SEISMOGRAPH CALIBRATION TECHIQUE

SEISMOGRAPH CALIBRATION TECHIQUE

FIELD: measuring techniques. ^ SUBSTANCE: proposed seismograph calibration method is based on artificially stimulating oscillations of the pendulum of the seismograph to be calibrated and taking readings from a register. These readings are used to determine calibration characteristics of the seismog...

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Hauptverfasser: LAPITSKIJ EVGENIJ ALEKSEEVICH, SHUSHLEBIN ALEKSEJ SERGEEVICH, SKURIDIN ANDREJ VLADIMIROVICH
Format: Patent
Sprache:eng ; rus
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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creator LAPITSKIJ EVGENIJ ALEKSEEVICH
SHUSHLEBIN ALEKSEJ SERGEEVICH
SKURIDIN ANDREJ VLADIMIROVICH
description FIELD: measuring techniques. ^ SUBSTANCE: proposed seismograph calibration method is based on artificially stimulating oscillations of the pendulum of the seismograph to be calibrated and taking readings from a register. These readings are used to determine calibration characteristics of the seismograph, namely amplitude-frequency response of the seismograph. The exciting force is applied to the frame of the seismograph through vibrating electrostrictive material mounted between bearing adjustment screws and a pedestal, on the opposite sides of which are mounted capacitor plates. Frequency of oscillation of the electrostrictive material is given through stimulating a given value of the electrostatic field of the given capacitor. Amplitude frequency response of the seismograph is determined using given oscillation frequency values of the electrostrictive material and the known value of its linear deformation. ^ EFFECT: increased accuracy in determining the form of seismograph calibration characteristics. ^ 2 dwg
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subjects DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title SEISMOGRAPH CALIBRATION TECHIQUE
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