Chaotic circuit for generating grid multi-wing butterfly chaotic attractors and use method
A technology of chaotic attractors and chaotic circuits, applied in electrical components, digital transmission systems, transmission systems, etc., can solve the problem that chaotic circuits cannot produce grid multi-wing butterfly chaotic attractors, etc.
Active Publication Date: 2015-01-28
CHONGQING UNIV OF POSTS & TELECOMM
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[0003] The technical problem to be solved by the present invention is that, aiming at that the chaotic circuit of the prior art cannot generate the chaotic attractor of the grid multi-wing butterfly, a chaotic circuit for generating the chaotic attractor of the grid multi-wing butterfly is designed
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[0022] The implementation of the present invention will be specifically described below with reference to the accompanying drawings and specific examples.
[0023] figure 1 Shown is the functional block diagram of the circuit of the present invention. The circuit includes: a third-order autonomous circuit (N), a first subsection time-delay function sequence generator (N1), a second subsection time-delay function sequence generator (N2) and a voltage divider (N3) four parts; three b of order autonomous circuits (N) 1 The output terminals are respectively connected to x of the first subsection time-delay function sequence generator (N1) 1 、x 3 and x 4 Input terminal; b of the third-order autonomous circuit (N) 2 The output terminal is connected to x of the first subsection delay function sequence generator (N1) 2 Input terminal; b of the third-order autonomous circuit (N) 3 The output terminals are respectively connected to z of the second subsection time-delay function s...
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The invention discloses a chaotic circuit for generating grid multi-wing butterfly chaotic attractors and a use method and relates to chaotic circuits required in secret communication. The chaotic circuit is formed by a third order autonomous circuit (N), a first piecewise time delay function sequence generator (N1), a second piecewise time delay function sequence generator (N2) and a voltage divider (N3). The first piecewise time delay function sequence generator (N1) and the second piecewise time delay function sequence generator (N2) can control the chaotic circuit to generate different quantities of grid multi-wing butterfly chaotic attractors. The use method of the chaotic circuit comprises the steps of controlling the first piecewise time delay function sequence generator (N1) and the second piecewise time delay function sequence generator (N2) to output different signals by adjusting switches of k1, k2, k3, k4, k5, k6, k7 and k8 to make the chaotic circuit to generate the butterfly chaotic attractors with grids of 4*2, 6*3, 8*3 and 8*4. The chaotic circuit for generating the grid multi-wing butterfly chaotic attractors and the use method can be applied to secret communication and improve the communication safety.
Description
technical field [0001] The invention relates to a chaotic circuit, in particular to a chaotic circuit of a grid multi-wing butterfly chaotic attractor required in secure communication and a use method thereof. Background technique [0002] How to generate various chaotic signals required in chaotic secure communication is a new field of nonlinear circuit and system science research. At present, a series of achievements have been made in the research on the chaotic circuit that produces the chaotic attractor of the two-winged butterfly, but the chaotic attractor of the two-winged butterfly is not as complicated as the dynamic behavior of the chaotic attractor of the multi-winged butterfly. Therefore, the Chinese invention patent application with the publication number CN103236920A The open specification discloses a kind of improved four-dimensional unified multi-wing chaotic system, and the Chinese invention patent application open specification that the publication number is...
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IPC IPC(8): H04L9/00
Inventor 黄沄赵卫峰
Owner CHONGQING UNIV OF POSTS & TELECOMM