AMPLIFICATION AND DAMPING OF DETERMINISTIC NOISE IN COUPLED CELLULAR ARRAYS

被引:8
作者
BOLEN, JL
DURAN, O
KLEVECZ, RR
机构
[1] Dynamics Group, Beckman Research Institute of the City, Hope Medical Center, Duarte
来源
PHYSICA D | 1993年 / 67卷 / 1-3期
关键词
D O I
10.1016/0167-2789(93)90209-J
中图分类号
O29 [应用数学];
学科分类号
070104 ;
摘要
Large scale spatiotemporal organization and enhanced periodicity are seen when a population of chaotic Rossler attractors is coupled through one or more of the variables. The resulting periodicity has been analyzed by means of return maps and by the projection of these maps as state variable dispersion histograms. Self-mapping of cells in the array, within dispersion criteria, yielded evidence of reverse bifurcation sequences, F...8,4,2,1, expressed in the behavior of most of the 900 to 25 600 individual cells. Self-mapping is seen in spiral and periodic banded fields, but not in turbulent fields or in synchronous chaos. Coupling of arrays of periodic attractors leads to dispersion in self-mapping similar to that seen in the coupled chaotic arrays. Fixed patterns representing the bifurcation sequences that occur in these arrays were overlaid on the spiral field portraits.
引用
收藏
页码:245 / 256
页数:12
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