A consistent regional vertical ionospheric model and application in PPP-RTK under sparse networks

S Lyu, Y Xiang, T Tang, L Pei, W Yu… - NAVIGATION: Journal of …, 2023 - navi.ion.org
Ionospheric augmentation is one of the most important dependences of PPP-RTK. Because
of the dispersive features of the ionosphere, the ionospheric information is usually coupled …

A consistent and grid-based regional slant ionospheric model with an increasing number of satellite corrections for PPP-RTK

S Lyu, Y Xiang, Y Zhang, H Yang, L Pei, W Yu… - GPS Solutions, 2023 - Springer
Ionospheric corrections are critical in fast precise point positioning real-time kinematic (PPP-RTK),
in which the regional slant ionospheric model (RSIM) is commonly used. For the …

Uncertainties of interpolating satellite-specific slant ionospheric delays and impacts on PPP-RTK

S Lyu, Y Xiang, B Soja, N Wang, W Yu… - IEEE Transactions on …, 2023 - ieeexplore.ieee.org
Precise point positioning - real-time kinematic (PPPRTK) achieves fast convergence in
global navigation satellite system (GNSS) positioning and navigation. Correcting slant …

Identifying spurious cycle slips based on iterative filtering under disturbed ionospheric conditions for undifferenced GNSS observations

Y Xiang, S Lyu, W Yu - Advances in Space Research, 2022 - Elsevier
The TurboEdit method is widely used to detect cycle slips on the global navigation satellite
system (GNSS) carrier-phase measurements. However, it leads to an increasing number of …

The Grid-based Regional Slant Ionospheric Model with Sufficient Corrections

S Lyu, Y Xiang, X Chen, W Yu - … of the 35th International Technical Meeting …, 2022 - ion.org
Sijie Lyu, Shanghai Jiao Tong University Yan Xiang, Shanghai Jiao Tong University Xingyu
Sijie Lyu is currently pursuing her Ph.D. degree in Electronics Engineering at Shanghai Jiao …

Robust Regional Ionospheric Augmentation Based on IRIM for PPP-RTK

S Lyu, Y Xiang, W Yu - Proceedings of the 36th International Technical …, 2023 - ion.org
Sijie Lyu is currently pursuing her Ph.D. degree in Electronics Engineering at Shanghai Jiao
… As for parameters of original regional slant ionospheric model, (Lyu et al.) can be referred. …

BDS-3 Triple Frequency Satellite Inter-frequency Clock Bias Estimation and Its Effects on Precise Point Positioning

S Lyu, Y Xiang, W Yu, W Wang - China Satellite Navigation Conference …, 2021 - Springer
Inter-frequency clock bias (IFCB) has to be corrected especially in multi-frequency positioning
with high precision, it is composed of phase inter-frequency bias (phase IFB) and code …

Protection Level of PPP-RTK Based on Regional Slant Ionospheric Integrity Error Bounds

T Tang, Y Xiang, S Lyu, W Yu - … of the 36th International Technical Meeting …, 2023 - ion.org
Integrity algorithm plays an important role in ensuring the accuracy and reliability of global
navigation satellite systems. In this work, we propose an enhanced integrity algorithm that …

Cryopreservation of Jiangxi yam shoot-tip by encapsulation-vitrification and its detection of genetic stability.

MH Yin, ZJ Xu, SQ Zhang, SJ Lyu, YH Zeng… - Acta Agriculturae …, 2016 - cabdirect.org
In this paper, cryopreservation procedure of Guangfeng medicinal yarn shoot-tip by
encapsulation-vitrification would be optimized by the method of plant tissue culture, and the genetic …

Machine learning-based regional slant ionospheric delay model and its application for PPP-RTK

S Lyu, Y Xiang, W Yu, B Soja - 2024 - meetingorganizer.copernicus.org
The precise point positioning-real-time kinematic (PPP-RTK) method achieves fast convergence
in global navigation satellite system (GNSS) positioning and navigation. Correcting …