Chaotic neural network encryption communication circuit
A neural network and secure communication technology, which is applied to the secure communication circuit of chaotic neural network and the secure communication circuit of chaotic neural network to achieve the effect of simplifying circuit devices and overcoming poor confidentiality.
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[0042] The present invention will be further described below in conjunction with the embodiments in the drawings:
[0043] The technical scheme adopted by the present invention is: first establish a chaotic neuron system
[0044] dx ( t ) dt = - x ( t ) + af ( x ( t ) ) - abf ( x ( t - 1 ) ) , t > 0 , - - - ( 1 )
[0045] Among them, f(x)=2(tanh(x+1)-tanh(x-1))-1.5(tanh(x+4 / 3)-tanh(x-4 / 3)) is the excitation function of the network, When a=3 and b=8, the system exhibits chaotic characteristics. In order to build the system hardware circuit, the key technology is the circuit module of the excitation function f(x) and the circuit module of the delay x(t-1). dx(t) / dt can get x(t) through an operational amplifier integrating circuit, and the proportional coefficient in the system is realized by an operational amplifier circuit. The excitation function module is composed of a linear com...
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