The positioning performance of satellite navigation equipment is the foundation and core of each performance.Among them,dynamic positioning performance is one of the most important indexes to evaluate
Android,the most popular smart operating system with an approximately 86%market share,has been able to support devices in exporting GNSS raw measurement.Taking an example of Huawei P9 smartphone,the p
Due to the satellite-launcher-station interactive operation,coupling of PDOP,reliability and maintainability and supportability(RMS),an availability modeling and simulation method of a navigation syst
For the detection and repair of cycle-slip for un-differenced GNSS triple-frequency observations,current algorithms have difficulties in efficiency,stability and even some special cycle-slip combinati
Multipath is the main factor affecting the positioning accuracy degradation in the Time & Code Division-Orthogonal Frequency Division Multiplexing(TC-OFDM)system.There is no effective mitigation metho
Passive hydrogen maser(PHM)has the advantages of high frequency stability and low frequency drift.It has been widely used in the navigation system and frequency calibration.Atomic transition signal am
International time transfer experiment based on GPS-and BDS-precise point positioning(PPP)technique is carried out using final(ISC)and rapid(ISR)precise satellite clock products provided by iGMAS(inte