49 Result(s)
within
Chapter
Tianhe **ao
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Chapter and Conference Paper
Long-Term Voltage Withstand Characteristics of the Interface of SF6-epoxy Resin Impregnated Paper Under AC/DC Superimposed Voltage and DC Voltage
In recent years, there have been several flashover failures along the surface of the SF6-epoxy gas-solid interface of the epoxy resin impregnated paper (ERIP) bushing, resulting in huge economic losses. Therefore...
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Chapter and Conference Paper
Flashover Characteristics of the Interface of SF6-Epoxy Resin Impregnated Paper with Particles Contamination
Valve-side epoxy resin impregnated paper bushings are an important part of the UHV DC transmission system. During the creation, gathering and activity of power equipment, for example, converter valve-side bush...
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Chapter and Conference Paper
Extraction of Soil Moisture Based GNSS-R Considering Vegetation Factors
One of the keys to retrieve soil moisture (SM) using the Spaceborne Global Navigation Satellite System-Reflectometry (GNSS-R) technique is to correct for the influence of vegetation. In this paper, the surface...
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Chapter and Conference Paper
Soil Moisture Inversion Based on Dual-Frequency Signal of QZSS GEO Satellite
In recent years, soil moisture retrieval using GNSS reflection signals has become a topic of great concern to scholars. However, most researchers adopt GPS and BDS signals to carry out the related research. Th...
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Chapter and Conference Paper
GNSS-5G-SINS Resilient Integrated Navigation Algorithm for Indoor and Outdoor Seamless Environment
At present, the accuracy and reliability of Global Navigation Satellite Systems (GNSS) in complex environments have not been able to meet the demands of seamless location services both indoors and outdoors. Th...
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Chapter and Conference Paper
UWB/INS Integrated Positioning Method Considering Time Latency and NLOS Errors
Ultra-wideband (UWB) positioning technology has currently become a research hotspot for local small-scale positioning and navigation due to its advantages of high accuracy and wide bandwidth. The UWB positioni...
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Chapter and Conference Paper
Decomposing Relational Triple Extraction with Large Language Models for Better Generalization on Unseen Data
Despite the significant achievements of existing methods for relational triple extraction (RTE), most of them only have weak generalization for the data unseen or partially seen in the training set. Recently, ...
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Chapter and Conference Paper
Blockchain-Based Ciphertext Policy-Hiding Access Control Scheme
Ciphertext policy attribute encryption(CP-ABE) can realize one-to-many fine-grained access control, which can effectively solve the security problem of shared data. However, most existing CP-ABE protocols exhi...
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Chapter and Conference Paper
A Method to Correct the Raw Doppler Observations for GNSS Velocity Determination
In the application of GNSS in the velocity determination, it is often the case that some GNSS receivers give an opposite sign for the raw Doppler observations which do not correspond to the real Doppler shift....
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Chapter and Conference Paper
Analysis on the PPP Performance of Android Smart-Phone: A Case Study of Huawei P40 Pro
With the development of mass market, the demand for high-precision and high-stability navigation and positioning functions of Android smart phones is increasing. However, compared with the traditional receiver...
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Chapter and Conference Paper
An Improved Robust Interacting Multiple Model Algorithm for Underwater Acoustic Navigation
In
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Chapter and Conference Paper
Research on the Method of Precisely Removing Open Water in the Retrieval of Soil Moisture by Spaceborne GNSS-R
When using spaceborne GNSS-R data to retrieve soil moisture, whether open water such as rivers and lakes are accurately removed will have a significant impact on the results of soil moisture retrieval. In orde...
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Chapter and Conference Paper
Analysis of COSMIC-2 Atmospheric Boundary Layer Detection Ability
Using Global Navigation Satellite System (GNSS) radio occultation technology to detect atmospheric boundary layer height (ABLH) accurately has always been a difficult point in the field of satellite navigation...
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Chapter and Conference Paper
Tropospheric Delay Modeling Based on Multi-source Data Fusion and Machine Learning Algorithms
Machine learning algorithms have been widely applied in various fields, including the research of the tropospheric delay of Global Navigation Satellite System (GNSS) signal. In this paper, back-propagation neu...
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Chapter and Conference Paper
Coastal GNSS-R Code Delay Altimetry Using GPS L5 Signals
In recent years, with the gradual completion of different GNSS constellations, the available L-band navigation signals have become more abundant. Not only can they be used for PNT (Positioning, Navigation, and...
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Chapter and Conference Paper
Research on Sea Surface Height Measurement Based on GNSS-IR Dual Frequency Data Fusion
It is an important application of GNSS in marine remote sensing to measure sea level by using Global Navigation Satellite System Interferometry Reflectometry (GNSS-IR), which provides a new direction for globa...
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Chapter and Conference Paper
Sound Velocity Profile Prediction Method Based on RBF Neural Network
As a marine environmental parameter, sound velocity has an important impact on sound propagation in the ocean. In the same sea area, the sound velocity profile (SVP) changes dynamically due to the influence o...
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Chapter and Conference Paper
Multi-GNSS Kinematic Relative Positioning of Multiple Base Stations and Its Application in Deformation Monitoring
The traditional single base station GNSS deformation monitoring system is greatly influenced by the base station stability and data quality. In order to improve the accuracy and reliability of monitoring syste...
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Chapter and Conference Paper
Accuracy Assessment and Improvement of GNSS Precise Point Positioning Under Ionospheric Scintillation
We focus on the accuracy analysis and improvement of multi-GNSS precise point positioning (PPP) during ionospheric scintillation. By using the observation data from Hong Kong Satellite Positioning Reference St...
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Chapter and Conference Paper
Research on Acoustic Velocity Correction Algorithm in Underwater Acoustic Positioning
With the development of national marine strategic plan, the demand of underwater high-precision positioning is increasing greatly. Acoustic wave, as an information carrier, plays an important role in underwate...
