Results 21 to 30 of about 5,387 (180)

GNSS-ISE: Instruction Set Extension for GNSS Baseband Processing

Sensors, 2020
This work presents the results of research toward designing an instruction set extension dedicated to Global Navigation Satellite System (GNSS) baseband processing.
Krzysztof Marcinek, Witold A. Pleskacz
doaj   +1 more source

A Multi-GNSS Software Receiver

, 2022
Build and operate multi-GNSS and multi-frequency receivers with state-of-the-art techniques using this up-to-date, thorough and easy-to-follow text. Covering both theory and practice and complemented by MATLAB© code and digital samples with which to test it, this package is a powerful learning tool for students, engineers and researchers everywhere ...
Söderholm, Stefan, Bhuiyan, M. Zahidul H., Ferrara, Giorgia, Thombre, Sarang, Kuusniemi, Heidi   +5 more
openaire   +2 more sources

An Optimal Tropospheric Tomography Method Based on the Multi-GNSS Observations

Remote Sensing, 2018
Aside from the well-known applications (positioning, navigation and timing) brought by Global Navigation Satellite System (GNSS), reconstruction of tropospheric atmosphere distribution information using tomography technique based on the multi-GNSS ...
Qingzhi Zhao, Yibin Yao, Xinyun Cao, Feng Zhou, Pengfei Xia   +4 more
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Real-Time Tropospheric Delay Retrieval from Multi-GNSS PPP Ambiguity Resolution: Validation with Final Troposphere Products and a Numerical Weather Model

Remote Sensing, 2018
The multiple global navigation satellite systems (multi-GNSS) bring great opportunity for the real-time retrieval of high-quality zenith tropospheric delay (ZTD), which is a critical quality for atmospheric science and geodetic applications.
Cuixian Lu, Xin Li, Junlong Cheng, Galina Dick, Maorong Ge, Jens Wickert, Harald Schuh   +6 more
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Characterization of multi-scale ionospheric irregularities using ground-based and space-based GNSS observations

Satellite Navigation, 2021
Ionospheric irregularities can adversely affect the performance of Global Navigation Satellite System (GNSS). However, this opens the possibility of using GNSS as an effective ionospheric remote sensing tool.
YuXiang Peng, Wayne A Scales, Michael D Hartinger, Zhonghua Xu, Shane Coyle   +4 more
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Mitigation of Unmodeled Error to Improve the Accuracy of Multi-GNSS PPP for Crustal Deformation Monitoring

Remote Sensing, 2019
High-rate multi-constellation global navigation satellite system (GNSS) precise point positioning (PPP) has been recognized as an efficient and reliable technique for large earthquake monitoring.
Kai Zheng, Xiaohong Zhang, Xingxing Li, Pan Li, Xiao Chang, Jizhang Sang, Maorong Ge, Harald Schuh   +7 more
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Review of Bridge Structural Health Monitoring Based on GNSS: From Displacement Monitoring to Dynamic Characteristic Identification

IEEE Access, 2021
Deformation monitoring and dynamic characteristic analysis of bridge structures are the vital and basic requirements for the safe operation of bridges.
Xinpeng Wang, Qingzhi Zhao, Ruijie Xi, Chenfeng Li, Guanqing Li, Ling'Ai Li   +5 more
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Integrated Precise Orbit Determination of Multi-GNSS and Large LEO Constellations

Remote Sensing, 2019
Global navigation satellite system (GNSS) orbits are traditionally determined by observation data of ground stations, which usually need even global distribution to ensure adequate observation geometry strength.
Xingxing Li, Keke Zhang, Fujian Ma, Wei Zhang, Qian Zhang, Yujie Qin, Hongmin Zhang, Yansong Meng, Lang Bian   +8 more
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Investigation of Tightly Combined Single-Frequency and Single-Epoch Precise Positioning Using Multi-GNSS Data

Remote Sensing, 2020
The loose combination (LC) and the tight combination (TC) are two different models in the combined processing of four global navigation satellite systems (GNSSs).
Chenlong Deng, Qian Liu, Xuan Zou, Weiming Tang, Jianhui Cui, Yawei Wang, Chi Guo   +6 more
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Multi-constellation GNSS precise point positioning with multi-frequency raw observations and dual-frequency observations of ionospheric-free linear combination

Satellite 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, Xiaolin Meng, Weiping Jiang   +2 more
doaj   +1 more source