Abstract
To overcome the shortcomings of realizing chaotic system by analog circuits, digital chaotic signal generation circuits based on DSP are designed. Computer simulation of chaotic system is performed firstly, and the discrete equations are obtained using discretization algorithm. On this basis, the design of hardware circuits based on DSP is made, and the corresponding C programs are constructed. Through the debugging of software and hardware, digital design of chaotic system based on DSP is achieved, and chaotic attractor is observed through an oscilloscope by digital-to-analog conversion circuit. The experimental results coincide with the simulation, proving the correctness of the design. The chaotic signal generation circuits can provide rich digital chaotic signals sources for the application of chaotic systems in engineering.
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