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Current-type grid multi-scroll chaotic circuit

A chaotic circuit, multi-scroll technology, applied in secure communication through chaotic signals, electrical components, digital transmission systems, etc., can solve the problems of difficult application engineering, high power consumption, narrow frequency spectrum, etc. Good high frequency performance, easy integration effect

Active Publication Date: 2016-03-16
XIANGTAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the existing chaotic circuits all use the voltage signal as the state variable of the circuit, so there are disadvantages such as narrow spectrum range and high power consumption, which are difficult to apply to practical engineering.

Method used

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  • Current-type grid multi-scroll chaotic circuit
  • Current-type grid multi-scroll chaotic circuit
  • Current-type grid multi-scroll chaotic circuit

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Effect test

Embodiment Construction

[0028] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0029] Such as figure 1 As shown, the present invention comprises the first current integrator I1, the second current integrator I2, the third current integrator I3, the current inverse proportional operation circuit K1, the first current mode ladder wave sequence generation circuit-f(I x ) and the second current mode ladder wave sequence generating circuit-f(I y ), the output terminal of the current inverse proportional operation circuit K1 is connected to the input terminal of the first current integrator I1, and the output terminal of the first current integrator I1 is respectively connected to the input terminal of the second current integrator I2, the current inversion The input end of the proportional operation circuit K1 is connected, and the output end of the second current integrator I2 is respectively connected to the input end of the third c...

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Abstract

The invention discloses a current-type grid multi-scroll chaotic circuit, which comprises three current integrators, a current inverting amplifier and two current mode step wave sequence generation circuits, wherein the three current integrators are serially connected in sequence; the input end of the current inverting amplifier is connected with the output ends of the three current integrators and the output ends of the two current mode step wave sequence generation circuits; the output end of the second current integrator is connected with the input end of the second current mode step wave sequence generation circuit; the output end of the second current mode step wave sequence generation circuit is connected with the input end of the third current integrator; and the output end of the third current integrator is connected with the input end of the first current mode step wave sequence generation circuit. Current signals are adopted as state variables for the circuit, the state variables are directly outputted from the high-impedance end of the current integrator, a load can be directly driven without a buffer, the high-frequency performance is good, and high-frequency multi-scroll chaotic attractors can be generated.

Description

technical field [0001] The invention relates to the field of chaotic systems, in particular to a current grid multi-scroll chaotic circuit. Background technique [0002] Chaos has complex characteristics such as initial value sensitivity, unpredictability, ergodicity, and inherent randomness. It has broad prospects in the fields of communication systems, information processing, and image compression. In recent years, the structure and circuit realization of the multi-scroll chaotic system have attracted widespread attention. Many patents have proposed a voltage-mode multi-scroll chaotic circuit generator. A signal generator and its use method, the chaotic signal generator can generate a 3-dimensional multi-scroll chaotic attractor, and can realize the control of the number of scrolls through switch combination; another example is that the application number is CN201410671491.2, which discloses a method based on 3-D Mesh Multi-Scroll Chaotic Circuit for Current Feedback Ampl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/00
CPCH04L9/001
Inventor 李志军肖文润马铭磷王梦蛟
Owner XIANGTAN UNIV
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