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HEIGHT TIME SERIES ANALYSIS OF CONTINUOUS GPS IN TIANSHAN REGION

Liu Kaiyu;Wang Qi;Key Laboratory of Earthquake Geodesy,Institute of Seismology,CEA;Institute of Planetary,College of Geophysics and Geomatics,China University of Geosciences;  
This paper uses continuous GPS observation data provided by UNAVCO to get height time series of each site,and extractes velocity field by least-square linear fit and eliminates the linear trend of the original series.Then we take spectral analysis and wavelet multi-resolution analysis of time series.It can be seen that in the past ten years the Tianshan region shows overall uplift trend and has a good agreement between the various stations.Each station shows significant seasonal changes.
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