Handheld alpha and beta radiation dose acquisition system based on low-power-consumption ARM (Advanced RISC Machines)

The invention relates to the technical field of nuclear radiation detection, and provides a handheld alpha and beta radiation dose acquisition system based on a low-power-consumption ARM (Advanced RISC Machines), which comprises an isolation pulse acquisition circuit, a low-power-consumption ARM chi...

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Hauptverfasser: SHI SONGJIE, DENG WENKANG, BI MINGDE, LUO FAN, QUINTIN
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creator SHI SONGJIE
DENG WENKANG
BI MINGDE
LUO FAN
QUINTIN
description The invention relates to the technical field of nuclear radiation detection, and provides a handheld alpha and beta radiation dose acquisition system based on a low-power-consumption ARM (Advanced RISC Machines), which comprises an isolation pulse acquisition circuit, a low-power-consumption ARM chip and a power supply assembly, and is characterized in that the output end of the isolation pulse acquisition circuit is connected with the counting input end of the ARM chip; the isolation pulse acquisition circuit is composed of a pulse measurement unit, a pulse comparison unit and an isolation output unit, the pulse measurement unit is composed of a voltage follower, the pulse comparison unit judges whether an input pulse reaches a specified voltage threshold value or not, if yes, pulse counting is carried out, otherwise, the pulse is regarded as invalid input and is eliminated, and the isolation output unit is connected with the isolation output unit. The isolation output unit inputs the pulse into the ARM chip
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subjects MEASUREMENT OF NUCLEAR OR X-RADIATION
MEASURING
PHYSICS
TESTING
title Handheld alpha and beta radiation dose acquisition system based on low-power-consumption ARM (Advanced RISC Machines)
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