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A chaotic communication method and system based on complex correction proportional difference function synchronization

A technology of correcting ratio and chaotic communication, which is applied in the field of communication, can solve the problem that the bit error rate cannot be zero, and achieve the effect of simplifying the structure requirements

Active Publication Date: 2022-03-22
QILU UNIV OF TECH +1
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Problems solved by technology

[0005] The purpose of the present invention is to provide a chaotic communication method and system based on complex correction proportional difference function synchronization, so as to solve the problem that the bit error rate cannot be theoretically zeroed in the prior art

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  • A chaotic communication method and system based on complex correction proportional difference function synchronization
  • A chaotic communication method and system based on complex correction proportional difference function synchronization
  • A chaotic communication method and system based on complex correction proportional difference function synchronization

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Embodiment Construction

[0047] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0048]The object of the present invention is to provide a chaotic communication method and system based on complex correction proportional difference function synchronization, so as to solve the problem that the bit error rate cannot be theoretically zeroed in the prior art.

[0049] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunc...

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Abstract

The chaotic communication method and system based on the synchronization of the complex correction proportional difference function provided by the present invention, when the chaotic signal is small, the adjustment of the amplitude of the chaotic signal can be realized by adjusting the proportional matrix, so as to better cover up the plaintext. Moreover, a robust controller is designed according to the filtered signal and the second coupling function to ensure the synchronization of the complex correction proportional difference function, and this synchronization makes the bit error rate theoretically zero. In addition, the synchronization of the complex corrected proportional difference function does not require the sending end and the receiving end to be completely consistent, and only needs to realize the synchronization of the complex corrected proportional difference function under the action of the controller. The drawbacks of completely consistent structure simplifies the structural requirements of the communication system.

Description

technical field [0001] The invention relates to the field of communication, in particular to a chaotic communication method and system based on synchronous complex correction proportional difference function. Background technique [0002] The traditional chaotic communication requires that the amplitude of the chaotic signal is much larger than the amplitude of the information signal (plaintext) and the amplitude of the noise, in order to completely cover up the information. When the amplitude of the information signal (plaintext) is large, the types of chaotic signal generators commonly used are limited, and the output amplitude is fixed, so it is difficult to completely cover up the plaintext. [0003] In addition, the signal recovered based on fully synchronous chaotic communication always has a certain noise error, and it is difficult to completely eliminate the noise through filtering. At the same time, complete synchronization also requires the system structure of the...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L27/00H04L9/00
CPCH04L27/001H04L9/001H04L9/12
Inventor 张芳芳舒明雷孙凯黄明明张雪
Owner QILU UNIV OF TECH
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