Chopper decoupling device for induced polarization measuring

The utility model discloses a chopper decoupling device which overcomes the effects from electromagnetic induction coupling in induced polarization measurement. The device is an SCM or a multi-grade delay switch which is controlled by a transistor trigger, and is arranged on the front part or the re...

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Bibliographic Details
Main Author JISHAN HE
Format Patent
LanguageEnglish
Published 17.05.2006
Subjects
DETECTING MASSES OR OBJECTS
GEOPHYSICS
GRAVITATIONAL MEASUREMENTS
MEASURING
PHYSICS
TESTING
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Summary:The utility model discloses a chopper decoupling device which overcomes the effects from electromagnetic induction coupling in induced polarization measurement. The device is an SCM or a multi-grade delay switch which is controlled by a transistor trigger, and is arranged on the front part or the rear part of a preamplifier in the existing induced polarization receiver. The device has the advantages of wide frequency, high precision, delay time width and delay time ratio of multi-grade selection. After the device is used, the utility model has the advantages of induced polarization measurement precision enhancement, observation speed acceleration, field work time shorten, labour intensity reduction and low cost, and the aims of raising work efficiency and economic benefit are achieved.
Bibliography:Application Number: CN2005250235U