CONTACT

Yongliang Xiong

Dept. of Surveying and Mapping

Faculty of Geosciences and Environmental Engineering

SWJTU,Chengdu,610031

E-mail：ylxiong@sina.com

Tel.：028-87600673(office)

BRIEF BIOGRAPHY

Yongliang Xiong，Ph.D，Prof., received his Ph.D degree in geodesy from the Southwest Jiaotong University, PRC, in 2000.The research areas in which he has been involved include GNSS positioning theory,water vapor sounding based on GNSS, the applications of GPS to engineering surveying, deformation monitoring and data processing, adjustment computation, optimal design of control network. His current research is focused on water vapor inversion by GNSS, which is sponsored by NSF (national science Foundation of China). He has published numerous papers in these areas and have received several awards for his contributions.

RESEARCH INTERESTS

(1) GNSS positioning theory and applications

(2) GNSS meteorology

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EDUCATIONS:  

1996-2000: Post-graduate student (Doctor's degree), Dept. Of  Surveying Engineering, Southwest Jiaotong University (SWJTU). Title of Thesis: Theory and algorithms for GPS baseline solution and their applications to deformation monitoring.

1985-1988: Graduate student (Master's degree), Dept. Of Surveying Engineering, Wuhan Technical University of Surveying and Mapping (WTUSM). Title of Thesis: The second order design of deformation monitoring network.

1981-1985: Undergraduate student (Bachelor's degree), Dept. Of Surveying Engineering , WTUSM. Title of Thesis: Adjustment of three dimension control network. ___________________________________________________________________________________________________

WORK EXPERIENCES:  

2004.7-present: professor,Dept. Of Surveying Engineering,Faculty of Geosciences and Environmental Engineering,SWJTU

2001.9- 2002.9: Visiting Scholar, Dept. of Civil and Environmental Eng. and Geodetic Science, The Ohio State University (OSU)

2003.9- 2004.9: Research associate, Dept. of Land Surveying and Geo-Informatics(LSGI),The Hongkong Polytechnic University

1997-2001: Associate Professor, Dept. Of Surveying Engineering, SWJTU

1988-1992:Asistant, Dept. Of Surveying Engineering ,SWJTU

1992-1997:Lecturer, Dept. Of Surveying Engineering ,SWJTU

Courses Undertaken: GPS positioning technology and methods(for graduate student), Engineering Surveying (for graduate student), Deformation Monitoring (for graduate student), Specialized English for Surveying and Mapping  ___________________________________________________________________________________________________

TECHNICAL EXPERTISE:  

GNSS: Global Navigation Satellite System Network RTK,GNSS water vapor inversion, Coordinate systems transformation, Error sources analysis for GPS (ionospheric, tropspheric delay, multi-path, ambiguity resolution, baseline vector adjustment, application of GPS to railway control, bridge, tunnel control, deformation monitoring etc.) Engineering Surveying:  methods, instruments, techniques for Engineering surveying. Railway course control survey, Bridge surveying, tunnel surveying etc.

Deformation Analyses:  techniques and instruments for deformation monitoring,deformation monitoring data processing , applying time series analysis to deformation analysis.

Computer Software: program designing and developing. written a lot of programs for the scientific data processing, analysis and plot by FORTRAN, BASIC, C++Builder.  Typical software: GPS data processing software package for windows, GPS single epoch data processing software.   ___________________________________________________________________________________________________

SUPERVISION AND TEACHING EXPERIENCES:  

Taught graduate-level courses (Ph.D,M.S.): GPS theory and methods, methods for deformation monitoring of building and structure. Professional English on Surveying  undergraduate-level courses (B.S.): GPS (for undergraduate student), Engineering surveying(for undergraduate student). ____________________________________________________________________________________________________

RESEARCH EXPERIENCES:  

1. Combine mobile GNSS and reference station network data to obtain real time water vapor distribution and prediction,2012-2016;

2.Track based GNSS water vapor inversion, sponsored by China Science Foundation, 2008-2011;

3.Wide area VRS enhancement theory, sponsored by China Science Foundation, 2005-2008;

4.Wavelet analyses theory and its application to GPS data processing, sponsored by China Science Foundation, 1998-2001;

Projects sponsored by China Railway Department:

1.Application of GPS to Railway tunnel control survey, 1992-1993;

2.Application of GPS to Railway course control survey, 1992-1993;

3.Geoid determination using GPS in mountain areas, 1993-1994;

4.Application GPS leveling to Railway control survey, 1998-1999;

Engineering projects sponsored by companies:

1.Earth slip monitoring in Chongqing iron and steel corperation, 1989-1991;

2.Highway construction control survey from Guangzhou to HuiZhou using GPS, 1997-1998;

3 Highway control survey from Mianyang -Guang using GPS, 1996-1997;

4 Tunnel control survey in Mihualing and Vertical-deflection determination combining GPS with leveling, 1997;

5.Xinghua bookshop building deformation monitoring, 1997;

6.Zhilou hospital building deformation monitoring, 1997;

7.Establishing deformation monitoring network using GPS for Sichuan TV Tower, 1998-2001;

8.Tailong building deformation monitoring, 1998;

9.stake out of road from Zhizhong county to Weiyuan county, 1998;

10.Construction control survey in Zhineng Community using GPS, 1998;

11.Wanghe building deformation monitoring, 1999;

12.Bridge deformation monitoring in Daxian, 2000; __________________________________________________________________________________________________

PROFESSIONAL ACTIVITIES:  

1.Committee member,Geodesy commission, Surveying and Mapping Society of China,2010-present.

2.Member, Sichuan association of Surveying and Mapping, 1990-present;

3.Member, User association of GPS, 1994-present; __________________________________________________________________________________________________

HONORS AND PRIZES:  

1.The best paper award for young author given by Surveying and Mapping Society of China,1992

2.Honorable Award of 1991-1992 national young author's best paper awarded by Surveying and Mapping Society of China, 1992.

3.The first grade award for the best paper awarded by Architectural society of China, 1993.

4.The best teacher award given by Hongyu Education Foundation of SWJTU, 1994.

5.The second grade award of science and technology progress awarded by Railway Department of China, 1996. __________________________________________________________________________________________________

MAIN PUBLICATIONS:  

[1]  Xion,Y.L. Ding,X.L.,Huang,D.F,Dai, W.J, Chen, W.S.,Wacelet based single epoch algothum and its application to structural vibration monitoring, ACTA GEODAETICA et CARTOGRAPHICA SINICA, 2005,No.3, pp202-207。

[2]  Xiong,Y.L.,Ding,X.L.,Modelling GPS sinal diffraction error using environmental condition in deformation monitoring, ACTA GEODAETICA et CARTOGRAPHICA SINICA, 2005,No.4. pp283-287

[3]  Xiong,Y.L., Huang,D.F.,Ding,X.L.,Yin,H.T.,research on modeling tropospheric delay using multiple reference stations, Geotechnical Investigation and Surveying of China, No.5,2005, pp55-57

[4]  Xiong,Y.L., Shum,C.K.(2002) Fast baseline resolution algorithm for GPS kinematic  positioning based on probability computation, Proceedings of SPIE, Volume 4714, 3-4 April 2002 Orlando, USA, ,pp.105-110.

[5]  YL Xiong, XL Ding, WJ Dai, W Chen and DF Huang(2004), Mitigation of Multipath Effects Based on GPS Phase Frequency Feature Analysis for Deformation Monitoring Applications, ION GNSS, 2004

[6]  Xiong,Y.L., Huang,D.F.（2003）， GPS phase measure cycle-slip detecting and GPS base-line resolution based on wavelet transformation, Survey Review, 2003.

[7]  Xiong,Y.L., Huang,D.F.（2000）,Wavelet transform based Kalman filtering algorithm for anti-SA effect, Geographic Information Sciences, U.S.A. 2000, No.2, pp.165-169,

[8]  Xiong,Y.L., Huang,D.F.（2001）， Research on GPS single epoch processing algorithm with constraints of deformation mode, IAG workshop on Monitoring of constructions and local geodynamic process, Wuhan, China, May 22-24 2001,pp.269-277.

[9]  Yongliang Xiong, Dingfa Huang, Shaoguang Xu, Hua Liao,Yaoqiang Wu,Yipei Lv,Kinematic Crustal Deformation Features of Wenchuan Earthquake Obtained by GPS, Proceedings of SPIE, 2009 (Proc. SPIE Vol. 7471, 74711A (Oct. 9, 2009) .

[10] Yongliang Xiong, Dingfa Huang, Xiaoli Ding, Haitao Yin, Xianzhou Zhang. Precise Modeling of Regional Troposphere Based on Multiple GPS Reference Stations. Proceedings of EOGC, Chengdu, 2009.

[11] The second order design of deformation monitoring network, Journal of Wuhan Technical University of Surveying and Mapping (WTUSM), China, No.2, 1990,pp.82-86.

[12] 2nd-order design of deformation monitoring network with sensitivity constraints, Geotechnical Investigation and Surveying of China, No.1, 1991, pp.44-47.

[13] The separibility between deformation and gross errors in deformation analysis, Geotechnical Investigation and Surveying of China, No.4, 1991, pp.44-47.

[14] The optimization and design of deformation monitoring network, Surveying and Mapping of Sichuan, China, No.2.1990, pp.53-58.

[15] Research on applying GPS to the level control in railway surveying, Journal of Southwest Jiaotong University (SWJTU), China, No.3, 1995, pp.263-269.

[16] Application of GPS to tunnel horizontal control surveying, Journal of China Railway Society, No.2, 1995, pp.60-66.

[17] The solution of normal height in GPS network in mountain areas, Journal of South West Jiaotong University (SWJTU), No.4, 1997, pp.154-159.

[18] The Effect of plum-line defection on the tunneling error, Geotechnical Investigation and Surveying of China, No.3, 1998,pp.56-59.

[19] CAI and compound peoples training of talent with high and new technology of surveying and mapping，University Curricula, Teaching Method, Quality Assurance, 98 FIG, Commission 2 Seminar, Wuhan, P.R.China，Wuhan Technical University of Surveying and Mapping, 1998, pp.143-150.

[20] Wavelet transform-based algorithm for SA error model and error prediction, Journal of the PLA institute of Surveying and Mapping, China, Vol.16, No3. 1999,pp.157-160.

[21] The current status of GLONASS and its development, Surveying and Mapping of Sichuan, China, Vol.22 No.3, Aug.1999, pp.106-109.

[22] Several problem in the plane control survey of highway, surveying and Mapping of Sichuan, China, Vol.22 No.3, Aug. 1999, pp.128-131.

[23] A Research for integrated layout of central line based on a road design model, surveying and Mapping of Sichuan, China, Vol.22 No.3, Aug. 1999,pp.132-135.

[24] A data processing algorithm for GPS base line based on wavelet transform, Journal of Institute of Surveying and Mapping, China, Vol.7, No.4, 2000, pp.260-264.

[25] Wavelet transform based Kalman filtering algorithm for anti-SA effect, Geographic Information Sciences, U.S.A. 2000, accepted.

[26] A reliable single epoch processing algorithm with known deformation interval constraints, Journal of Wuhan Technical University of Surveying and Mapping (WTUSM), China, 2000, accepted.

[27] Research on the theory and algorithms for GPS baseline solutions and their applications to deformation monitoring, dissertation of Ph.D., SWJTU.2000.