查询词典 chaos

Because the time series generated from finite difference equation with chaos may also possess exponential distribution of probability density. Additionally, irregular dynamics has ever been attributed to the presence of stochastic noise in many systems, but actually it may result from chaotic process in deterministic system.

近年来对非线性动力系统的深入研究发现：观察到某一过程具有指数型概率密度事件分布并不足以确定它就是泊松过程，由具有混沌行为的有限差分方程所产生的时间序列也可具有指数型概率密度分布；在许多系统中，过去归因于随机噪声的不规则动力学特性，实际上很有可能是由确定性系统中的混沌过程所致。

Fight with the Imperium's Space Marines to guard mankind's last hope, or reign as the diabolic forces that worship Chaos.

使用Imperium's Space Marines种族来保卫人类最后的希望，或者选择嗜好混乱的魔族。

The basic idea of the method is: take a diffeomorphism mapping and coordinate transformation to the nonlinear model, to get exact linearization model of the power system, with the state feedback. At last, optimal control method is adopted to design the chaos controller of the power system.

该方法基本路线为：对系统非线性模型通过微分同胚进行坐标变换，再采用状态反馈，完成对电力系统非线性模型的精确线性化处理，之后，采用最优控制方法，设计控制器。

The analysis results show the differential geometry method is effective for controlling chaos of power system and its control property is better than that of other methods.

研究表明：采用微分几何方法能够对电力系统的混沌行为进行有效控制，控制效果与其他混沌控制方法相比，具有明显的优越性。理论分析和数值仿真结果都证明了该控制方法的有效性。

The curriculum comprises the fundamental concepts of point set topology, differential manifold and differential dynamics, followed by the conceptions and theoretical methods of abrupt change, bifurcation, chaos and fractal. The analysis and compare combined with the practice in power system make it easy for readers to learn the basic methods of nonlinear dynamics and write high quality papers.

本课程主要内容包括点集拓扑学、微分流形和微分动力系统的基本概念，后面部分主要涉及到突变与分叉、混沌、分形和分维概念和理论方法，并结合电力系统实际例子加以分析与比较，使读者很快掌握非线性动力学的基本方法，能够写出高质量的文章和学术论文。

Fault diagnosis; chaos theory; correlation dimension; wavelet analysis; virtual instrument; hydraulic pump

故障诊断；混沌理论；关联维数；小波分析；虚拟仪器；液压泵

Chaos optimization algorithm is global search method and it need not to consider SVM dimensionality and complexity.

混沌优化算法是一种全局搜索方法，在选取SVM参数时，不必考虑模型的复杂度和变量维数。

In the new method proposed, gradient direction is not directional derivative but optimized result of chaos search in local area.

该方法先在局域内用混沌优化搜索局域最优点，再将此最优点作为梯度方向，通过改变局域范围跳出局部寻优区域。

It has two characteristics:① the preclude phase\|locking staircase to type V intermittency before entering chaos includes the traditional\|like and multiple\|like devil′s staircase structures;② the chaotic attractor appearing after the staircase always is the end\|results of the image set of the discontinuous borderline.

这类系统中的 V型阵发有两个特点：1系统进入混沌之前展示的 V型阵发前奏锁相阶梯同时包含类似传统魔梯和多重魔梯的结构；2锁相阶梯之后出现的混沌吸引子总是不连续边界象集的归宿

In this paper, the method of synchronizing chaos by driving of discrete chaotic system in continuous chaotic systems is proposed. The logistic map, Henon map and the system of Lorenz are taken as three typical examples.

提出了用离散混沌系统驱动连续混沌系统导致其同步的方法，以逻辑映象、Henon映象、Lorenz系统为例，数值地研究了这种混沌同步方法。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。