Seismic Toolkit is a tool for processing and displaying seismic signal data in a graphical interface. It reads seismic signals in SAC format, and provides a variety of signal processing, such as filtering, spectral analysis, polarisation analysis, time-frequency representation, Hilbert transform, and singular value decomposition. Some utilities are included for useful seismological applications, like computation of Seismic Moment Mo, Mantle magnitude Mm and Moment magnitude Mw, MTPA spectral analysis, plotting focal mechanisms, computation (and plotting) of instrumental response from poles and zeros, and some usefull GMT (Generic Mapping Tool) scripts for plotting signals, responses, and time-frequency in Postscript files for high quality prints.
License: GNU General Public License (GPL)
Changes:
A new menu was added to give the possibility to
normalize PSD spectra (Power Spectral Density),
and to export them in ASCII files. A new function
was added in the Fourier menu, to remove anelastic
attenuation due to propagation. The program no
longer crashes when loading binary SAC files on
64-bit machines. Autodetection of endianness of
binary SAC files should make STK_BITE_ORDER
obsolete. Code cleanup and some optimizations were
done.
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