Differential chaotic system signal generating device and signal generating method

Abstract

The invention provides a differential chaotic system signal generating device which can generate any differential chaotic system, change system parameters and system calculation initial values and generate a chaotic signal without using a non-linear circuit. The differential chaotic system signal generating device comprises a system input module, an initial value input module, an equation calculation module and a signal output module, wherein the system input module is used for inputting a differential chaotic equation; the initial value input module is used for inputting the calculation initial values of the differential chaotic equation; the equation calculation module receives the differential chaotic equation and the calculation initial values inputted by the system input module and the initial value input module, and solves the differential chaotic equation; and the signal output module is used for converting the solution sequence obtained by the solution module to obtain a simulated chaotic signal, and carries out D/A conversion of the simulated chaotic signal to output an analog chaotic electric signal. The invention also provides differential chaotic system signal generating method. Any differential chaotic equation can be inputted, multiple differential chaotic signals can generated, calculation initial values and system parameters can be changed, and reflecting the dynamical characteristics of chaotic signals are reflected.

Description

technical field [0001] The invention relates to the field of communication technology, in particular to a differential chaotic signal generating device and a signal generating method. Background technique [0002] Chaos is a unique motion form of nonlinear dynamical system, which widely exists in nature, such as physics, chemistry, biology, geology, and technical science, social science and other scientific fields. In the 1990s, due to the initial value sensitivity and parameter sensitivity of the chaotic system, more experts paid attention to it. Whether it is in psychology, mathematics, physics, chemistry, electronics, information science, or astronomy, meteorology, economics, or even in music, art and other fields, chaos has been widely studied and applied. [0003] The Chinese Invention Patent Application Publication No. CN101183929 discloses a kind of chaotic circuit and its realization method that produces multi-surrounding coil waves, and the Chinese Invention Patent...

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Problems solved by technology

[0003] The Chinese Invention Patent Application Publication No. CN101183929 discloses a kind of chaotic circuit and its realization method that produces multi-surrounding coil waves, and the Chinese Invention Patent Application Publication No. CN1747377A also discloses a kind of scroll chaos Signal generators and methods of use thereof, although the devices and methods recorded in these existing documents have made actual circuits, but using circuits to generate chaotic signals can only generate signals of a specific chaotic system, because accurate circuit parameters cannot be obtained , it is difficult to obtain an ideal chaotic signal, and due to the sensitivity of the initial value and circuit

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