| 摘要 |
PURPOSE: A radiation measuring method is provided to suppress a measurement value change becoming irregular according to the passage of time and to remarkably improve a measurement error when measuring a dose rate or radiation in a low level radiation field. CONSTITUTION: A radiation measuring method is as follows. Radiation measurement values measured by a measuring device at each period are stored (S100). An average measurement rate of the measurement values is obtained (S200). A real average measurement rate is obtained by subtracting an offset measurement rate from the average measurement rate (S300). The real average measurement rate is converted into a dose rate or radiation (S400). If the measurement value is zero or a preset value and less at a predetermined period, the measurement value is replaced into one or a specific constant. [Reference numerals] (AA) Substitute with 1 or a specific constant; (BB) Zero or a preset value and less; (CC) Substitute with 1 or a specific constant; (S100) Record measurement values (X (i)) measured by a measuring device in a cycle and substitute the measurement value with one or a specific constant if the measurement value of a predetermined cycle is zero or a preset value and less.; (S200) Calculate an average measurement rate of the measurement values; (S300) Calculate a real average measurement rate by subtracting an offset measurement rate from the average measurement rate; (S400) Convert the real average measurement rate into a dose rate or radiation
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