In this paper, the usability of multiple-exponential function model in fitting the positron annihilation lifetime spectrum is demonstrated.
在本文中推导了多指数函数模型在正电子湮没寿命谱拟合中的可用性。
2
The measurements of positron annihilation lifetime spectrum for chlorophyll in cyclohexane (77k) and in alcohol (296k) were carried out under illumination at different light intensity.
测量了在不同光强下叶绿素环已烷溶液(77k)和酒精溶液(296k)的正电子湮没寿命谱。
3
For seeking after background spectrum, an iterative technique called gradual annihilation method is used in the module for analysis of differential spectrum.