Zobrazeno 1 - 10
of 30
pro vyhledávání: '"Lei Wenying"'
Publikováno v:
GPS Solutions. 24
A crucial issue of low earth orbit (LEO) navigation augmentation satellite constellation is to obtain a satellite clock of high medium–long stability (i.e., averaging time of 10–10,000 s) using a disciplined oscillator to reduce satellite size, w
A Unified Dual-frequency Constant Envelope Multiplexing Design Framework for Modernised GNSS Signals
Publikováno v:
Journal of Navigation. 71:1511-1530
In the field of modernised Global Navigation Satellite System (GNSS) signal design, several Dual-frequency Constant Envelope Multiplexing (DCEM) methods have been recently proposed. However, the existing DCEM methods, such as Alternative Binary Offse
Publikováno v:
Wireless Personal Communications. 103:1895-1925
The dual-frequency constant envelope modulated (DCEM) signals, represented by alternative binary offset carrier signal, have obvious advantages in code tracking accuracy and anti-multipath performance compared with traditional binary phase shift keyi
Publikováno v:
Advances in Space Research. 60:2672-2679
This article is dedicated to the developments of the new-generation of BDS satellites and the mitigation of the satellite-induced code multipath error. Basic signal parameters of three new-generation BDS IOV satellites were introduced. A monitoring r
Akademický článek
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Akademický článek
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Publikováno v:
Lecture Notes in Electrical Engineering ISBN: 9789811377587
The modernized global navigation satellite system (GNSS) provides the open service (OS) signal and authorized service (AS) signal for users. Each service signal includes a data component and a pilot component. All the signal components need to be com
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::14210dee2a12cc82c0e1546714928334
https://doi.org/10.1007/978-981-13-7759-4_30
https://doi.org/10.1007/978-981-13-7759-4_30
Publikováno v:
WCSP
An adaptive least mean fractional Lp-norm method for complex-valued channel estimation is put forward in this paper. This method utilizes the fractional Lp-norm of the instantaneous channel estimation error as the cost function to avoid the problem i
Publikováno v:
2018 European Navigation Conference (ENC).
In the background of booming development of low earth orbit (LEO) communication systems, a global navigation augmentation system based on LEO communication constellation is proposed in this paper. The LEO satellites can serve both as space-based moni
Publikováno v:
2018 European Navigation Conference (ENC).
Time and frequency transfer is of great value in satellite navigation, communication and others fields. The existing link of time and frequency transfer based on laser pulse is mainly used for time transfer, it is unable to achieve the optical freque