Zobrazeno 1 - 10
of 43
pro vyhledávání: '"Wenju Fu"'
Real-Time Estimation of BDS-3 Satellite Clock Offset with Ambiguity Resolution Using B1C/B2a Signals
Publikováno v:
Remote Sensing, Vol 16, Iss 10, p 1666 (2024)
The third generation of the BeiDou navigation satellite system (BDS-3) can transmit five-frequency signals. The real-time satellite clock offset of BDS-3 is typically generated utilizing the B1I/B3I combination with the ambiguity-float solutions. By
Externí odkaz:
https://doaj.org/article/67cc6769ac4f4163869355bddbc4d40f
Publikováno v:
Geo-spatial Information Science, Vol 26, Iss 3, Pp 480-495 (2023)
ABSTRACTThe indoor positioning system is now an important technique as part of the Internet-of-Things (IoT) ecosystem. Among indoor positioning techniques, multiple Wi-Fi Access Points (APs)-based positioning systems have been researched a lot. There
Externí odkaz:
https://doaj.org/article/3cf8eaf2d5a143b786b172babdb0c5fb
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 115-126 (2022)
Precise ionospheric total electron content (TEC) is critical for many aerospace applications, and forecasting ionospheric TEC is of great significance to it. Besides, short-term prediction of TEC values fills the gap between the TEC product latency a
Externí odkaz:
https://doaj.org/article/f7a89b1ea1fb45df8ed6fd2698798f92
Publikováno v:
Geo-spatial Information Science, Vol 0, Iss 0, Pp 1-13 (2022)
As the deployment of large Low Earth Orbiters (LEO) communication constellations, navigation from the LEO satellites becomes an emerging opportunity to enhance the existing satellite navigation systems. The LEO navigation augmentation (LEO-NA) system
Externí odkaz:
https://doaj.org/article/3772c95b94404629a79b55fc54104be8
Publikováno v:
Remote Sensing, Vol 15, Iss 7, p 1776 (2023)
Real-time satellite clock offset is a crucial element for real-time precise point positioning (RT-PPP). However, the elapsed time for undifferenced (UD) multi-global navigation satellite system (GNSS) real-time satellite clock offset estimation at ea
Externí odkaz:
https://doaj.org/article/1bc0b5d4ba3a4885a35b19a845a3ed64
Publikováno v:
Remote Sensing, Vol 15, Iss 7, p 1831 (2023)
Due to space environment interference, imperfect data processing model, and the performance of atomic clocks, real-time satellite clock products often contain outliers or irregular biases. We propose a real-time linear moving short-term prediction al
Externí odkaz:
https://doaj.org/article/45c3e78b05904cc68ec9ddae7c3cbf50
Publikováno v:
Remote Sensing, Vol 13, Iss 19, p 4020 (2021)
Kinematic orbit determination (KOD) of low earth orbit (LEO) satellites only using single-frequency global navigation satellite system (GNSS) data is a suitable solution for space applications demanding meter-level orbit precision. For some small LEO
Externí odkaz:
https://doaj.org/article/5557657e097e43e7a79348cf6bae0594
Publikováno v:
Remote Sensing, Vol 12, Iss 12, p 2063 (2020)
Luojia-1A is a scientific experimental satellite operated by Wuhan University, which is the first low earth orbiter (LEO) navigation signal augmentation experimental satellite. The precise orbit is the prerequisite of augmenting existing Global Navig
Externí odkaz:
https://doaj.org/article/e2a0c992d801405086fa8228799ed10c
Publikováno v:
Remote Sensing, Vol 11, Iss 16, p 1850 (2019)
The predicted navigation satellite clock offsets are crucial to support real-time global navigation satellite system (GNSS) precise positioning applications, especially for those applications difficult to access the real-time data stream, such as the
Externí odkaz:
https://doaj.org/article/eb5bea17d166495b8d98d880af55d1ae
Publikováno v:
Remote Sensing, Vol 11, Iss 3, p 311 (2019)
The emergence of multiple global navigation satellite systems (multi-GNSS), including global positioning system (GPS), global navigation satellite system (GLONASS), Beidou navigation satellite system (BDS), and Galileo, brings not only great opportun
Externí odkaz:
https://doaj.org/article/15672acaff734d9989b9ef71488640d8