Zobrazeno 1 - 10
of 331
pro vyhledávání: '"BeiDou navigation satellite system (BDS)"'
Publikováno v:
Satellite Navigation, Vol 5, Iss 1, Pp 1-17 (2024)
Abstract The joint utilization of the Fifth Generation Communications Technology (5G) and the Global Navigation Satellite System (GNSS) serves as a promising solution to address the challenges associated with insufficient visible satellites and lower
Externí odkaz:
https://doaj.org/article/082d9f47998b43ec9c721ae7dc4d722f
Publikováno v:
Satellite Navigation, Vol 5, Iss 1, Pp 1-18 (2024)
Abstract Subcarrier modulated signals are widely used in the new generation of Global Navigation Satellite Systems (GNSS) to improve spectral compatibility and ranging accuracy. The unique structure of subcarrier modulated signals poses an ambiguity
Externí odkaz:
https://doaj.org/article/235614ed29b9419a8d54abffdb086041
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 17, Pp 10612-10620 (2024)
Monitoring soil salinity is essential for agricultural development and ecological systems in the coastal saline area. The global navigation satellite system (GNSS) interferometry reflectometry (GNSS-IR) can provide new opportunities to retrieve long-
Externí odkaz:
https://doaj.org/article/d4a486b8feda4ba6a51e68fbd5b0cf69
Autor:
Ke Su, Guoqiang Jiao
Publikováno v:
Satellite Navigation, Vol 4, Iss 1, Pp 1-21 (2023)
Abstract A common practice adopted for the pseudorange bias estimation and calibration assumes that Global Navigation Satellite System satellite-dependent pseudorange biases vary gently over time. Whereupon satellite pseudorange biases are routinely
Externí odkaz:
https://doaj.org/article/4a8484c8e3c44781a78a5357a0004c76
Publikováno v:
IEEE Access, Vol 11, Pp 62652-62661 (2023)
The signal-in-space (SIS) anomaly of BeiDou navigation satellite system (BDS) is an important factor affecting its high accuracy SIS quality assessment. Detecting and eliminating SIS anomaly is not only an important method to build SIS fault model of
Externí odkaz:
https://doaj.org/article/d121332d64524eb2b704eda7b51bde5c
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 16, Pp 4549-4564 (2023)
The fully completed Quasi-Zenith Satellite System (QZSS) and BeiDou Navigation Satellite System (BDS-3) can provide higher precision code observations owing to their advanced signal modulation. However, the performance of Global Navigation Satellite
Externí odkaz:
https://doaj.org/article/df81b69b66b5453692a76377421dc999
Publikováno v:
Remote Sensing, Vol 16, Iss 5, p 788 (2024)
Compared to the traditional ionospheric-free (IF) precise point positioning (PPP) model, the undifferenced and uncombined (UU) PPP has the advantages of lower observation noise and the ability to obtain ionospheric information. Thanks to the IGS (Int
Externí odkaz:
https://doaj.org/article/25550af92b53448ab73760d71089409a
Akademický článek
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Akademický článek
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Autor:
Guangyuan Tan, Guanglin Yang, Jingsong Wang, Weihua Bai, Yueqiang Sun, Xiuqing Hu, Peng Zhang, Qifei Du, Xianyi Wang, Xiangguang Meng, Congliang Liu, Peng Hu
Publikováno v:
IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, Vol 15, Pp 10006-10016 (2022)
The FY3C/GNOS launched in 2013 can only detect the scintillation of GPS navigation signals, while the FY3D satellite launched in 2017 supports the scintillation observation of BeiDou navigation satellite system (BDS) signals, thus enabling simultaneo
Externí odkaz:
https://doaj.org/article/e6ea9865f349490c8c31b612bf03899e