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分析了Ｆｒｅｙ提出的自适应数字混沌编码器的不足，提出一种新的自适应数字混沌编码器．通过动态调整混沌系统的参数，使得数字混沌编码器具有更好的相关特性及更高的复杂度，因而更加适用于保密通信。
The shortage of adaptive digital chaotic encoder proposed by Frey is analyzed and a new adaptive digital chaotic encoder is proposed. By dynamically adjusting the parameters of the chaotic system, the digital chaotic encoder has better correlation characteristics and higher complexity, and thus is more suitable for secure communication.