切片采样算法在光释光年龄模型参数估计中的应用

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4 实测De数据的MAM₃模型参数估计

Tab.4 Estimates of MAM₃ obtained using measured De distributions

样品名称	MCMC算法参数估计	MLE算法参数估计
142/SC08-03	p=0.14±0.07 (0.01, 0.29)	p=0.14±0.08 (-0.02, 0.30)
	γ=1.06±0.05 (0.95, 1.15)	γ=1.07±0.05 (0.97, 1.18)
	σ=1.18±0.12 (0.97, 1.44)	σ=1.15±0.11 (0.92, 1.37)
	L=-59.34	L=-59.26
AL3	p=0.22±0.14 (0.01, 0.51)	p=0.20±0.21 (-0.21, 0.60)
	γ=40.56±1.90 (36.78, 44.10)	γ=40.49±2.58 (35.44, 45.54)
	σ=0.41±0.05 (0.32, 0.52)	σ=0.39±0.05 (0.30, 0.48)
	L=-9.53	L=-9.45