2018-2023, PhD, Geodesy, University of Chinese Academy of Sciences, Beijing, China
2018-2023, PhD, Geodesy, Shanghai Astronomical Observatory, CAS, Shanghai, China
2014-2018, BSc, Geomatics Engineering, Chang’an University, Xi’an, China
Research Interests
Satellite Navigation & Remote Sensing
GNSS Meteorology & AI for Geodesy
Work Experience
2023.7-Present, Postdoctoral Fellow, The Hong Kong Polytechnic University, Hong Kong, China
2019.9-2021.9, Research Assistant, Shanghai Astronomical Observatory, CAS, Shanghai, China
2018.7-2018.8, Summer Trainee, National Institute of Metrology, China, Beijing, China
2017.7-2017.8, Software testing intern, Trimble R&D Center in China, Trimble Inc., Xi’an, China
Projects
Postdoc Matching Fund Scheme, The Hong Kong Polytechnic University.
Selected Publications
Ding J, Xu C, Chen W, Chen J, Wang J, Zhang Y, et al (2025) Impact of VAEformer Compression Algorithm Precision Loss on the Tropospheric Delays for Microwave Remote Sensing. IEEE Trans. Geosci. Remote Sens., doi: 10.1109/TGRS.2025.3587944
Ding J, Chen W, Chen J, Wang J, Zhang Y, Bai L (2025) Real-Time High-Resolution Global PWV Retrieval Based on Weather Forecast Foundation Models and Cross-Validation With Radiosonde, GNSS, and ERA5. IEEE J. Sel. Top. Appl. Earth Observ. Remote Sens., doi: 10.1109/JSTARS.2025.3580782.
Ding J, Chen W, Chen J, Wang J, Zhang Y, Bai L, et al (2025) Spatiotemporal inhomogeneity of accuracy degradation in AI weather forecast foundation models: A GNSS perspective. Int. J. Appl. Earth Obs. Geoinf., doi: 10.1016/j.jag.2025.104473.
Ding J, Mi X, Chen W, Chen J, Wang J, Zhang Y, et al (2024) Forecasting of Tropospheric Delay using AI Foundation Models in support of Microwave Remote Sensing. IEEE Trans. Geosci. Remote Sens., doi: 10.1109/TGRS.2024.3488727.
Ding J, Chen J, Wang J and Zhang Y (2024) A novel method for tropospheric delay mapping function vertical modelling. J. Geodesy, doi: 10.1007/s00190-024-01845-2.
Ding J, Chen J, Wang J and Zhang Y (2023) Characteristic differences in tropospheric delay between Nevada Geodetic Laboratory products and NWM ray-tracing. GPS Solut., doi:10.1007/s10291-022-01385-2.
Ding J, Chen J, Tang W and Song Z (2022) Spatial–Temporal Variability of Global GNSS-Derived Precipitable Water Vapor (1994–2020) and Climate Implications. Remote Sens., doi:10.3390/rs14143493.
Ding J and Chen J (2020) Assessment of Empirical Troposphere Model GPT3 Based on NGL’s Global Troposphere Products. Sensors, doi:10.3390/s20133631.
Ding J, Chen J and Wang J (2020) Quality Control Method for ZTD Modeling Based on GNSS Observation Data. Journal of Astronautics, (in Chinese) doi:10.3873/j.issn.1000 1328.2020.09.010.
More
Deng Y, Chen W, Ding J, El-Mowaf A, et al. (2025) Improving GNSS precise point positioning with tropospheric constraints from data-driven numerical weather prediction model. Geo-spatial Information Science, doi:10.1080/10095020.2025.2513650.
Chen J, Song Z, Zhang Y, Ding J, et al. (2025) Clock systematic jump estimation and URA refinement of BDS-3 B2b real-time precise point positioning service. GPS Solutions, doi:10.1007/s10291-025-01835-7.
Bai Q, Kong Q, Mi X, Chen W, Ding J, et al. (2025) Evaluation and analysis of the precipitable water vapor in Inner Mongolia of China. Earth Planets Space, doi:10.1186/s40623-025-02157-1.
Tang W, Chen J, Zhang Y, Ding J (2024) Analysis of GNSS/Pseudolite Integrated Positioning Accuracy in Urban Canyon Environment. 2024 14th International Conference on Indoor Positioning and Indoor Navigation (IPIN), doi:10.1109/IPIN62893.2024.10786141.
Ding J (2024) Research on GNSS tropospheric delay modeling and spatial-temporal characteristics analysis of bias. Acta Geodaetica et Cartographica Sinica, (Abstract of PhD thesis, in Chinese) doi:10.11947/j.AGCS.2024.20230177.
Tang W, Chen J, Zhang Y, Ding J and Song Z (2024) Refined Troposphere Delay Models by NWM Ray-tracing for Pseudolite Positioning System and Their Performance Assessment. Advances in Space Research, doi:10.1016/j.asr.2024.02.034.
Song Z, Chen J, Zhang Y, Yu C and Ding J (2023) Real-time Multi-GNSS Precise Point Positioning with Ambiguity Resolution Based on the BDS-3 Global Short-message Communication Function. GPS Solutions, doi:10.1007/s10291-023-01477-7.
Cui J, Chen J, Wang B, Yu C, Ding J and Wang R (2022) Characteristic Analysis of Satellite DCB Products Provided by CAS and DLR. Progress in Astronomy, (in Chinese) doi:10.3969/j.issn.1000-8349.2022.03.01.
Ding J, Chen J and Tang W (2022) Increasing Trend of Precipitable Water Vapor in Antarctica and Greenland. China Satellite Navigation Conference 2022, Lecture Notes in Electrical Engineering, doi:10.1007/978-981-19-2588-7_27.
Chen J, Zhang Y, Yu C and Ding J (2022) Processing Algorithms and Performance Evaluation of BDS RDSS Location Reporting Service. Acta Geodaetica et Cartographica Sinica, (in Chinese) doi:10.11947/j.AGCS.2022.20220024.
Tang W, Chen J, Yu C, Ding J and Wang R (2021) A New Ground-based Pseudolite System Deployment Algorithm Based on MOPSO. Sensors, doi:10.3390/s21165364.
Ding J and Chen J (2021) Accuracy Variability of GNSS PWV in the Range of Small and Medium Scale Areas. China Satellite Navigation Conference, CSNC 2021, doi:10.26914/c.cnkihy.2021.002146
Chen Q, Chen J, Yu C, Zhang Y and Ding J (2020) Comparison of BDS Station Clock Short-term Prediction Models and their Applications in Precise Orbit Determination. Chinese Astronomy and Astrophysics, doi:10.1016/j.chinastron.2020.05.008.
Chen J, Wang J, Wang A, Ding J and Zhang Y (2020) SHAtropE—A Regional Gridded ZTD Model for China and the Surrounding Areas. Remote Sensing, doi:10.3390/rs12010165.
Academic Reports
International Association of Professionals in Global Navigation Satellite Systems (CPGNSS) Forum 2025, Oral, 19–20 Jul., 2020, Nanchang.
Croucher Advanced Study Institute (ASI)——Revolutionizing Weather Forecast and Climate Prediction Through Artificial Intelligence, Poster, 19–21 Sep, 2024, Hong Kong
China Satellite Navigation Conference (CSNC 2022), Oral, 25–27 May, 2022, Beijing.
EGU General Assembly 2022 (EGU 2022), Oral, 23–27 May, 2022, Vienna, Austria.[link][pdf]
4-th Congress of China Geodesy and Geophysics (4-th CCGG), Oral, 17–18 July, 2021, Qingdao. [link]
Scientific Assembly of the International Association Geodesy (IAG 2021), Oral, 28 June – July 2, 2021, Beijing. [link][pdf]
International Association of Professionals in Global Positioning Systems (CPGPS) Forum 2020, Oral, 12–15 Nov., 2020, Shanghai. [link]
Invited Talks
Generation and evaluation of high-precision satellite navigation tropospheric products based on AI foundation models, 20-26 Sep., 2024, Chang’an University, Xi’an, China.
Honors & Awards
Outstanding Graduates of Shanghai (2023)
National Scholarship for Doctoral Students, CNY 30K (2022)
Zhu-Li-Yuehua Outstanding Doctoral Scholarship of CAS, CNY 5K (2022)
First Class Academic Scholarship of UCAS, CNY 15K (2021, 2022)
Merit Student of University of Chinese Academy of Sciences (2020, 2021, 2022, 2023)
Individual Scholarship of Chang’an University, CNY 500 (2017)
The Third Prize of the 10th Challenge Cup Competition of Chang’an University (2017)
The First Prize of the 10th Challenge Cup Competition of Chang’an University (2017)
National Scholarship for Encouragement, CNY 5K (2016)
The Third Prize of the 4th ACM-ICPC in Shaanxi Province (2016)
The HI-TARGET Scholarship, CNY 3K (2015)
Ding Family “Zhong Cheng” Education Scholarship, CNY 2.6K (2014)
The National Third Prize of the 21st National Applied Physics Knowledge Contest (2011)