Communicating with chaos using two-dimensional symbolic dynamics

被引：40
|
作者：
Lai, YC [1 ]
Bollt, E
Grebogi, C
机构：
[1] Univ Kansas, Dept Phys & Astron, Lawrence, KS 66045 USA
[2] Univ Kansas, Dept Math, Lawrence, KS 66045 USA
[3] USN Acad, Dept Math, Annapolis, MD 21402 USA
[4] Univ Maryland, Inst Phys Sci & Technol, Dept Math, Inst Plasma Res, College Pk, MD 20742 USA
来源：
PHYSICS LETTERS A | 1999年 / 255卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
D O I：
10.1016/S0375-9601(99)00175-9
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Symbolic representations of controlled chaotic orbits produced by signal generators can be used for communicating. In this Letter, communicating with chaos is investigated by using more realistic dynamical systems described by two-dimensional invertible maps. The major difficulty is how to specify a generating partition so that a good symbolic dynamics can be defined. A solution is proposed whereby hyperbolic chaotic saddles embedded in the attractor are exploited for digital encoding. Issues addressed include the channel capacity and noise immunity when these saddles are utilized for communication. (C) 1999 Published by Elsevier Science B.V. All rights reserved.
引用
收藏
页码：75 / 81
页数：7
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