能谱加权补偿法测量γ剂量率

One Method of Dose Rate Measuring Based on Gamma Spectrum Compensation

介绍了一种基于γ能进补偿的剂最字测量方法。使用NaI(Tl)探测器作为能谱采集装置,在进行能谱分析的同时,采用能谱加权的补偿方法对γ剂量率进行测量。提出了一种补偿函数的求解方法,使用标准能谱和剂率数据通过多项式拟合的方法求解补偿W数系数。通过实验数据对比,验证了该方法的准确性,可以提高测量γ剂量率时的能M响应。

Introduce a dose rate measurement method based on energy spectrum compensation.NaI(Tl)detector was used as the energy spectrum acquisition device,and the energy spectrum analysis was carried out at the same time,energy spectrum weighted compensation method was used to measure the dose rate.Present a method for solving the compensation function.The coefficient of the compensation function is calculated by polynomial fitting using the standard energy spectrum and dose rate data.By comparing the experimental data,the accuracy of the method is verified,and the energy response of the measurement can be improved.