Research on the Application of Computer Digital Simulation Technology in the Chaos Model of Analog Circuits

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In this paper, a method of generating wide-interval frequency-hopping sequences for bidirectional coupled mapping grids based on Tent mapping is presented. Multi-bit quantization, bit extraction and improved translation substitution method are adopted. The method is based on FPGA technology with Logistic chaotic mapping circuit as frequency hopping sequence generator. Direct digital frequency synthesizer is used as the basis of frequency hopping signal source. The signal is synthesized on FPGA, and the high performance AD9777 is used to realize the digital to analog conversion. The simulation results show that the wide interval frequency hopping sequence generator has the characteristics of simple structure and low computational complexity. The experimental results captured on a digital oscilloscope demonstrate the physical realizability of the constructed magneto-controlled memristor circuit.

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