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Chen chaotic signal generator

A chaotic signal and generator technology, applied in the field of communication, can solve the problems of influence, large interference, high overall cost, complex circuit, etc., and achieve the effects of convenient use, low cost and simple process

Active Publication Date: 2015-02-25
NORTHEASTERN UNIV LIAONING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] It can be clearly seen from the above figure that the circuit of this implementation method is very complicated and difficult to implement
There are many devices used, and the mutual influence and interference are particularly large, which affects stability and is not reliable enough; moreover, the number of chips used leads to high overall cost

Method used

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  • Chen chaotic signal generator
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Embodiment Construction

[0037] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.

[0038] The chaotic system has many excellent characteristics in the process of information encryption and concealment. Therefore, if the chaotic system can be realized by hardware, and the three variable signals of X, Y, and Z in the mathematical expression of the chaotic system are converted into corresponding voltage values, Chaos can be applied to information encryption. The embodiment of the present invention adopts the Chen chaotic system and implements it with a circuit.

[0039] The mathematical expression of Chen's chaotic model:

[0040] x · = σ ( y - x ) ...

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Abstract

The invention relates to a Chen chaotic signal generator based on a Chen system. The Chen chaotic signal generator internally comprises an X signal generation module, a Y signal generation module and a Z signal generation module, wherein the X signal generation module comprises an inverter, an inverting adder and an inverting integrator, the Y signal generation module comprises an inverter, a multiplier and an inverting integral adder, and the Z signal generation module comprises a multiplier and an inverting integral adder. The Chen chaotic signal generator provided by the invention has the advantages of independent adjustment of parameters, convenience in use, no needs for programming, simple process, no needs for a single-chip microcomputer and low cost.

Description

technical field [0001] The invention belongs to the communication field, in particular to a Chen chaotic signal generator. Background technique [0002] Chaos is a ubiquitous phenomenon in the real world, which is a random phenomenon similar to noise generated by deterministic motion equations. The characteristics of chaos itself make its unique application in engineering have broad prospects. With the continuous development of chaos theory, the application of chaos has become a hot research subject in the nonlinear field. At present, people have made great progress in the research of chaos application, especially the application of chaos circuit. , especially in the design and implementation of practical circuits, there are still many practical issues to be studied and explored. In recent years, chaos science has interpenetrated with other sciences, whether it is in biology, physiology, psychology, mathematics, physics, electronics, information science, or astronomy, mete...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L9/00
Inventor 于海朱志良吕广义张旭刘国奇
Owner NORTHEASTERN UNIV LIAONING