Sweep frequency detection circuit and intelligent acquisition instrument thereof

Sweep frequency detection circuit and intelligent acquisition instrument thereof

The utility model provides a frequency sweep detection circuit and an intelligent acquisition instrument thereof, which belong to the technical field of sensor signal acquisition equipment and comprise a vibrating wire sensor, an excitation power supply unit, a frequency sweep response receiving uni...

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Hauptverfasser: AO FAXIANG, ZHU PEISHU, XIAO YI, LIU SHUN, TAO LIANG, XIONG JIAN
Format: Patent
Sprache:chi ; eng
Schlagworte:
MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
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creator AO FAXIANG
ZHU PEISHU
XIAO YI
LIU SHUN
TAO LIANG
XIONG JIAN
description The utility model provides a frequency sweep detection circuit and an intelligent acquisition instrument thereof, which belong to the technical field of sensor signal acquisition equipment and comprise a vibrating wire sensor, an excitation power supply unit, a frequency sweep response receiving unit, a signal conditioning unit and an MCU (Microprogrammed Control Unit), the excitation power supply unit is used for generating excitation voltage and inputting the excitation voltage into the vibrating wire sensor; the output end of the MCU is electrically connected with the excitation power supply unit, and the MCU selectively adjusts the excitation voltage and frequency; the sweep frequency response receiving unit is used for receiving a return signal generated by the vibrating wire sensor; the input end of the frequency sweep response receiving unit is electrically connected with the output end of the vibrating wire sensor, and the output end of the frequency sweep response receiving unit is electrically conne
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subjects MEASURING
MEASURING ELECTRIC VARIABLES
MEASURING MAGNETIC VARIABLES
PHYSICS
TESTING
title Sweep frequency detection circuit and intelligent acquisition instrument thereof
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