中文摘要：

提出了一种对数字化三维Baker混沌系统进行扰动的可行方案，该方案选择性扩散数字化混沌系统中的部分变量，以达到对整个系统的扰动。实验的数据表明，该扰动方案有效地补偿了多维数字化混沌系统的动力学特性退化。

英文摘要：

A scheme on perturbing the values of variables in the digital 3D-Baker maps is investigated, in which some of the variants is diffused so as to perturb the whole system. Perturbance-based algorithm can make those theories on chaos applicable for digital devices with finite precision. The simulation results show that the perturbing scheme in this paper is effective.