脑电信号是非平稳的随机信号，其中包含了大量的生理和疾病信息，对于医生判断脑部是否有器质性的病变具有重要作用。
The signal of brain activity is a non-stationary random signal including lots of physiology and disease information, which is of important action for doctors to judge pathological changes in brain.
应用虚拟激励法与伽辽金法相结合，分析弹性圆拱在非平稳水平随机地震作用下的随机响应问题。
The nonstationary random response of elastic circular arch under horizontal seismic excitation was studied by the method combining the pseudo-excitation algorithm with Galerkin algorithm.
这样，大大地简化了在一大类统计特性缓慢变化的非平稳随机载荷作用下的结构的寿命与可靠性估计问题。
Thus, the problem of estimating of the reliability of structures under a big class of nonstationary random loadings with slowly varying statistics can be simplified significantly.
本文还提出了非线性多自由度系统在非平稳随机激励和确定性外力的共同作用下，响应分析的等价线性化方法。
An equivalent linearization method is proposed to the case of the nonlinear multi-degree-of-freedom systems with combined excitations of nonstationary processes and deterministic forces.
本文探讨非平稳随机动载荷作用下的拖拉机传动系统的安全性问题。
Safety of the tractor transmission excited by non-stationary random dynamic load is explored.
以南京长江越江隧道初步设计方案（沉管段）为例，计算了其在高斯平稳随机过程地震动作用下的动力反应均方根值和纵向抗震动力可靠度。
The Nanjing Changjiang Tunnel is used as an example to compute the square-mean-root responses and the longitudinal aseismic reliabilities under stationary random earthquake loads.
以南京长江越江隧道初步设计方案（沉管段）为例，计算了其在高斯平稳随机过程地震动作用下的动力反应均方根值和纵向抗震动力可靠度。
The Nanjing Changjiang Tunnel is used as an example to compute the square-mean-root responses and the longitudinal aseismic reliabilities under stationary random earthquake loads.
应用推荐