Analytical and Numerical Study of the Projective Synchronization of the Chaotic Complex Nonlinear Systems with Uncertain Parameters and Its Applications in Secure Communication

Figure 5

Simulation results of secure communication using projective synchronization of two identical chaotic complex Chen systems when the message signal is 𝑟(𝑡)=cos2𝜋𝑡. (a) The original message 𝑟(𝑡). (b) The transmitted signal Δ(𝑡). (c) The recovered message 𝑟(̆𝑡). (d) The error signal 𝑟(𝑡)−𝑟(̆𝑡).

(a)

(b)

(c)

(d)