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中文摘要：
研究了在以对数函数控制器进行束晕控制的条件下，填充因子的变化对强流离子加速器中初始分布为K—V分布的离子束半径的影响，通过将其与延迟反馈控制器下所得的结果进行比较，发现在相当大的填充因子取值范围内，使用对数函数控制器时，束半径的变化比使用延迟反馈控制器时小，而且在以离子数比为控制变量的对数函数控制下，束最大半径和均方根半径也没有像使用延迟反馈控制器那样有明显的峰值或波谷出现。
英文摘要：
The effect on the beam radius due to the change of the filling factor for K-V distribution was studied under logarithm-function controller and was compared with the result of the delayed feedback controller. By numerical simulation,it was found that the change of the beam radius under logarithmfunction controller was smaller than the delayed feedback controller＇s in a quite large range of filling factor. In addition,the beam radius did not apparently have peak valueor trough under logarithm-function controller by seleeing ion numbers ratio as controlling variable,which was not like the results that had the peak value of the maximal radius and the trough of the root-mean-square radius under the delayed feedback controller.
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Synchronization of chaotic SRFEL by bi-directional coupling scheme with the coupling strength varied
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