Fuping Sun
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View article: Cycle slip detection and repair method towards multi-frequency BDS-3/INS tightly coupled integration in kinematic surveying
Cycle slip detection and repair method towards multi-frequency BDS-3/INS tightly coupled integration in kinematic surveying Open
Carrier phase integer ambiguities must be determined for BDS-3/inertial navigation system (INS) tightly coupled (TC) integration to achieve centimetre-level positioning accuracy. However, cycle slip breaks the consistency of the integer am…
View article: Evaluation methods of BDS-3 ground-segment defensive capability oriented to satellite navigation countermeasures
Evaluation methods of BDS-3 ground-segment defensive capability oriented to satellite navigation countermeasures Open
Owing to intentional interference and destructions during satellite navigation countermeasures, the security application of global navigation satellite systems (GNSS) faces immense challenges. To ensure the safe application of the GNSS in …
View article: Assessment of overlapping triple-frequency BDS-3/BDS-2/INS tightly coupled integration model in kinematic surveying
Assessment of overlapping triple-frequency BDS-3/BDS-2/INS tightly coupled integration model in kinematic surveying Open
The China BeiDou Navigation Satellite System (BDS-3) is recognized for its advantages compared to BDS-2. However, the enhancement of performance through the simultaneous utilization of BDS-2 and BDS-3 in real-time kinematic (RTK) applicati…
View article: Defensive Performance Evaluation Methods of the GNSS for Satellite Navigation Countermeasures
Defensive Performance Evaluation Methods of the GNSS for Satellite Navigation Countermeasures Open
This study presents a comprehensive performance evaluation system of the global navigation satellite system (GNSS) oriented to satellite navigation countermeasures, including evaluation models, detection methods, and an overall evaluation …
View article: Research on Critical Active Protection Performance Evaluation Methods for the Global Navigation Satellite System in Satellite Navigation Countermeasures
Research on Critical Active Protection Performance Evaluation Methods for the Global Navigation Satellite System in Satellite Navigation Countermeasures Open
This paper proposes an all-sided performance evaluation system including the test system with its evaluation models and detection methods for satellite navigation countermeasures to meet the manufacturers’ needs for improving critical perf…
View article: Positioning performance analysis of real-time BDS-3 PPP-B2b/INS tightly coupled integration in urban environments
Positioning performance analysis of real-time BDS-3 PPP-B2b/INS tightly coupled integration in urban environments Open
Since 2020, the BeiDou-3 global navigation satellite system has provided real-time precision single-point positioning enhancement services (PPP-B2b). The real-time correction provideded by this service can make real-time precision single-p…
View article: Optimal decision for the satellite navigation system under navigation countermeasures based on spoofing effect evaluation results
Optimal decision for the satellite navigation system under navigation countermeasures based on spoofing effect evaluation results Open
This paper realizes the evaluation and optimal decision of the spoofing effect on the global navigation satellite system (GNSS) under navigation countermeasures based on the game perspective, to overcome the limitations of current relevant…
View article: Full-domain collaborative deployment method of multiple interference sources and evaluation of its deployment effect
Full-domain collaborative deployment method of multiple interference sources and evaluation of its deployment effect Open
This paper realizes the full-domain collaborative deployment of multiple interference sources of the global satellite navigation system (GNSS) and evaluates the deployment effect to enhance the ability to disturb the attacker and the capab…
View article: Mitigation of GNSS Time Synchronization Attacks in a Multicorrelator Receiver
Mitigation of GNSS Time Synchronization Attacks in a Multicorrelator Receiver Open
Global navigation satellite systems (GNSSs) are widely used in various fields to provide high-precision timing. However, their low signal power and open signal structure render GNSS receivers vulnerable to time synchronization attacks (TSA…
View article: A Unified Global Reference Frame of Vertical Crustal Movements by Satellite Laser Ranging
A Unified Global Reference Frame of Vertical Crustal Movements by Satellite Laser Ranging Open
Crustal movement is one of the main factors influencing the change of the Earth system, especially in its vertical direction, which affects people’s daily life through the frequent occurrence of earthquakes, geological disasters, and so on…
View article: Kalman filter applied in underwater integrated navigation system
Kalman filter applied in underwater integrated navigation system Open
For the underwater integrated navigation system, information fusion is an important technology. This paper introduces the Kalman filter as the most useful information fusion technology, and then gives a summary of the Kalman filter applied…
View article: Study on Reference Datum of Global Crustal Vertical Motion
Study on Reference Datum of Global Crustal Vertical Motion Open
Three methods to establish the vertical datum of the crustal motion are put forward and investigated. The systematic errors are calculated between some vertical velocity fields and the reference datum of vertical motion of the crust, and t…
View article: Study on Reference Datum of Global Crustal Vertical Motion
Study on Reference Datum of Global Crustal Vertical Motion Open
Three methods to establish the vertical datum of the crustal motion are put forward and investigated. The systematic errors are calculated between some vertical velocity fields and the reference datum of vertical motion of the crust, and t…