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THE QUANTITATIVE RECORDING OF SEISMIC EVENTS WITH EXTREMELY LARGE AMPLITUDE VARIATIONS BY DISCONTINUOUS GAIN CONTROL *
Author(s) -
ROSENBACH O.,
SCHMITT O.,
VEES R.
Publication year - 1963
Publication title -
geophysical prospecting
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.735
H-Index - 79
eISSN - 1365-2478
pISSN - 0016-8025
DOI - 10.1111/j.1365-2478.1963.tb02030.x
Subject(s) - amplitude , automatic gain control , gemology , geology , telmatology , metamorphic petrology , regional geology , seismology , passive seismic , economic geology , digital recording , vertical seismic profile , engineering geology , acoustics , optics , telecommunications , physics , engineering , bandwidth (computing) , tectonics , amplifier , volcanism
A bstract A transistorized combination of multivibrators is described, by which the gain is set according to a time programme. This equipment allows quantitative recording of seismic events with extremely large amplitude variations. Some possible applications of this recording system to seismic research are discussed.