Of all the filters applied to recordings of seismic waves, which include source, path, and site effects, the one we know most precisely is the instrument filter. Therefore, it behooves seismologists to accurately remove the effect of the instrument from raw seismograms. Applying instrument corrections allows analysis of the seismogram in terms of physical units (e.g., displacement or particle velocity of the Earth’s surface) instead of the output of the instrument (e.g., digital counts). The instrument correction can be considered the most fundamental processing step in seismology since it relates the raw data to an observable quantity of interest to...
Causal Instrument Corrections for Short‐Period and Broadband Seismometers
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Matthew M. Haney, John Power, Michael West, Paul Michaels; Causal Instrument Corrections for Short‐Period and Broadband Seismometers. Seismological Research Letters 2012;; 83 (5): 834–845. doi: https://doi.org/10.1785/0220120031
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