Results 21 to 30 of about 483,812 (196)
Precise orbit determination for BDS satellites
Satellite Navigation, 2022 Since the first pair of BeiDou satellites was deployed in 2000, China has made continuous efforts to establish its own independent BeiDou Navigation Satellite System (BDS) to provide the regional radio determination satellite service as well as regional ...
Qile Zhao +6 more
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Binary phase hopping based spreading code authentication technique
Satellite Navigation, 2021 Civil receivers of Global Navigation Satellite System (GNSS) are vulnerable to spoofing and jamming attacks due to their signal structures. The Spreading Code Authentication (SCA) technique is one of the GNSS message encryption identity authentication ...
Shenran Wang +3 more
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PPP models and performances from single- to quad-frequency BDS observations
Satellite Navigation, 2020 Nowadays, China BeiDou Navigation Satellite System (BDS) has been developed well and provided global services with highly precise positioning, navigation and timing (PNT) as well as unique short-message communication, particularly global system (BDS-3 ...
Shuanggen Jin, Ke Su
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Real-time integrity monitoring for a wide area precise positioning system
Satellite Navigation, 2020 The wide area precise positioning system (WAPPS) is a high-precision positioning system based on a global navigation satellite system. Using a GEO satellite or a communication network, it provides users, in its service area, with real-time satellite ...
Yuechen Wang, Jun Shen
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Satellite Navigation, 2022 Geodetic applications of Low Earth Orbit (LEO) satellites requires accurate satellite orbits. Instead of using onboard Global Navigation Satellite System observations, this contribution treats the LEO satellite constellation independently, using Inter ...
Xingchi He +4 more
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Review of PPP–RTK: achievements, challenges, and opportunities
Satellite Navigation, 2022 The PPP–RTK method, which combines the concepts of Precise of Point Positioning (PPP) and Real-Time Kinematic (RTK), is proposed to provide a centimeter-accuracy positioning service for an unlimited number of users.
Xingxing Li +6 more
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Satellite Navigation, 2023 In order to facilitate high-precision and real-time Precise Point Positioning (PPP), the International GNSS (Global Navigation Satellite System) Service (IGS), BDS-3 (BeiDou-3 Navigation Satellite System), and Galileo navigation satellite system (Galileo)
Haojun Li, Danzeng Luojie, Huimin Ding
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Method of Tower-less Calibration for Phase Parameter of Tracking System
MATEC Web of Conferences, 2015 This paper introduced the principle of angle errors in tracking system. The demodulation was only related to signal envelop, and supported the phase calibration of radio star.
Ge Tiezhi +4 more
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Analysis of Galileo signal-in-space range error and positioning performance during 2015–2018
Satellite Navigation, 2020 A long-term analysis of signal-in-space range error (SISRE) is presented for all healthy Galileo satellites, and the first pair of full operational capability satellites in wrong elliptical orbits.
Weiwang Wu, Fei Guo, Jiazhu Zheng
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Satellite Navigation, 2023 The Real-Time Kinematic (RTK) positioning method of the Global Navigation Satellite System (GNSS) has been widely used for landslide monitoring. The stability of its reference station is crucial to obtain accurate and reliable monitoring results ...
Duo Wang +5 more
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