在辨识实际系统时，非平稳噪声扰动是较多见的。
The systems disturbed by nonstationary noise are often encountered in the practical identification.
系统可以分析平稳信号和非平稳信号，实现了实时地在时间域、频率域内了解机组运行状态的功能。
Both stationary and non-stationary signals are suitable to be analyzed by the system. The running state of generator set can be real-time observed in both time domain and domain.
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。
A new method for a vertical non-stationary random vibration analysis of vehicle-bridge systems subjected to track irregularity excitations is proposed.
本文分别从平稳的实际变量系统和非平稳的名义变量系统两个角度来考察出口贸易对中国经济增长的影响。
This Paper discusses the impact of export trade on China's economic growth by analyzing a stationary real variable system and a non-stationary nominal variable system separately.
针对陀螺稳定平台系统中光纤陀螺信号噪声的非平稳性特点，分析并讨论了光纤陀螺输出信号模型及常用陀螺信号滤波方法的优缺点。
Aiming at the non-stationary character of signal noise of fiber optic gyro (FOG) in the stabilized platform, the signal model of FOG and some methods of noise reduction are analyzed and discussed.
本文指出自校正控制中广泛采用的CARMA模型会导致控制系统对确定性扰动和非平稳随机扰动缺乏鲁棒性；
The CARMA model generally assumed in self-tuning control frequently leads to the controlled systems lacking robustness to deterministic and non-stationary stochastic disturbances.
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.
非平稳随机激励的机械系统动态优化设计对于使承受随机激励荷载的系统具备优良的性能有着特殊的意义。
The dynamical optimization design of mechanical system exited by nonstationary stochastic loads is very important for the mechanical system to have a fine performance during working.
基于动力系统模型的局部投影非线性降噪算法，对混沌信号和一大类非平稳信号具有明显的降噪效果。
The algorithm of local projective nonlinear noise reduction based on nonlinear dynamic system is more effective for noise reduction of chaotic signal and non-stationary signals.
在介绍小波包分解原理的基础上，对试验测得的单盘单跨转子系统的油膜振荡非平稳信号用小波包分解方法进行了研究。
On the basis of wavelet packet decomposition technique introduced firstly, the measured unstable oil-film oscillations of single-disc and single-span rotor system were investigated.
因此，扩频系统在面对宽带非平稳干扰时，抑制效果十分有限。
Therefore, spectrum spread systems lose efficiency when dealing with wide band interference.
本文提出了一种在非零均值非平稳高斯激励下获得非线性多自由度系统响应的等效线性化方法。
An equivalent linearization method for obtaining the response of nonlinear multi-degree-of-freedom dynamic systems to nonstationary gaussian excitation with nonzero mean is presented.
针对数控机床机械系统的非线性和振动信号的非平稳特性，引入局域波分析方法。
Then, Local Wave method is introduced in consideration of the non-stationarity characteristic of the vibrating signals from NC machines.
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。
Nonstationary random vibration of vehicle systems with uniform variable speed is discussed in this paper.
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.
因此，有效地抑制这种时间非平稳和空间非平均的杂波干扰是雷达系统有效完成地面目标和低空飞行目标检测必须解决的首要问题。
The key to the settlement of the question of effective detection of ground and low air targets lies in adaptive of effective clutter suppression in airborne Radar.
第二部分结合自然科学基金资助课题“非平稳多源激励随机响应”，对复杂结构多点随机地震响应问题进行了系统的研究。
In the second part, the stationary and non-stationary random response analyses of structures subjected to multiple seismic excitations are investigated.
在单自由度非线性系统的工作的基础上，讨论了多自由度非线性系统对非平稳随机风激励的响应。
On the basis of works (1) of single-degree-of freedom nonlinear systems, we discuss the response of nonlinear systems with multi-degree-of freedom to nonstationary random wind-excitation.
对车辆系统变速行驶所引起的非平稳随机振动进行了研究。
Solution of Nonstationary Random Vibration of Linear Vehicle Systems with Variable Driving Speed by Mode Method;
本文给出了一种计算非线性系统在非白噪声激励下非平稳响应的方法。
Rectifying current and efficiency of a non-Gaussian noise calculated using the Monte Carlo method;
本文给出了一种计算非线性系统在非白噪声激励下非平稳响应的方法。
Rectifying current and efficiency of a non-Gaussian noise calculated using the Monte Carlo method;
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