The problem is that because location where vehicles are on the bridge is changeable,so even if random vibration as importation is stationary random process,dynamic response of vehicles is beyond the scope of stationary random process.
由于车辆在桥上的位置是不断变化的,因此,即使作为输入的随机激励是平稳随机过程,车桥的动力响应也超出平稳随机过程的范围,即质量在梁上不断的运动,使系统运动方程组成为一个时变系数的二阶微分方程组,一般只能采用逐步积分的数值方法,也可以用频域法,假定其频率响应函数在瞬间不随时间变化,近似的处理这种时变性问题。
Methods The definition of stationary random processes and joinly stationarity and the method of mathematics induction are used.
目的为了讨论联合平稳随机过程{X(t),t∈T}和{Y(t),t∈T}的导数{X(k)(t),t∈T}与{Y(l)(t),t∈T}(0≤k,l≤n)的联合平稳性。
In this paper, the state of inspection system which is exploited on integrated circuit chip pin size is analyzed by SAS software based on stationary stochastic process theory The test results show, that inspection results of the system are a stationary stochastic process with ergodicity .
测试 结果表明,整个系统的测量结果是一个具有各态历经性的平稳随机过程,因此,我们利用一段 样本值就能估计整个过程的均值和标准差,从而获得整个过程的性质。
This paper gives a conclusion of the partial derivatives of the covariance function of stationary stochastic process with respect to two independent variables and the proof of the stability of the sum of stationary stochastic process and its derivative,which was extended to the case of the second derivative.
给出平稳过程的自协方差函数对两个变元的偏导数的一个结论,证明了平稳随机过程与其导数之和的平稳性并推广到二阶导数的情形,方法简洁。
Based on the spectral representation theorem of stationary stochastic processes, in this paper, a method is propesed for Monte Carlo simulation of stationary stochastic processes by the fast Hartley transform.
由平稳随机过程谱表示定理导出了平稳随机过程蒙特卡罗模拟的一个快速Hartley变换方法。
This paper gives the research of the transformation of stationary stochastic processes passing through the sta- tionary linear dynamics system.
研究了平稳随机过程通过平稳线性动力学系统的变换,通过力学系统、电路系统几个实例的计算,揭示了确定系统输出(响应)的统计特征的一般方法,密切了平稳过程理论与实际的联系。
This paper introduces the differentiation of the stochastic processes under the meaning of mean square limit, and gives the conclusion that the arbitrary rank derivatives of stationary stochastic processes (if they exist) will still be stationary.
介绍了随机过程在均方极限意义下的可微性概念,并论述了平稳随机过程的任意阶导数(如果存在的话)仍然是平稳随机过程这一结论。
Earthquake motions are regarded as the typical non-stationary stochastic processes,and such non-stationary characteristics influence the structural response greatly.
地震动是典型的非平稳随机过程,其非平稳特性对结构响应影响极大。
The six component earthquake ground motions were modeled as nonstationary random processes including three translations and three rotations.
在 Kanai- Tajimi模型基础上 ,推出了包括 3个平动分量和 3个转动分量的地震激励加速度表达式 ,其被视为非平稳随机过程 ,并作数值仿真 。
On Joinly Stationarities of their Derivatives of Joinly Stationary Random Processes;
联合平稳随机过程导数的联合平稳性
Stationarity of Sum of Their Derivatives of Jointly Stationary Stochastic Processes;
联合平稳的平稳随机过程导数和的平稳性
The Uniform Convergence Rates of the Discrete Samples Theorems of the Stationary Stochastic Processes
关于平稳随机过程的采样定理的一致收敛速度
Certain Wider Stationary Quantum Stochastic Processes and Example in Statistical Mechanics;
一类宽平稳量子随机过程及实例分析
A simplified combination method for stationary binomial process of loads
荷载平稳二项随机过程简化组合方法
STABILITY OF CONTROLLED BRANCHING CHAINS IN RANDOM ENVIRONMENT
随机环境中受控分枝过程的稳定性(英文)
Fuzzy stable set of dynamic cooperative games based on Markov stochastic processes
基于Markov随机过程的动态合作博弈的模糊稳定集
adjoint process for stochastic network
随机网络的伴随过程
Stationary Solutions of Stochastic Partial Differential Equations and Infinite Horizon Backward Doubly Stochastic Differential Equations;
SPDE的平稳解以及无穷区间上的倒向重随机微分方程
A mixed type of precise time integration for multi-component non-stationary random seismic response analysis
多维非平稳随机地震响应分析的混合型精细时程积分
stationary gaussian markovian process
平稳高斯马尔可夫过程
second-order homogeneous nonstationary process
二阶齐次非平稳过程
Stability of the Mann Iterative Process with Random Errors for Fixed Points of Strongly-Pseudocontractive Mappings;
强伪压缩映射不动点具随机误差的MANN迭代过程的稳定性研究(英文)
Analyzing Random Responses of Systems to Evolutionary Nonstationary Rondom Excitations;
系统在演变非平稳随机激励下的随机响应分析
DYNAMIC RESPONSE ANALYSIS OF LINEAR STOCHASTIC STRUCTURES UNDER STATIONARY RANDOM EXCITATION
平稳随机激励下线性随机结构动力响应分析
NON-STATIONARY STOCHASTIC VIBRATION ANALYSIS OF FUZZY-RANDOM TRUSS SYSTEM
模糊随机桁架结构的非平稳随机振动分析
Study on Image Correction Algorithm Based on Stationary Random Field;
基于平稳随机场的影像纠正算法研究
Stationary Responses for the Generalized Stochastic Chaplygin System;
广义随机Chaplygin系统的平稳响应