切片采样算法在光释光年龄模型参数估计中的应用

彭俊, 董治宝, 韩凤清

Application of slice sampling method for optimizing OSL age models used for equivalent dose determination

Jun PENG, Zhibao DONG, Fengqing HAN

表3 根据已知模型参数生成的De数据的FMM3参数估计

Tab.3 Estimates of FMM3 obtained from De distributions simulated using known parameters

样品名称 实际参数 MCMC算法参数估计 MLE算法参数估计 S1-FMM3 p1=0.1; μ1=10 p1=0.12±0.02 (0.08, 0.17); μ1=10.06±0.11 (9.85, 10.28) p1=0.12±0.02 (0.08, 0.16); μ1=10.04±0.11 (9.83, 10.26) p2=0.5; μ2=15 p2=0.47±0.03 (0.40, 0.53); μ2=15.08±0.07 (14.94, 15.23) p2=0.47±0.03 (0.41, 0.54); μ2=15.08±0.07 (14.94, 15.22) p3=0.4; μ3=20 p3=0.41±0.03 (0.35, 0.47); μ3=20.10±0.11 (19.89, 20.32) p3=0.41±0.03 (0.34, 0.47); μ3=20.10±0.11 (19.89, 20.32) S2-FMM3 p1=0.3; μ1=10 p1=0.27±0.03 (0.22, 0.33); μ1=10.07±0.06 (9.97, 10.18) p1=0.27±0.03 (0.21, 0.33); μ1=10.07±0.06 (9.96, 10.18) p2=0.35; μ2=20 p2=0.41±0.03 (0.35, 0.47); μ2=20.12±0.09 (19.94, 20.30) p2=0.41±0.03 (0.35, 0.48); μ2=20.12±0.09 (19.94, 20.30) p3=0.35; μ3=30 p3=0.32±0.03 (0.26, 0.38); μ3=29.95±0.16 (29.64, 30.26) p3=0.32±0.03 (0.26, 0.38); μ3=29.95±0.16 (29.64, 30.26)