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The paper is focused on studies of chaotic phenomena in a fractional order non-linear circuit representing an electrochemical reactor. The various forms of reactor characteristics are investigated and the resulting circuit states are analyzed. Strange attractors are revealed, documented and presented.
The two neuron CNN system with piecewise linear activation function and time dependent external inputs is analyzed and the parametric solutions for the trajectories are given. We look then at the particular case in which the CNN has an antisymmetric template and sine external input. For particular parameter values, this example has been found in the literature to have chaotic behavior. We use the...
Mixed-mode oscillations in a slow-fast dynamical system under weak perturbation are studied numerically. First, we make a band-limited extremely weak Gaussian noise, and apply this noise to this oscillator. Then, we observe random phenomenon from numerical study even if the noise is extremely weak. The mixed-mode oscillations are submerged by chaos due to extremely weak noise. We imagine that mixed-mode...
In this paper, experimental verification of CNN-based nonautonomous MLC system designed as chaos generator is presented by using programmable and reconfigurable IC technique. The hardware implementation uses FPAA (Field Programmable Analog Array)-based reconfigurable design methodology. FPAA is a programmable IC and a rich variety of systems including analog functions can be realized via dynamic reconfiguration...
An ideal memristor with single-valued odd-symmetric charge-flux nonlinearity is extensively proposed for chaos-based applications. However, according to our boundary condition-based memristor model, the nonlinearity of a memristor nano-structure is in general multi-valued with strong dependence on input and initial conditions. Nevertheless, provided the model is augmented with suitable boundary conditions,...
In CDMA communications with radio waves, binary spreading sequences are used as bipolar codes taking +1 or −1. On the other hand, in on-off keying modulation such as optical communications, spreading sequences are used as unipolar codes taking 1 or 0. In this paper, performances of asynchronous SIK (sequence inversion keyed) DS/CDMA systems using unipolar codes are evaluated and compared with normal...
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