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本文提出了用混沌迭代函数作为Mealy型有限状态机状态转换函数，用m 状态序列作为输入产生伪随机码序列，证明了系统的输出周期是m序列的整数倍；分析其输出序列近似具有独立均匀同分布的随机特性；还保持了混沌序列高复杂性等特点。
In this paper, chaos iteration function is proposed as Mealy finite state machine state transition function, and m-state sequence is used as input to generate pseudo-random code sequence. It is proved that the output period of the system is an integer multiple of m sequence. With the same distribution of random characteristics; but also to maintain the chaotic sequence of high complexity and so on.