Research Article

A Chaos-Based Secure Direct-Sequence/Spread-Spectrum Communication System

Figure 1

Time domain signals of the spread-spectrum process in the conventional and proposed DS/SS systems.
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(a) The conventional DS/SS system [11]
764341.fig.001b
(b) The conventional chaos-based DS/SS system [6]
764341.fig.001c
(c) The proposed chaos-based DS/SS system