People
Location: Home ->  People
Name:
 XU Longxia
Education:
  
Positions:
  
Academic
title:
 Associate Researcher
Postal Code:
 710600
Subject
categories:
  
Mailing
Address:
  
E-mail:
 xulongxia@ntsc.ac.cn

Resume:
Xu longxia, female, Doctor of engineering, graduated from the University of Chinese Academy of Sciences in 2013, majoring in testing and measuring technology and instruments. 
She have host the general projects and youth projects of the National Natural Science Foundation of China. And also participated in several major national projects and CAS. She was selected as a member of youth Promotion Association of CAS and won the second prize of Shaanxi Provincial Science and technology progress award.  
Direction:
Maily research in the field of GNSS timing, time transfer technology and time synchronization technology.
Achievements:
 
Article:
Patent:
1.一种卫星导航系统中的溯源模型参数产生方法，ZL201510526781.2,授权日期2018-1-5. 
2. 许龙霞，朱峰，李孝辉，张慧君，陈婧亚，一种转发式定时接收机绝对时延校准方法，ZL2018114388383.
3. 李孝辉 许龙霞 张慧君 薛艳荣 边玉敬，双模导航系统中基于系统时差接收机完好性故障检测方法。ZL201110005149.5，申请日期：2011-1-12，授权日期：2013-2-20.
4. 朱峰，张慧君，李孝辉，黄璐希，许龙霞. ZL2018102567452多模卫星导航接收机的时延绝对校准方法. 申请日期2018/3/27，授权日期：2021/5/4.
 
Paper:
1．Xu Long Xia, X. H. Li and Xue Y R. Study of a new one-way timing method. Science China: Physics, Mechanics and Astronomy. 2012,55(12):2476-2481. 
2．Longxia Xu, Ye Ren, Xiaohui Li, Performance improvements of combined satellite navigation system with system time offset. CSNC 2015 Proceedings: Volume I.
3．Liu Y , Jiao W , Xu L , et al. Differential Timing Method Based on Modified Traceability Model[J]. Journal of Navigation, 2020, 73(6):1326-1339. 
4．Longxia XU  Feng ZHU and Xiaohui LI. Analysis and Suggestions on the Resilience of GNSS Timing[C]. Lecture notes in electrical engineering, v773 LNEE, pp:656-665, 2021, China satellite navigation conference, CSNC 2021, Proceedings.
5．XU Longxia, REN Ye, HE Lei et al. Review of safety analysis of EGNSS time service [J]. Journal of Time and Frequency,2021, 44(2):102-112.
Community service:
 
Commitment to research the situation:
The monitoring method of GNSS Timing performance and methods of standard time reproduction.