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Chaotic signal generator with dual output

A chaotic signal and dual output technology, which is applied in the direction of secure communication, transmission system, and digital transmission system through chaotic signals, can solve the problems of reducing the probability of information being deciphered in secure communication, waveform distortion, and secure communication failure.

Pending Publication Date: 2019-03-26
XIHUA UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] How to generate chaotic signals that can be used in chaotic secure communication is a current research hotspot. The main problems of current chaotic signal generators are: the amplitude adjustment range of chaotic signal output is small, the stability is poor, it is easy to be interfered, and the waveform distortion is serious. It will lead to the failure of secure communication; in addition, the classic chaotic system has been widely studied, once the corresponding chaotic encrypted signal is intercepted, based on the prior information of the classical chaotic system, the encrypted information will be deciphered quickly, the adoption of the new chaotic system Will help reduce the probability of information being deciphered in confidential communications

Method used

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  • Chaotic signal generator with dual output
  • Chaotic signal generator with dual output
  • Chaotic signal generator with dual output

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Embodiment Construction

[0038] The specific implementation manner of the circuit of the present invention will be further described below in conjunction with the accompanying drawings. A chaotic signal generator with dual outputs, comprising a power supply circuit, a start switch K0, an oscillation circuit, a memristor circuit, an LC circuit, an A channel switch K1, an A channel voltage amplifying circuit, an output regulating circuit A, an A output port, B-channel switch K2, B-channel voltage amplifying circuit, output regulating circuit B, and B output port;

[0039] The oscillation circuit includes an amplifier U0, a resistor R1, a resistor R2, a resistor R3, a resistor R4, a capacitor C1, and a capacitor C2;

[0040] The amplifier U0 selected for circuit simulation in this embodiment is AD711, resistors R1=R2=0.33k, R3=3k, R4=10k, capacitor C1=C2=4.7n;

[0041]A new memristor circuit comprising capacitor C5, current feedback amplifier U11, current feedback amplifier U12, amplifier U13, amplifier...

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Abstract

The invention discloses a chaotic signal generator with dual output. The generator comprises a power supply circuit, a starting switch K0, an oscillation circuit, a memristor circuit, an LC circuit, an A-channel switch K1, an A-channel voltage amplifying circuit, an output adjusting circuit A, an A output port, a B-channel switch K2, a B-channel voltage amplifying circuit, an output adjusting circuit B, and a B output port. The memristor circuit, the LC circuit and the oscillating circuit work together to generate a chaotic signal with complex dynamic behaviors. When the switch K1 is closed, the chaotic signal passes through a signal amplifying circuit A and the output adjusting circuit A from an A channel, and is output from the A output port; and when the switch K2 is closed, the chaoticsignal passes through a signal amplifying circuit B and the output adjusting circuit B from a B channel, and is output from the B port output. According to the chaotic signal generator with dual output, a chaotic signal generator with dual output based on a new memristor circuit is designed by utilizing an oscillator principle. The chaotic signal generator can adjust the amplitude, has characteristics of being good in stability and strong in anti-interference, and is more suitable for application in secure communication.

Description

technical field [0001] The patent of the present invention relates to the field of electronic circuits, in particular to a dual-output chaotic signal generator. Background technique [0002] How to generate chaotic signals that can be used in chaotic secure communication is a current research hotspot. The main problems of current chaotic signal generators are: the amplitude adjustment range of chaotic signal output is small, the stability is poor, it is easy to be interfered, and the waveform distortion is serious. It will lead to the failure of secure communication; in addition, the classic chaotic system has been widely studied, once the corresponding chaotic encrypted signal is intercepted, based on the prior information of the classical chaotic system, the encrypted information will be deciphered quickly, the adoption of the new chaotic system It will help reduce the probability of information being deciphered in confidential communication. Contents of the invention ...

Claims

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Application Information

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IPC IPC(8): H04L9/00
CPCH04L9/001
Inventor 王波邹富成
Owner XIHUA UNIV
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