Chaotic signal generating method and device, equipment and readable storage medium

Abstract

The invention discloses a chaotic signal generating method for an FPGA platform. The chaotic signal generating method includes the steps of obtaining an object chaotic signal of a fixed point format,wherein the object chaotic signal is obtained on the basis of mathematical software by means of a second-order runge kutta method; generating a target chaotic signal of the fixed point format by meansof the second-order runge kutta method; judging whether the difference value between the target chaotic signal and the object chaotic signal is smaller than a preset threshold; if yes, sending the target chaotic signal to an upper computer so that target simulation software in the upper computer can conveniently simulate the target chaotic signal. By means of the method, the generation efficiencyand accuracy of the chaotic signals can be improved. Accordingly, a chaotic signal generating device, equipment and a readable storage medium also have the technological advantages.

Description

technical field [0001] The present invention relates to the technical field of communication, and more specifically, to a chaotic signal generation method, device, equipment and readable storage medium. Background technique [0002] The chaotic signal can be used as a carrier to hide the transmission signal in the chaotic carrier, or give different information sequences to different waveforms through symbol dynamics analysis, and demodulate the transmitted information by using the properties of chaos or synchronization at the receiving end. [0003] In the prior art, the hardware circuit is generally designed based on the FPGA platform, and the chaotic signal in the floating-point format is obtained by hardware programming, which consumes more computer resources and the operation speed is relatively slow, so the generation efficiency of the chaotic signal is relatively low. slow. Moreover, after chaotic signals are generated based on the FPGA platform, technicians are requi...

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Problems solved by technology

[0003] In the prior art, the hardware circuit is generally designed based on the FPGA platform, and the chaotic signal in the floating-point format is obtained by hardware programming, which consumes more computer resources and the operation speed is relatively slow, so the generation efficiency of the chaotic signal is relatively low. slow

Moreover, after chaotic signals are generated based on the FPGA platform, technicians are required to judge the pros and cons of the generated chaotic signals based on work experience and theoretical common sense. However, due to the lack of a unified reference standard, the judgment results are often not accurate enough, which will affect the quality of the chaotic signals. Poor, so that the accuracy of the chaotic signal is reduced

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