提出了一类强非线性动力系统的两项谐波法。
Two harmonics method is presented for strongly nonlinear dynamic-system.
混沌是确定性非线性动力系统内在随机性的表现。
Chaos is internal random behavior expression of certainty nonlinear dynamical system.
非线性动力系统；
提出一类强非线性动力系统的叠加迭代谐波平衡法。
A superimposing iteration harmonic balance method (SIHB) is presented for the steady-state analysis of strongly nonlinear oscillators.
混沌是确定系统的非线性动力系统中出现的随机现象。
Chaos is a random phenomenon in deterministic nonlinear dynamic systems.
神经网络是高度复杂的非线性动力系统，存在着混沌现象。
Neural network is a kind of highly complex nonlinear dynamic system, and chaotic phenomenon was found in it.
混沌现象是非线性动力系统中一种确定的、类似随机的过程。
As a phenomenon found in non-linear dynamic system, chaos is deterministic and random-like.
本文研究采用振荡控制方法，来改善非线性动力系统的特性。
This paper extends the vibrational control theory to the nonlinear dynamical systems with time lags.
本文建立确定非线性动力系统的周期的新方法——后继函数法。
Successive function method is presented to determine the period of stable non linear dynamic system.
大气和海洋中的流场是典型的时变向量场，属于非线性动力系统。
Oceanic and atmospheric flows are typical time-dependent vector fields, which belong to nonlinear dynamical system.
泉水系统属非线性动力系统，泉水月流量序列具有季节波动的特点。
The spring water system is a nonlinear dynamic system and its monthly discharge is characterized by seasonal fluctuations.
为了讨论混沌运动，对一类非线性动力系统的自由振动方程进行了求解。
A kind of free vibration equation of the nonlinear dynamical system is solved to study chaotic movement.
考虑了具有缓变输入信号的非线性动力系统的一类平衡点集合的稳定性。
Stability for a certain family of equilibrium of a nonlinear system with varying input signals was considered.
通过建立三轴稳定质量矩拦截器的数学模型，得到一个非线性动力系统。
According to the constructed model of the mass moment interceptor with three-axial stabilization, a nonlinear dynamic system was acquired.
在周期环境下，研究一类具有年龄结构种群线性动力系统的最优控制问题。
The optimal control problem of linear population dynamic system with age-structure in periodic environment was investigated.
混沌经济时间序列的预测方法研究是混沌经济非线性动力系统的重要内容。
The research on forecasting method of chaotic economic time series is the important part of the nonlinear chaotic economic dynamic systems.
最后利用所得到的规范形和普适开折讨论了非线性动力系统的余维3退化分叉。
Finally we use obtained normal form and universal unfolding to discuss codimension 3 degenerate bifurcations of nonlinear dynamical system.
结果表明代数动力学方法对于具有非半单李代数结构的线性动力系统仍然适用。
It has also been shown that the algebraic dynamics might be generalized from the linear dynamic system with a semi-simple Lie algebra to that with a general Lie algebra.
由于齿轮副啮合刚度的影响，动力学方程序代表了一个具有时变系数的线性动力系统。
Because of the meshing stiffness of a gear pair, the governing equation denotes a linear dynamic system with periodic time-varying coefficient.
通过对二维非线性动力系统的截断近似，使得二维非线性动力系统由一组方程来表达。
Nonlinear dynamic system in two dimensions is expressed by a group of equations by approximately Truncating nonlinear dynamic system in two dimensions.
与线性动力系统不同，阻尼叶片的频率不再是它的固有特性，其频率受外界激振力的影响。
The damped blades is a nonlinear dynamic system, so its natural frequency can be influenced by external force.
同时又分别以连续和间歇发酵非线性动力系统为状态方程，建立了两个非线性最优控制模型。
At the same time, two other optimal control models are formed taking nonlinear dynamic system in continuous and batch culture as state equations separately.
混沌和混沌控制是非线性动力系统的新理论、新方法和新概念，是智能控制的重要组成部分。
Chaos and control of chaos are new theory and new methodology and new concept of nonlinear dynamic system, which has become an important part of intelligent control.
岩溶水系统是受水文、地质、地形地貌、植被、人类活动等多种因素影响的非线性动力系统。
The groundwater system of karst spring is a nonlinear and dynamic system influenced by factors such as hydrology, geology, landform, vegetation and human's activities.
最后，以一类刚性约束的非线性动力系统为例，揭示了局部映射在其动力学分析中的重要作用。
Finally, an important role of local map is shown in the dynamical analysis of a given nonlinear dynamical system with rigid constraints.
从非线性动力系统理论角度看，相似日预测的实质是对负荷序列中平衡点和准周期行为的预测。
From the viewpoint of nonlinear dynamic system theory, the substance of load forecasting by the loads in similar days is the forecasting for the behaviors of equilibrium points and quasi-periods.
在了解混沌非线性动力系统特征的基础上，本文就混沌非线性系统的智能控制方法进行了研究。
Based on the understanding of characters about the chaotic nonlinear dynamical systems, intelligent control methods for chaotic nonlinear systems are presented.
本文用一个特例解出方程组，说明了二维线性动力系统向圆映象的转换，并且表明了这种方法的有效性。
A group of equations is solved for an example, the translation from nonlinear dynamic system in two dimensions to a circle mapping is discussed, and the effectiveness of the method is also showed.
作为经济生活中一个很重要的部分，股票市场是一个复杂的非线性动力系统，因此预测股市是非常困难的。
As an essential part in the economic life, the stock market is a complicated nonlinear dynamic system which decides the difficulties in predicting stock price.
作为经济生活中一个很重要的部分，股票市场是一个复杂的非线性动力系统，因此预测股市是非常困难的。
As an essential part in the economic life, the stock market is a complicated nonlinear dynamic system which decides the difficulties in predicting stock price.
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