A digital image encryption algorithm based on Logistic chaotic sequence is presented to make use of its properties, such as sensitivity on their initial conditions and parameters of the map, good statistic characteristic. 离散的Logistic映射对初值和结构参数的改变具有极端的敏感性,在一定条件下能够产生混沌,并且产生的混沌序列具有类白噪声统计特性等特点。
Taking use of disturbance method, the asymptotic solution for the Duffing equation with the given initial conditions is obtained. 利用摄动法求得了有限水深情形下,非线性水波随时间的变化规律的数学模型所满足的方程的渐近解。
Secondly, use the Northern American Mesoscale ( NAM ) model analysis data to provide the boundary and initial conditions to ran WRF model with three nested domains method. 然后,利用北美中尺度分析资料(NAM)得到初始条件和边界条件,采用三重嵌套方案运行WRF模式。
By use of the abundant and accurate data, the author make a staged research on the background, initial conditions, measures and outcome of the banking reform in each country. Experience and lessons of banking transition in these countries are also summarized in this chapter. 作者从实际数据和资料出发,对各个国家银行改革背景、初始条件改革措施以及改革成效进行了分阶段介绍,并总结了各国在银行业转型中的经验与教训。
It is easy to use the improved chua's circuit to control and synchronize chaotic signal in experiment, during which the long-puzzled problem of initial conditions is solved. 实验发现改进型蔡氏电路产生混沌信号易于控制和同步,长期困惑的初始条件问题在实验中得到解决。