Analysis code for GNSS velocity and strain products in the southeastern North China Block

This software package contains Python scripts for VelMap inversion, uncertainty propagation, smoothing and grid-resolution sensitivity tests, two-dimensional wavelet decomposition, earthquake declustering, strain-seismicity statistics, fault-profile analysis, and figure preparation. The package contains no station coordinates, station identifiers, station-level velocity files, raw GNSS observations, or coordinate time series. Scripts requiring station-level input must be used only with authorized files obtained separately under the relevant provider data-use agreements. The companion data record contains a processed station-velocity file with coordinates rounded to two decimal places, regular-grid products, and statistical results. No exact station coordinates or observation time series are included in this software package.