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Composite chaotic signal generator

A technology of chaotic signals and generators, which is applied in the direction of safety communication devices, digital transmission systems, electrical components, etc.

Inactive Publication Date: 2012-09-26
GUANGDONG UNIV OF EDUCATION
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0002] How to generate various chaotic circuits required for chaotic secure communication is a new field of nonlinear circuit and system research in recent years, and some related research results have been obtained, such as the patent literature of Chinese patent authorization announcement number CN1199968A A modified Chua's circuit is disclosed, but it does not involve the recombination of multiple double-winged chaotic attractors in the generalized Lorenz system, so there are still limitations in using it in chaotic secure communication

Method used

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Embodiment Construction

[0029] Each device in the figure:

[0030] OP 1 ~ OP 22 : the operational amplifier of the basic chaotic signal generating circuit N1;

[0031] MUL 1 ~ MUL 15 : the multiplier of the basic chaotic signal generating circuit N1;

[0032] OP 23 ~ OP 27 , OP 36 , OP 37 : generate switching control function S 1 (z) operational amplifier for sequencer N2;

[0033] OP 28 ~ OP 31 : generate switching control function S 2 (z) operational amplifier for sequencer N3;

[0034] OP 32 ~ OP 35 : generate switching control function S 3 (z) operational amplifier for sequencer N4;

[0035] E. 1 ,E 2 : generate switching control function S 1 (z) the delay voltage of the sequence generator N2;

[0036] E. 3 : generate switching control function S 2 (z) the delay voltage of the sequence generator N3;

[0037] E. 4 : generate switching control function S 3(z) the delay voltage of sequence generator N4;

[0038] E. z1 : The translation amount of the Lorenz system in the Z...

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Abstract

The invention discloses a composite chaotic signal generator which comprises a basic chaotic signal generation circuit N1, a sequence generator N2, a sequence generator N3 and a sequence generator N4, wherein the sequence generator N2, the sequence generator N3 and the sequence generator N4 are used for generating switching control functions. An output end of the basic chaotic signal generation circuit N1 is respectively connected with an input end of the sequence generator N2, an input end of the sequence generator N3 and an input end of the sequence generator N4. An output end of each of the sequence generator N2, the sequence generator N3 and the sequence generator N4 are connected with an input end of the basic chaotic signal generation circuit N1. The sequence generators for generating switching control functions enable hardware of the composite chaotic signal generator to be realized more easily. The composite chaotic signal generator can generate a composite Lorenz-Chen-Lu chaotic system to enhance chaotic encryption.

Description

technical field [0001] The invention relates to a chaotic circuit required in chaotic secure communication, in particular to a composite Lorenz-Chen-Lü chaotic signal generator based on switching control functions. Background technique [0002] How to generate various chaotic circuits required for chaotic secure communication is a new field of nonlinear circuit and system research in recent years, and some related research results have been obtained, such as the patent literature of Chinese patent authorization announcement number CN1199968A A modified Chua's circuit is disclosed, but it does not involve the recombination of multiple double-winged chaotic attractors in the generalized Lorenz system, so there are still limitations in using it in chaotic secure communication. Contents of the invention [0003] In order to overcome the deficiencies of the prior art, the object of the present invention is to provide a composite chaotic signal generator, which makes the hardwar...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00
Inventor 张朝霞禹思敏周如旗
Owner GUANGDONG UNIV OF EDUCATION
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