基于同步超混沌映射的数字通信
Digital Communication using Synchronized Hyperchaotic Maps
摘要:
本文介绍了同步超混沌映射的分析和实际实现的数字数据的私人通信。使用混沌掩蔽传输数据,并使用匹配滤波器(积分和转储)接收机解调,这在这种情况下被证明是接近最佳的。仿真结果进行了验证,通过实现两个地图上的电路板,使用高速分立元件。实验结果表明,在比特率为10 kbps和时钟频率为0.5 MHz时,误比特率(BER)为2 × 10 -6,这足以用于高保真实时语音和图像传输,而无需额外的差错控制编码。
英文摘要:
This paper describes the analysis and practical implementation of synchronized hyperchaotic maps for private communication of digital data. The data is transmitted using chaotic masking and demodulated using a matched filter (integrate and dump) receiver, which is shown to be nearly optimal in this case. Simulation results were validated by implementing two maps on circuit boards using high-speed discrete components. Experimental results show a bit error rate (BER) of 2x10-6 at a bit rate of 10 kbps and a clock frequency of 0.5 MHz, which is sufficient for high-fidelity real-time speech and image transmission without additional error control coding.
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