Zobrazeno 1 - 10
of 16
pro vyhledávání: '"Shaoguang Xu"'
Publikováno v:
Sensors, Vol 23, Iss 20, p 8568 (2023)
The fast and accurate solution of integer ambiguity is the key to achieve GNSS high-precision positioning. Based on the lattice theory of high-dimensional ambiguity solving, the reduction time consumption is much larger than the search time consumpti
Externí odkaz:
https://doaj.org/article/26264a4d31c24b56bb59f37e4333f9ae
A Multipath Error Reduction Method for BDS Using Tikhonov Regularization with Parameter Optimization
Publikováno v:
Remote Sensing, Vol 15, Iss 13, p 3400 (2023)
Multipath error is an important factor restricting the relative positioning accuracy of the Beidou Navigation Satellite System (BDS). Because of the complexity of the reflection environment, the mathematical modeling of multipath errors is quite diff
Externí odkaz:
https://doaj.org/article/1280e65499d24dcaa18eab10f6206fcd
Publikováno v:
Remote Sensing, Vol 15, Iss 10, p 2669 (2023)
The Swarm mission aims to study the principle and change regularities of the Earth’s magnetic field. Precise orbit determination is essential to the successful implementation of the mission and relevant scientific research. This article focuses on
Externí odkaz:
https://doaj.org/article/c415a097357f45b6a05827c2153d1d9e
Publikováno v:
Remote Sensing, Vol 14, Iss 20, p 5222 (2022)
In global navigation satellite systems (GNSSs)-based positioning, user receiver clock jump is a common phenomenon on the low-cost receiver clocks and can break the continuity of observation time tag, carrier phase and pseudo range. The discontinuity
Externí odkaz:
https://doaj.org/article/29261a20c9824d76a8b2f5886c9fe0de
Publikováno v:
Remote Sensing, Vol 13, Iss 10, p 1980 (2021)
Fengyun-3C (FY-3C) is a Global Navigation Satellite Systems (GNSS) Radio Occultation (RO) mission founded which was by China on 23 September 2013. In this study, under a specific temporal and spatial domain, we systematically compare FY-3C refractivi
Externí odkaz:
https://doaj.org/article/64684f1d0bba4ceb838635596dfc1547
Publikováno v:
Sensors, Vol 20, Iss 17, p 4882 (2020)
Since the observation precision of the Global Navigation Satellite System (GNSS) carrier phase is on the order of millimeters, if the phase ambiguity is correctly solved, while calibrating the receiver inter-frequency bias, time synchronization on th
Externí odkaz:
https://doaj.org/article/c7b9dd96e02042d294d2083d3dc67398
A Multipath Error Reduction Method for BDS Using Tikhonov Regularization with Parameter Optimization
Publikováno v:
Remote Sensing; Volume 15; Issue 13; Pages: 3400
Multipath error is an important factor restricting the relative positioning accuracy of the Beidou Navigation Satellite System (BDS). Because of the complexity of the reflection environment, the mathematical modeling of multipath errors is quite diff
Publikováno v:
Advances in Space Research. 67:1805-1815
This article proposes a new method for uncalibrated phase delay (UPD) estimation to improve the accuracy of precise point positioning (PPP), which uses only observation station data. This means that the station used to generate the UPDs is the same s
Publikováno v:
Advances in Space Research. 67:1365-1378
The differential code and phase biases induced by the receiver hardware (including receiver, antenna, firmware, etc.) of the Global Navigation Satellite System (GNSS) have significant effects on precise timing and ionosphere sensing, thus deserve car
Autor:
Dingfa Huang, Letao Zhou, Linguo Yuan, Yumiao Tian, Wei Feng, Xiaoying Gong, Xueyang Chen, Shaoguang Xu
Publikováno v:
Advances in Space Research. 65:1196-1209
The overlapping-frequency signals from different GNSS constellations are interoperable and can be integrated as one constellation in multi-GNSS positioning when inter-system bias (ISB) is properly disposed. The look-up table method for ISB calibratio