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本文用变耦合率方法和平行板转动最大损耗法分别测出小信号增益为1.60×10-3 cm-1和1.75×10-3 cm-1,腔内损耗为12.0%,获得了饱和参量为3.00 kW/cm2,并将所得结果与其它报道作了比较。
Particle distribution estimation is an important issue in medical diagnosis. In particular, photon scattering in some medical devices extremely degrades image quality and causes measurement inaccuracy. The Monte Carlo (MC) algorithm is regarded as the