mul...
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Article
A novel ionospheric map** function modeling at regional scale using empirical orthogonal functions and GNSS data
The ionospheric map** function (MF) converts the line-of-sight slant total electron content (STEC) into the vertical total electron content (VTEC) and vice versa, and it is an important function in the creat...
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Article
Quantitatively Analyzing the Impacts of Seasonal Water Storage Changes in the Three Gorges Reservoir on Nearby Crust
Water storage changes in the Three Gorges Reservoir (TGR) cause large mass variations on the Earth's surface, which inevitably influences crustal stability. The quantitative relationship between the water stor...
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Article
Editing arcs to improve the capacity of GNSS-IR for soil moisture retrieval in undulating terrains
Global Navigation Satellite System-interferometric reflectometry (GNSS-IR) has become an important means to monitor soil moisture content (SMC). It works based on the assumption that the detrended signal-to-no...
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Article
Conventional and neural network-based water vapor density model for GNSS troposphere tomography
Global navigation satellite system (GNSS) water vapor (WV) tomography is a promising technique to reconstruct the three-dimensional (3D) WV field. However, this technique usually suffers from the ill-posed pro...
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Article
Recent trends in precipitation over the Myanmar Coast during onset and withdrawal phases of monsoon season
Monsoon precipitation is the major driver of agricultural productivity in the Myanmar Coast; it is crucial to quantify and understand recent changes in precipitation during the monsoon season over this region....
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Article
Three-dimensional reconstruction of seismo-traveling ionospheric disturbances after March 11, 2011, Japan Tohoku earthquake
The electron density structures of the seismo-traveling ionospheric disturbances (STIDs) during the Tohoku earthquake are reconstructed by applying the three-dimensional computerized ionospheric tomography (3D...
