FilterPicker: a robust, broadband phase detector and picker

Versión 1.0.0 (94.4 KB) por Yavor Kamer
This is a Matlab implementation of the FilterPicker (Lomax et al., 2011)
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Actualizado 25 Oct 2018

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Quoting from http://alomax.free.fr/FilterPicker/

FilterPicker (Lomax et al., 2011) is a general purpose, broad-band, phase detector and picker which is applicable to real-time seismic monitoring and earthquake early-warning. FP uses an efficient algorithm which operates stably on continuous, real-time, broadband signals, avoids excessive picking during large events, and produces onset timing, realistic timing uncertainty, onset polarity and amplitude information. In practice, it operates on a pre-defined number of frequency bands by generating a set of band-passed time-series with different center frequencies. Characteristic functions are determined for each frequency band and a pick is declared if and when, within a window of predefined time width, the integral of the maximum of the characteristic functions exceeds a pre-defined threshold.

Lomax, A., C. Satriano and M. Vassallo (2012), Automatic picker developments and optimization: FilterPicker - a robust, broadband picker for real-time seismic monitoring and earthquake early-warning, Seism. Res. Lett. , 83, 531-540, doi: 10.1785/gssrl.83.3.531.

Vassallo, M., C. Satriano and A. Lomax, (2012), Automatic picker developments and optimization: A strategy for improving the performances of automatic phase pickers, Seism. Res. Lett. , 83, 541-554, doi: 10.1785/gssrl.83.3.541.

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Yavor Kamer (2024). FilterPicker: a robust, broadband phase detector and picker (https://www.mathworks.com/matlabcentral/fileexchange/69211-filterpicker-a-robust-broadband-phase-detector-and-picker), MATLAB Central File Exchange. Recuperado .

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1.0.0