VIBRATION DETECTING SYSTEM, SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD

VIBRATION DETECTING SYSTEM, SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD

A vibration detection system includes a seismic source device that generates a vibration wave repeated with a predetermined period, a vibration receiving device that receives a response wave due to the vibration wave transmitted via the ground, and a signal processing apparatus that processes measur...

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Hauptverfasser: TAKANASHI Mamoru, HASADA Yoko, KASAHARA Junzo, KATO Ayato
Format: Patent
Sprache:eng
Schlagworte:
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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creator TAKANASHI Mamoru
HASADA Yoko
KASAHARA Junzo
KATO Ayato
description A vibration detection system includes a seismic source device that generates a vibration wave repeated with a predetermined period, a vibration receiving device that receives a response wave due to the vibration wave transmitted via the ground, and a signal processing apparatus that processes measured vibration signals received by the vibration receiving device. The signal processing apparatus includes a separating part that separates individual periodic signals having a period according to a periodicity of the vibration wave generated by the seismic source from the measured vibration signals, the calculating part that calculates the standard periodic signal from the separated individual periodic signals, and the generating part that subtracts the standard periodic signal from the measured vibration signals and generates differential signals.
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subjects DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
title VIBRATION DETECTING SYSTEM, SIGNAL PROCESSING APPARATUS AND SIGNAL PROCESSING METHOD
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