Improving the accuracy of gamma radiation measurements in radiation monitoring

Abstract The article suggests the use of unmanned vehicles for monitoring the radiation situation. The paper analyzes data on the radiation situation at nuclear power plants and identifies the main factors of external radiation exposure. It is shown that the existing means of measuring gamma radiation in real conditions have to be used in an extended energy range. To improve the measurement accuracy while simultaneously expanding the energy range of gamma radiation levels, a method is proposed for automatically compensating for additional error due to the energy dependence of the sensitivity over the entire measurement range in real time by introducing pre-calculated correction coefficients. Simulation of the proposed circuit design is performed.