Based on symbol dynamics in 1-d piecewise linear mapping chaotic systems, an arithmetic method processing chaotic signals is studied in the paper, including addition, subtraction and multiplication.

基于1 - D分段线性映射函数构造的混沌系统符号动力学，该文研究了一种能直接对混沌符号序列进行加、减及乘法运算的方法。

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The main features of the system are piecewise linear gray level transformation, slope angle adjustment, mapping and normalization, feature distilling.

本系统主要特征是分段线性灰度变换、斜度调整、射归一、征提取。

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