提出同步误差放大、基波缩减的方法，获取对参数变化敏感、互相关性小的加密变量。

The methods to amplify the synchronized error and to decrease the cross correlation are proposed to generate the encryption variables which are very sensitive to parameters.

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基于高有效位的数字计算方法和误差估计方法，对目前已提出的基于切比雪夫映射的公钥加密方法进行了改进，得到一种密钥协商协议。

Based on high effective locations algorithm and error estimate, improvement of the public-key scheme based on Chebyshev maps proposed recently was presented and a key agreement protocol was given.

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对双随机相位加密过程进行了计算机模拟，并对该技术的误差容限进行了分析与模拟。

Double random phase encryption technique is simulated, its faulty tolerance is also analyzed and results of simulated experiments are given.

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