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中文摘要：
基于混沌同步的保密通信方式相比传统保密通信方式有很大的优势,发展前景光明。通常混沌同步保密通信方式用混沌掩盖来实现,需要两个信道,其中一个信道传输混沌同步信号使系统保持同步,另一路则传输用混沌信号掩盖后的保密信息。在频谱资源日益紧张的情况下,由于这种通信方式对于信道资源的利用率相对较低,因此经济效益较差。本文提出了一个新的系统,用一个信道轮动传输信息和同步信号,对系统进行了详细分析,重点研究了系统传输的时隙分配并给出了仿真验证,证明了该系统能极大地提高信道利用率,同时对该系统的实际应用作了详细分析。
英文摘要：
The secure communications based on chaos synchronization have more great advantages than the traditional communications.Normally,the secure communications using chaos synchronization are achieved by chaotic mask.Two channels are required in this mode,one channel transmits signal to keep the system synchronized,while the other channel transmits confidential information after masked with the chaotic signal.In the case the growing shortages of spectrum resources,channel resource utilization in this means of communication is relatively low and therefore less cost-effective.A new system is proposed with a circled channel to transmit information and synchronous signal.The system is analyzed in detail,focusing on the time slot allocation and the simulation verification.It proves that the system can greatly improve the channel efficiency and the practical application of the system.
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