Results 11 to 20 of about 5,900 (211)

Estimating and Analyzing Long-Term Multi-GNSS Inter-System Bias Based on Uncombined PPP [PDF]

open access: yesSensors, 2020
With the development of precise positioning with multi-GNSS, the inter-system bias (ISB) has become an issue that cannot be ignored. ISB is introduced from the differences among satellite reference clocks and different receiver hardware delay biases.
Fan Zhang   +4 more
doaj   +2 more sources

Performance Assessment of Positioning Based on Multi-Frequency Multi-GNSS Observations: Signal Quality, PPP and Baseline Solution

open access: yesIEEE Access, 2021
With the advances and modernization of GPS, GLONASS, BDS, Galileo and QZSS, multi-frequency and multi-system joint positioning has become the mainstream positioning and navigation.
Jinwei Bu   +4 more
doaj   +3 more sources

Principle and performance of multi-frequency and multi-GNSS PPP-RTK

open access: yesSatellite Navigation, 2022
PPP-RTK which takes full advantages of both Real-Time Kinematic (RTK) and Precise Point Positioning (PPP), is able to provide centimeter-level positioning accuracy with rapid integer Ambiguity Resolution (AR).
Xingxing Li   +5 more
doaj   +2 more sources

Multi-constellation GNSS precise point positioning with multi-frequency raw observations and dual-frequency observations of ionospheric-free linear combination

open access: yesSatellite Navigation, 2020
Precise point positioning (PPP) is famous for its capability of high-precision positioning with just one station as long as the receiver can receive global navigation satellite system (GNSS) signals.
Xiangdong An   +2 more
doaj   +2 more sources

Validation and Assessment of Multi-GNSS Real-Time Precise Point Positioning in Simulated Kinematic Mode Using IGS Real-Time Service

open access: yesRemote Sensing, 2018
Precise Point Positioning (PPP) is a popular technology for precise applications based on the Global Navigation Satellite System (GNSS). Multi-GNSS combined PPP has become a hot topic in recent years with the development of multiple GNSSs.
Liang Wang   +5 more
doaj   +3 more sources

A Review on Multi-GNSS for Earth Observation and Emerging Applications

open access: yesRemote Sensing, 2022
Global Navigation Satellite System (GNSS) has drawn the attention of scientists and users all over the world for its wide-ranging Earth observations and applications.
Shuanggen Jin   +2 more
doaj   +2 more sources

Real-Time Tropospheric Delays Retrieved from Multi-GNSS Observations and IGS Real-Time Product Streams

open access: yesRemote Sensing, 2017
The multi-constellation Global Navigation Satellite Systems (GNSS) offers promising potential for the retrieval of real-time (RT) atmospheric parameters to support time-critical meteorological applications, such as nowcasting or regional short-term ...
Cuixian Lu   +7 more
doaj   +3 more sources

Multi-mode Multi-frequency GNSS-IR Combination System for Sea Level Retrieval [PDF]

open access: yesJournal of Geodesy and Geoinformation Science, 2023
With the development of Global Navigation Satellite Systems (GNSS), geodetic GNSS receivers have been utilized to monitor sea levels using GNSS-Interferometry Reflectometry (GNSS-IR) technology.
Wenyue CHE, Xiaolei WANG, Xiufeng HE, Jin LIU
doaj   +1 more source

A Hierarchical Clustering Method to Repair Gaps in Point Clouds of Powerline Corridor for Powerline Extraction

open access: yesRemote Sensing, 2021
Powerline detection is becoming a significant issue for powerline monitoring and maintenance, which further ensures transmission security. As an efficient method, laser scanning has attracted considerable attention in powerline detection for its high ...
Yongzhao Fan   +4 more
doaj   +1 more source

Estimation and Evaluation of Zenith Tropospheric Delay from Single and Multiple GNSS Observations

open access: yesRemote Sensing, 2023
Multi-Global Navigation Satellite Systems (multi-GNSS) (including GPS, BDS, Galileo, and GLONASS) provide a significant opportunity for high-quality zenith tropospheric delay estimation and its applications in meteorology.
Sai Xia, Shuanggen Jin, Xuzhan Jin
doaj   +1 more source

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