Based on the features of initial value sensitivity, parameter sensitivity, ergodicity and random similarity, chaotic maps are now widely used in information encryption.
混沌映射因为初值敏感性、参数敏感性、遍历性和类随机性的特点，很适合用于信息加密。
The main research contents and research conclusions are listed as follows. (1) Method study on chaotic noise reduction combining with the attractor trajectories features in phase space.
主要研究内容和研究成果包括：(1)结合混沌相空间轨迹特性进行混沌信号噪音滤除的方法研究。
There are inextricably links between chaos theory and simple cryptography, and chaotic dynamics shows some features that are desirable for the cipher system.
混沌理论与密码学之间存在着千丝万缕的联系，混沌系统的动力学特性满足密码系统的某些安全性能需求。
The results show that chaotic and determined features exist together in cylinder head vibration, while the cylinder vibration and block vibration are both purely chaotic.
结果表明，缸盖振动混沌与确定性共存，而缸套、机身振动则为混沌振动。
The results show that chaotic and determined features exist together in cylinder head vibration, while the cylinder vibration and block vibration are both purely chaotic.
结果表明，缸盖振动混沌与确定性共存，而缸套、机身振动则为混沌振动。
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