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

<table class="table-group" width="800px"><tr class="fig-image" id="a"><td><img alt="764341.fig.002a" src="https://static.hindawi.com/articles/aaa/volume-2013/764341/figures/764341.fig.002a.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(a) </b>The block diagram for the proposed chaos-based DS/SS communication system</td></tr></table></td></tr><tr class="fig-image" id="b"><td><img alt="764341.fig.002b" src="https://static.hindawi.com/articles/aaa/volume-2013/764341/figures/764341.fig.002b.jpg"/></td></tr><tr class="fig-caption"><td align="center"><table><tr><td><b>(b) </b>The block diagram for the VPP-PNS generator</td></tr></table></td></tr></table>

<table>Structure of the proposed chaos-based DS/SS communication systems. </table>

Abstract and Applied Analysis

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Figure 2

Figure 2: A Chaos-Based Secure Direct-Sequence/Spread-Spectrum Communication System 