Zobrazeno 1 - 10
of 137
pro vyhledávání: '"Xiaogong Hu"'
Publikováno v:
Satellite Navigation, Vol 5, Iss 1, Pp 1-16 (2024)
Abstract High-precision Global Navigation Satellite System (GNSS) orbit and clock products are crucial for precise applications. An evenly distributed global network enables continuous tracking for GNSS satellites, while a regional network may result
Externí odkaz:
https://doaj.org/article/b9262a8f644841bfb601718a2601bb6e
Publikováno v:
Satellite Navigation, Vol 5, Iss 1, Pp 1-20 (2024)
Abstract With the rapid development of technologies such as autonomous driving and robotic navigation, the demand for accurate and reliable positioning results with BDS has increased. The current status and future development of BDS high precision se
Externí odkaz:
https://doaj.org/article/32e6cf4273d348d5a7774f3dd15cd653
Autor:
Min Liao, Chengpan Tang, Liqian Zhao, Shanshi Zhou, Xiaogong Hu, Yilun Chen, Kai Li, Yubo Gui
Publikováno v:
Remote Sensing, Vol 16, Iss 16, p 3022 (2024)
Pseudorange bias refers to the receiver-dependent and satellite-dependent constant bias in the pseudorange resulting from the nonideal characteristics of a signal. The impact of pseudorange bias on high-precision satellite navigation services has lon
Externí odkaz:
https://doaj.org/article/661c0f2934294ef1947fa12afc7ef965
Publikováno v:
Sensors, Vol 24, Iss 2, p 480 (2024)
The high-accuracy and high-stability space-based time system is necessary for satellite navigation systems to achieve high quality of service (QoS) on navigation and positioning in smart city applications. This paper proposes a precise and high-stabi
Externí odkaz:
https://doaj.org/article/5998f0cb5aac475dae1e701505d93c3b
Publikováno v:
Remote Sensing, Vol 14, Iss 18, p 4569 (2022)
Precise point positioning can provide accurate coordinates to users without reference stations, and the high-precision real-time clock offset product is necessary for real-time precise point positioning application. As an integral part of the third g
Externí odkaz:
https://doaj.org/article/58640bc4578844d890a35a08233bfe7c
Autor:
Jianhua Yang, Chengpan Tang, Sanshi Zhou, Yezhi Song, Jinhuo Liu, Yu Xiang, Yuchen Liu, Qiuning Tian, Yufei Yang, Zuo Yang, Xiaogong Hu
Publikováno v:
Remote Sensing, Vol 14, Iss 18, p 4674 (2022)
Satellite clock offsets are the critical parameters for The Global Navigation Satellite Systems (GNSSs) to provide position and timing (PNT) service. Unlike other GNSSs, BDS-3 uses the two-way superimposition strategy to measure satellite clock offse
Externí odkaz:
https://doaj.org/article/8218eca7a4eb4c31b8acf4e7049b35fb
Autor:
Yueling Cao, Jinping Chen, Li Liu, Xiaogong Hu, Yuchen Liu, Jie Xin, Liqian Zhao, Qiuning Tian, Shanshi Zhou, Bin Wu
Publikováno v:
Remote Sensing, Vol 14, Iss 17, p 4314 (2022)
The BeiDou global navigation satellite system (BDS-3) provides positioning, navigation and timing services for global users, moreover, it provides BDS satellite-based augmentation system (BDSBAS) single-frequency (SF) and dual-frequency multi-constel
Externí odkaz:
https://doaj.org/article/0fb71384d67b4048870d57c570a399d3
Publikováno v:
Geodesy and Geodynamics, Vol 10, Iss 2, Pp 100-109 (2019)
Using more than 14 years of GRACE (Gravity Recovery and Climate Experiment) satellite gravimetry observations, we estimate the ice loss rate for the Patagonia Ice Field (PIF) of South America. After correcting the effects of glacier isostatic adjustm
Externí odkaz:
https://doaj.org/article/998c44a8d4554908a5632f1760a32b1c
Publikováno v:
Remote Sensing, Vol 14, Iss 14, p 3309 (2022)
The autonomous orbit determination of the navigation constellation uses only bidirectional ranging data of the inter-satellite link for data processing. The lack of space-time benchmark information related to the Earth inevitably causes overall rotat
Externí odkaz:
https://doaj.org/article/5adb44fdb5ec4e75ba3c5ac883f55bde
Publikováno v:
Remote Sensing, Vol 14, Iss 11, p 2514 (2022)
In recent years, the multi-GNSS positioning application is becoming more and more popular, same to the low Earth orbit (LEO) satellite precise orbit determination (POD) based on the onboard multi-GNSS measurements. The third-generation Beidou navigat
Externí odkaz:
https://doaj.org/article/1fee2b3e328f41fab265c11ebee49dfd