Research on Position-Domain GNSS Multipath Error Modelling Method Based on Sidereal Filtering

Han, Shangwei; Wu, Bowen; Wang, Guangxing; Yin, Zhihao

doi:10.1007/978-981-15-3711-0_31

Cited by 1 publication

(1 citation statement)

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“…A multipath signal is a signal that does not reach the receiving antenna through a direct path, but enters the receiving antenna after being reflected by a reflective surface [ 28 , 29 , 30 , 31 ]. According to the different levels of smoothness at different positions on the reflecting surface, the multipath signal can be divided into specular multipath and scattered multipath [ 29 , 32 ].…”

Section: Introductionmentioning

confidence: 99%

Flying Target Detection Technology Based on GNSS Multipath Signals

Zhu,

Dong

et al. 2024

Sensors

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In this study, a passive radar system that detects flying targets is developed in order to solve the problems associated with traditional flying target detection systems (i.e., their large size, high power consumption, complex systems, and poor battlefield survivability). On the basis of target detection, the system uses the multipath signal (which is usually eliminated as an error term in navigation and positioning), enhances it by supporting information, and utilizes the multi-source characteristics of ordinary omnidirectional global navigation satellite system (GNSS) signals. The results of a validation experiment showed that the system is able to locate a passenger airplane and obtain its flight trajectory using only one GNSS receiving antenna. The system is characterized by its light weight (less than 5 kg), low power consumption, simple system, good portability, low cost, and 24/7 and all-weather work. It can be installed in large quantities and has good prospects for development.

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Section: Introductionmentioning

confidence: 99%