- [11]期刊论文，Understanding the long-term variations in GPS differential code biases,GPS Solutions,2020/11/01,项艳
- [12]期刊论文，Reducing convergence time of precise point positioning with ionospheric constraints and receiver dif,Journal of Geodesy,2020/01/01,项艳
- [13]会议论文，PPP Performance with Large TEC Gradient and Mitigation Methods,ENC 2020,2020/11/01,项艳
- [14]期刊论文，Faster Precise Point Positioning with ionospheric constraints and receiver Differential Code Bias mo,Journal of Geodesy,2019/12/01,项艳
- [15]期刊论文，An Enhanced Mapping Function with Ionospheric Varying Height,Remote sensing,2019/06/01,项艳
- [16]期刊论文，Consistency and analysis of ionospheric observables obtained from three precise point positioning (P,Journal of Geodesy,2019/02/01,项艳
- [17]期刊论文，Improving DCB Estimation Using Uncombined PPP,Journal of the Institute of Navigation,2017/12/01,项艳
- [18]期刊论文，Analysis and validation of different global ionospheric maps (GIMs) over China,Advances in Space Research,2015/09/01,项艳