The Software and Hardware Design of a 16 Channel Online Dose Rate Monitoring System

The software and hardware design of a 16 channel online dose rate monitoring system is presented. After being amplified and A/D converted,the output signal of the sensors was sent to a microprocessor through an FPGA,where the low-frequency filter,calculation,temperature compensation and pedestal deduction were accomplished.Such steps corrected the variation of dark current dependent on temperature fluctuations in a effective way,and finally the instantaneous dose rate results with enough precise were obtained.