1) nonstationary stochastic
非平稳激励
1.
Four layer BP networks is constructed to evaluate the response of mechanical system excited by nonstationary stochastic loads.
利用ＢＰ人工神经网络进行非平稳激励条件下机械系统动态响应评判指标值与系统设计参数之间函数的逼近，采用收敛效率较高的学习率自适应调整算法，利用少数几次的方程求解结果进行网络训练，便可得到高效的响应评估映射，较多地减少了动态优化中评判值的计算规模。
2) non-stationary random excitation
非平稳随机激励
1.
Modal identification to non-stationary random excitation based on wavelet transform and co-integration theory;
非平稳随机激励下结构模态识别的小波协整方法(英文)
2.
Method of modal identification based on wavelet transform in LTI system under non-stationary random excitation;
非平稳随机激励下线性系统模态识别的小波方法
3.
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。
3) steady excitation
平稳激励
4) Stationary random excitation
平稳随机激励
1.
Considering the randomness of structural physical parameters,the computational expressions of the mean value,variance and variation coefficient of the mean square value of structural displacement and stress responses under stationary random excitation are developed.
考虑结构物理参数的随机性 ,导出了结构在平稳随机激励下位移响应均方值和应力响应均方值的均值、方差和变异系数的计算表达式。
2.
A method of calculating dynamic reliability of stochastic truss structures under stationary random excitation is discussed in this paper.
研究了随机桁架结构在平稳随机激励下的动力可靠度求解方法。
5) stationary Gaussion process
平稳高斯随机激励
6) steady-state excitation
稳态激励
补充资料：非想非非想处天
1.佛教语。即三界中无色界第四天。此天没有欲望与物质﹐仅有微妙的思想。
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参考词条