The application discloses a
system for realizing InSAR deformation
time series analysis and fault
creep event detection, and relates to the technical field of geophysical monitoring.The
system comprises a comprehensive monitoring platform, and the comprehensive monitoring platform is in communication connection with the following modules: a
time series noise filtering module, which is used for extracting a
creep deformation
signal related to a fault sliding mechanism from original InSAR deformation data of a target detection area by adopting a space-time
adaptive filtering algorithm in combination with
wavelet transform and
independent component analysis, filtering out the interference of seasonal
hydrology,
thermal expansion and non-tectonic
noise, and obtaining a filtered
time series component sequence.The application can effectively separate and inhibit seasonal
hydrology, thermal elastic deformation and other non-tectonic
noise by adopting the combination of
wavelet transform and
independent component analysis, retain time series components highly related to fault
creep activities, and significantly improve the extraction precision of tectonic signals in InSAR deformation data.