期刊
INTERNATIONAL JOURNAL OF BIFURCATION AND CHAOS
卷 19, 期 2, 页码 737-743出版社
WORLD SCIENTIFIC PUBL CO PTE LTD
DOI: 10.1142/S021812740902310X
关键词
Noise; coupled map lattices; pattern formation
We study the effects of parametric noise on a lattice network, which is locally modeled by a two-dimensional Rulkov map. We conclude that at some intermediate noise intensity, parametric noise can induce ordered circular patterns, which indicates the appearance of spatiotemporal coherence resonance in the studied lattice. With the observation of coherence-like manner in linear spatial cross-correlation, the coherence phenomena can be analyzed quantitatively.
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