强激光与粒子束
彊激光與粒子束
강격광여입자속
HIGH POWER LASER AND PARTICLEBEAMS
2008年
6期
1017-1021
,共5页
余海军%白龙%翁甲强%罗晓曙%方锦清
餘海軍%白龍%翁甲彊%囉曉曙%方錦清
여해군%백룡%옹갑강%라효서%방금청
强流粒子束%束晕-混沌%周期聚焦磁场%实Morlet小波函数
彊流粒子束%束暈-混沌%週期聚焦磁場%實Morlet小波函數
강류입자속%속훈-혼돈%주기취초자장%실Morlet소파함수
High-current particle beam%Halo-chaos%Periodic-focusing magnetic field%Real Morlet wavelet function
基于束晕-混沌的非线性控制策略,对周期性聚焦磁场中初始分布满足K-V分布的粒子束进行模拟研究,提出了控制其束晕-混沌的实Morlet小波函数控制器,并给出具体的实施方案.数值模拟研究表明,在适当的参数条件下,运用这种方法不仅可以消除束晕及其再生现象,达到对束晕-混沌的有效控制,而且可以控制束流到均匀分布.
基于束暈-混沌的非線性控製策略,對週期性聚焦磁場中初始分佈滿足K-V分佈的粒子束進行模擬研究,提齣瞭控製其束暈-混沌的實Morlet小波函數控製器,併給齣具體的實施方案.數值模擬研究錶明,在適噹的參數條件下,運用這種方法不僅可以消除束暈及其再生現象,達到對束暈-混沌的有效控製,而且可以控製束流到均勻分佈.
기우속훈-혼돈적비선성공제책략,대주기성취초자장중초시분포만족K-V분포적입자속진행모의연구,제출료공제기속훈-혼돈적실Morlet소파함수공제기,병급출구체적실시방안.수치모의연구표명,재괄당적삼수조건하,운용저충방법불부가이소제속훈급기재생현상,체도대속훈-혼돈적유효공제,이차가이공제속류도균균분포.
The Kapchinsky-Vladimirsky (K-V) beam through an axisymmetric periodic-focusing magnetic field is studied using the particle-core model. The beam halo-chaos is found, and a real Morlet wavelet function controller is proposed based on the mechanism of halo formation and the strategy of controlling halo-chaos. The method is applied to the multi-particle simulation to control the halo. The numerical results show that the halo-chaos and its regeneration can be eliminated effectively by using the real Morlet wavelet function control method. At the same time, the radial particle density is uniform at the center of the beam as long as the control method and appropriate parameter are chosen.