Ruixian Hao 郝睿贤
M.S. Student in Surveying and Mapping Science and Technology
College of Geoscience and Surveying Engineering, China University of Mining and Technology - Beijing
- vitamin_n@outlook.com
- haoruixian.github.io
- github.com/HaoRuixian
- Beijing, China
Master's student working on GNSS meteorology, tropospheric parameter modeling, atmospheric water vapor, and GNSS reflectometry for water-level and sea-surface-height retrieval.
Education 教育背景
M.S. in Surveying and Mapping Science and Technology
- Expected graduation in June 2028; research focuses on GNSS meteorology, atmospheric remote sensing, and GNSS reflectometry.
B.Eng. in Surveying Engineering
- Ranked first in the major for three consecutive years and received recommended admission to the master's program.
Research Experience 科研经历
Research Intern
- Investigated ionospheric-scintillation effects on ADS-B civil-aviation trajectories using dual-frequency GNSS carrier-phase combinations.
- Removed satellite-clock, tropospheric, and relativistic effects to estimate residual-based scintillation indicators.
2025 Comprehensive Academic Annual Meeting on Geodesy and Navigation & Seminar on Geodetic Development
Oral presentation - Sea Surface Height Estimation Based on Multi-Frequency, Multi-GNSS, and Multi-Method GNSS Multipath Reflectometry Qingdao, China
2025 Comprehensive Academic Annual Meeting on Geodesy and Navigation
Flash presentation - Efficient and Accurate Calculation and Comprehensive Analysis of GNSS Tropospheric Scale Heights Qingdao, China
Satellite Navigation Conference
Poster presentation (Outstanding Poster)
Selected Research and Open-Source Projects 代表性科研与开源项目
ERA5-SH Global Scale-Height Dataset
Reproducible global dataset and processing workflow for tropospheric-parameter scale heights derived from ERA5 profiles.
- Estimated ZTD, ZHD, ZWD, Tm, PWV, and WVD scale heights and validated them with 591 radiosonde stations.
- Published as a first-author Scientific Data paper; data released on Zenodo with 2,873 combined downloads as of July 9, 2026.
GMR-Water
Open-source MATLAB software for multi-GNSS, multi-frequency, and multi-observation GNSS-MR water-level retrieval.
- Supports SNR, carrier-phase, and pseudorange strategies, batch processing, quality control, visualization, and accuracy evaluation.
- Published as a second-author GPS Solutions software paper.
Selected Publications 代表性论文
Only first- and second-author publications are listed; for second-author papers, the advisor is the first author. 仅列第一、第二作者论文；第二作者论文中导师为第一作者。
- Hao, R., Yang, F., Li, Z., Zhang, Y., Zhou, L., & Wang, L. (2025). ERA5-SH: A global gridded scale height dataset for tropospheric parameters based on ERA5 reanalysis. Scientific Data, 12(1).
- Hao, R., Yang, F., Chen, W., Li, Z., Wang, L., Yang, R., & Zhang, Y. (2025). 地基北斗多信息海面高反射测量方法及精度分析. 全球定位系统, 50(2), 46-53.
- Hao, R., Xu, T., Li, Z., Yang, F., Hao, Z., Tan, J., Gao, Y., & Shu, Z. (2024). Spatial-temporal variation of water vapor scale height and its impact factors in different climate zones of China. Advances in Space Research, 74(4), 1576-1585.
- Yang, F., & Hao, R. (2026). GMR-water: A water level retrieval software for multi-GNSS, multi-frequence and multi-observation based on GNSS-MR. GPS Solutions, 30(3).
- Yang, F., Hao, R., Wang, H., Wang, L., Li, Z., Zheng, J., Wang, Y., & Chen, R. (2025). An optimal method for GNSS water vapor tomography based on parameter adaptation. GPS Solutions, 30(1).
Honors and Awards 荣誉奖项
All competition awards list Ruixian Hao as the first-listed or sole awardee.
- 2022-2023 National Scholarship (two consecutive academic years), Ministry of Education of China
- 2024 National Encouragement Scholarship, Ministry of Education of China
- 2023 Second Prize, National Surveying and Mapping Discipline Innovation and Entrepreneurship Competition, National level
- 2025 Third Prize, China International College Students' Innovation Competition, Beijing Division, Beijing municipal level
- 2025 Second Prize, Qingchuang Beijing Challenge Cup, Beijing municipal level
- 2025 Second Prize, 13th University GIS Forum Innovation and Entrepreneurship Competition, Intercollegiate level
- 2025 First Prize, Challenge Cup Extracurricular Academic Works Competition, China University of Mining and Technology - Beijing
- 2025 First Prize, College Student Innovation and Entrepreneurship Competition, College of Geoscience and Surveying Engineering
- 2021-2024 Special-Class Scholarship (twice) and First-Class Scholarship, China University of Mining and Technology - Beijing
Research and Technical Skills 研究与技术技能
- Research
- GNSS meteorology, tropospheric delay modeling, water vapor tomography, GNSS-MR/GNSS-IR, atmospheric remote sensing
- Methods
- ERA5 reanalysis, radiosonde validation, Kalman filtering, GNSS data processing, scientific visualization
- Programming
- MATLAB, Python, C, RTKLIB, RINEX processing