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Method for implementing automatically switched chaotic system and analogue circuit

A chaotic system and automatic switching technology, which is applied in transmission systems, logic circuits, digital transmission systems, etc., can solve problems that have not been reported, and achieve the effects of flexible switching, wide application prospects, and enhanced security

Inactive Publication Date: 2010-12-29
JINZHONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
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Problems solved by technology

[0002] There are many reports in the literature on the method of using analog circuits to realize chaotic systems, and there are also reports on the use of digital circuits (such as FPGA) to realize automatic switching of chaotic systems, but the method of using analog circuits to realize automatic switching of chaotic systems has not been reported. Circuits can prove the existence of chaotic systems more effectively than digital circuits. Therefore, it is particularly necessary to design a method for automatically switching chaotic systems using analog circuits.

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  • Method for implementing automatically switched chaotic system and analogue circuit
  • Method for implementing automatically switched chaotic system and analogue circuit
  • Method for implementing automatically switched chaotic system and analogue circuit

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Embodiment Construction

[0031] The present invention will be further described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0032] see Figure 1-Figure 8 , first construct an automatic switching chaotic system, a chaotic system (a) selected in this preferred embodiment is:

[0033] (a) a=8,b=40,d=0.7,c=10 / 3,g=4

[0034] Another chaotic system (b) selected is:

[0035] (b) a=8,b=40,d=0.7,c=10 / 3,g=4

[0036] Under the same parameter conditions as (a), the Lyapunov exponent of system (b) is: LE 1 =0.529 LE 2 =0 LE 3 =-12.577; The fractal dimension D of the chaotic attractor 2 =2.0422, at this time the chaotic system (b) is also in a chaotic state.

[0037] Construct a choice function system (c) combining chaotic systems (a) and (b) into a new switching chaotic system (d):

[0038] (c)

[0039] (d)

[0040] Under the same parameter conditions as systems (a) and (b), the Lyapunov exponent of...

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Abstract

The invention discloses a method for implementing an automatically switched chaotic system by using an analogue circuit, which comprises: forming an automatic switching system by combining two chaotic systems; and using the analogue circuit to implement the automatically switched chaotic system. In the invention, the automatic switching between the two chaotic systems is realized by the analogue circuit, so the existence of the switching of the chaotic systems is proved effectively; when the switching system is used for chaotic synchronization-based secure communication, the security of the chaotic synchronization-based secure communication is enhanced; when the switching system is used for keying technology-based chaotic communication, the inter-system switching is more flexible and convenient; therefore, the automatically switched chaotic system has a promising application prospect.

Description

technical field [0001] The invention relates to a method for automatically switching a chaotic system by using an analog circuit, in particular to a method for automatically switching a chaotic system and an analog circuit. Background technique [0002] There are many reports in the literature on the method of using analog circuits to realize chaotic systems, and there are also reports on the use of digital circuits (such as FPGA) to realize automatic switching of chaotic systems, but the method of using analog circuits to realize automatic switching of chaotic systems has not been reported. Circuits can prove the existence of chaotic systems more effectively than digital circuits. Therefore, it is particularly necessary to design a method for automatically switching chaotic systems using analog circuits. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide a method for automatically switching the chaotic system by us...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00H03K19/00
Inventor 王忠林胡波王树斌韩敬伟
Owner JINZHONG POWER SUPPLY COMPANY OF STATE GRID SHANXI ELECTRIC POWER
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