The cushioning design problems of a non - linear system under random excitations are studied by means of the average energy method.
利用平均能量法对非线性系统在随机激励下的缓冲设计问题进行了分析研究。
A new method, the sampling interval stat. analysis method, was set up to analyze the non-uniformly sampling signal of the wide-sense stationary random processes.
提出了一种通用性强、适用于广义平稳随机过程非均匀采样信号谱分析的新方法——采样间隔统计分析法。
A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
提出了考虑轨道高低不平顺时进行车桥耦合系统垂向非平稳随机振动分析的新方法。
In this paper, a new method of modeling and controlling random curve is presented for simulating random phenomena of non fractal character.
提出一类形状具有较好可控性和可预见性的随机曲线生成方法，用于描述不具有分形特征的随机现象。
Because its physical meaning is clear and its calculation is simple the method is an effective way for dealing with random vibration of non...
此方法物理意义明确，计算量小，是处理这类非线性系统随机振动行之有效的方法。
For dynamic reliability analysis of stochastic structures under non-stationary random excitation, a new dynamic reliability assessment method is presented based on the point estimation.
针对随机结构在非平稳随机激励下的动力可靠性分析问题，提出了基于点估计法的随机结构动力可靠性分析方法。
In a word, this text USES the non-linear analytical method, has overcome the traditional idea in the stock market, namely: Determinism view and talking about the limitation of the view at random.
总之，本文运用非线性分析方法，克服了股票市场中的传统观念，即：决定论观点和随机论观点的局限性。
Because its physical meaning is clear and its calculation is simple the method is an effective way for dealing with random vibration of non-linea...
此方法物理意义明确，计算量小，是处理这类非线性系统随机振动行之有效的方法。
The paper presents a set of fuzzy method to solve the effect of non-random subjective indefinite factors on the reliability of the earthquake-proof structures.
本文对主观随机不确定因素对结构抗震可靠性的影响采用了一套模糊处理方法得到了考虑。
Then a new iteration method is developed for generation of random accelerograms non-stationary both in amplitude and frequency which are compatible with target.
提出一种以渐进谱为目标谱的生成幅值和频率非平稳地震加速度时程的迭代方法。
The correlation method and FFT method of the power spectrum estimation could not completely reflect the concept of the power spectrum of the non-stationary random signals because of data truncation.
对于非平稳随机信号的功率谱分析，采用自相关函数傅里叶变换和直接傅里叶变换分析时，由于存在数据截断，二者从概念上都不能很好地反映随机信号的功率谱。
The paper expounds the non - uniformity characteristics of rock material. According to this characteristics, the random assignment method for value of the material parameters is put forward.
阐述了岩石材料的非匀质性特性，根据这种特性提出了对材料参数进行随机赋值方法。
This article established the covariance matrix method of non-stationary random vibration.
本文提出求解非平稳随机振动问题的一种新方法——协方差矩阵法。
Methods With the method of cluster stratified random sampling, a questionnaire survey was conducted in medical and non-medical higher-educated school in Jilin city.
方法采用整群分层随机抽样的方法，对吉林市某医学院校及非医学高校的在校大学生进行问卷调查。
A new global optimization reliability method, knowledge-based clustered partitioning method (KCP) for reliability problems involving correlated non-normal random variables, is proposed.
提出了分析相关非正态变量可靠度问题一种新的全局优化方法——认知聚类分区方法。
Method: Using simple random sampling survey and non-structured interviews.
方法：简单随机抽样问卷调查和非结构式访谈。
Because its physical meaning is clear and its calculation is simple the method is an effective way for dealing with random vibration of non-linear multi-degree of freedom systems.
此方法物理意义明确，计算量小，是处理这类非线性系统随机振动行之有效的方法。
Because its physical meaning is clear and its calculation is simple the method is an effective way for dealing with random vibration of non-linear multi-degree of freedom systems.
此方法物理意义明确，计算量小，是处理这类非线性系统随机振动行之有效的方法。
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