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random parametric
相关语句
  随机参数
     SHIP ROLLING MOTION UNDER RANDOM PARAMETRIC EXCITATIONS
     随机参数激励下船舶的横摇运动
短句来源
     A STUDY ON RANDOM PARAMETRIC VIBRATION OF STRUCTURE WITH STOCHASTIC INITIAL DEFLECTION
     随机初始挠度结构的随机参数振动分析
短句来源
     Based on the random aggregate model a radom aggregated and random parametric model describing the random characteristics of meso-structure and mechanical properties of concrete material is proposed.
     本文在随机骨料模型的基础上,提出了既能反映混凝土骨料分布随机性又能反映混凝土细观各相材料力学特性随机性的随机骨料随机参数模型。
短句来源
  “random parametric”译为未确定词的双语例句
     Nonlinear Random Parametric Vibration of an Electromagnetic Exciter
     电磁激振器的非线性随机参变振动
短句来源
     SOME APPLICATIONS OF PARAMETRIC RANDOM PROCESSES AND DOUBLY RANDOM PARAMETRIC PROCESSES
     参变随机过程与重随机参变过程的若干应用
短句来源
     A STUDY OF STABILITY WITH PROBABILITY 1 OF SYSTEMS WITH RANDOM PARAMETRIC EXCITATION
     随机参激系统的以概率1稳定性研究
短句来源
     Visco-Elastic Systems Under Both Deterministic and Bound Random Parametric Excitation
     谐和与有界噪声联合参激作用下的Visco-Elastic系统
短句来源
     The stability with probability 1 of second-order linear systems with random parametric excitation and a certain class of second-order nonlinear systems with random parametric excitation is studied.
     本文研究了二阶线性随机参激系统和一类二阶非线性随机参激系统的以概率1稳定性。
短句来源
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  相似匹配句对
     ON RANDOM
     论随机性
短句来源
     PARAMETRIC PROBABILITY SPACES AND PARAMETRIC RANDOM PROCESSES
     参变概率空间与参变随机过程
短句来源
     Applications of Parametric Random Process in Omen Forecasting
     参变随机过程在征兆预测中的应用
短句来源
     random errors.
     线性回归可以称做参数部分,随机误差项可以看成是系统偏差。
短句来源
     Parametric Instabilities
     参量不稳定性(英文)
短句来源
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  random parametric
Destabilizing effect of random parametric perturbations of the white-noise type in some quasilinear continuous and discrete dyna
      
Random oscillations in nonautonomous mechanical systems with random parametric excitation
      
Averaging method in a problem of random parametric resonance
      
The stabilizing effect of a random parametric perturbation on an unstable linear system
      
The effect of random parametric excitation on the stability of trivial solutions of systems of differential equations for the moments of phase variables is studied.
      
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In this paper, we make use of the concepts of doubly random parametric probability spaces and doubly random parametric processes (DRPP, see[1], [2], [3], etc)to establish the mathematical models of competition of livings, and make use of the treeshape competition space to set up the mathematical model of evolutionism. The concepts of value function of competitive condition and relationship between competitors are set up; The control method of ecological balance as a random game is probed.

本文用DRPP([1]~[3]等)为工具建立了生物竞争的数学模型;用树影竞赛空间建立了生物进化的数学模型。提出了竞争条件的评价函数与竞争者之间的关系等数学概念;概述了生态平衡的随机对策控制方法。

The stability with probability 1 of second-order linear systems with random parametric excitation and a certain class of second-order nonlinear systems with random parametric excitation is studied. The optimum quadratic form'Lyapunov functions depending on the system constants are obtained. The sufficient conditions of stability with probability 1 of systems are obtained.

本文研究了二阶线性随机参激系统和一类二阶非线性随机参激系统的以概率1稳定性。得到了仅依赖于系统参数的最佳二次型李亚普诺夫函数。进而得到系统以概率1稳定的条件。

The principal resonance of a Duffing oscillator to combined deterministic and narrow band random parametric excitations is investigated. In particular, the case in which the parametric terms sharing close frequencies is examined. For the first time, the method of multiple scales is used to determine the equations of modulation of amplitude and phase. The behavior, stability and bifurcation of steady state response are studied by means of qualitative analyses. Jumps are shown to occur if the random...

The principal resonance of a Duffing oscillator to combined deterministic and narrow band random parametric excitations is investigated. In particular, the case in which the parametric terms sharing close frequencies is examined. For the first time, the method of multiple scales is used to determine the equations of modulation of amplitude and phase. The behavior, stability and bifurcation of steady state response are studied by means of qualitative analyses. Jumps are shown to occur if the random excitation is small. The effects of damping, detuning, and magnitudes of deterministic and narrow band parametric excitations are analyzed. The theoretical analyses are verified by numerical results. Theoretical analyses and numerical simulations show that: 1. When the intensity of the random excitation increases, the trivial steady state solution may lose its stability and then the system may have a nontrivial steady state solution. 2. When the intensity of the random excitation increases, the nontrivial steady state solution may change from a limit cycle to a diffused limit cycle. 3. Under some conditions the systems may have two steady state solutions. 4. Under some conditions the jumps may exist.

研究了Dufing振子在谐和与窄带随机噪声联合激励下的参数主共振响应和稳定性问题.用多尺度法分离了系统的快变项,并求出了系统的最大Lyapunov指数.本文还分析了失稳及跳跃现象,及系统的阻尼项、非线性项、随机项、确定性参激强度对系统响应的影响.数值模拟表明本文提出的方法是有效的.

 
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