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Particle motion analysis of seismic surface waves using the Stockwell Transform.
Seismic surface waves can be detected and extracted from three-component data through particle motion polarization analysis. Particle Man is a software package that employs the Stockwell Transform to perform surface wave filtering/extraction and display for multifrequency analysis.
Features:
The time-frequency tile can be directly interpreted like a spectrogram, unlike a wavelet transform “scalogram”.
Multi-scale time-frequency phase analysis can be performed directly on the S-transforms.
No a priori frequency resolution constraints are imposed on the transform, unlike a spectrogram, which requires a boxcar window length.