A new method is presented in this paper for the control of multi-shakers in random vibration tests.
为适应多振动台试验控制的需求，提出了一种新的多点随机振动实验控制方法。
This paper may serve as the basis of the general theory of dynamic fuzzy random response analysis (including fuzzy random vibration).
本文的理论为进一步建立动态模糊随机响应分析(包括模糊随机振动)的一般理论奠定了基础。
This paper discusses two new applications of vibration techniques in reliability engineering: random vibration stress screening and vibration fault diagnosis.
本文讨论振动技术在可靠性工程中的两项最新应用，即随机振动应力筛选和振动故障诊断。
Based on the pseudo-excitation method and the finite element method, a new random vibration method is developed for predicting buffeting internal forces of long-span Bridges in the frequency domain.
基于虚拟激励法和有限元法，在频域建立了一种新的桥梁抖振内力响应分析的随机振动方法。
The means of realization for overloading random vibration test was studied.
研究了过载随机振动试验的实现手段。
A new and simple method is presented for random vibration fatigue life prediction.
提出了一种随机振动疲劳寿命预计的简便数据处理方法。
The random vibration characteristic of the flexible model is simulated by using PSD method.
用功率谱分析方法分析了在路面激励下柔性模型的振动特性。
The paper presents two common programs of optimization for data processing in random vibration.
本文给出随机振动数据处理中的两个通用优化程序，可用于识别结构的模态参数。
A method of modal parameter identification using datas of random vibration tests is introduced.
文章介绍了利用随机振动的试验数据进行模态参数辨识的方法。
The fracture surface is rather rough in sinusoidal vibration, while is smooth in random vibration.
正弦振动断口非常粗糙，而随机振动断口比较平滑。
This paper presents some results in random vibration analysis by state space method in time domian.
本文用状态空间方法给出随机振动在时域分析中的一些研究成果。
Power spectral density is an effective tool to evaluate random vibration in circulation environment.
功率谱密度是评价流通环境过程中随机振动的有效工具。
The instantaneous power spectrum of nonstationary random vibration signals is discussed in this paper.
本文研究了非平稳随机振动信号的瞬时功率谱。
The random vibration analysis of stochastic antenna structures under wind excitation is studied in this paper.
研究随机天线结构的风激随机振动响应问题。
The realization of calibration accelerometer system with random vibration excitation is introduced in this paper.
介绍了随机振动校准加速度计系统的实现。
The weighted equivalent linearization technique is an effective approximation for nonlinear random vibration analysis.
加权等价线性化方法是研究非线性随机振动的一种有效近似方法。
However, it is well know that the random vibration analysis of vehicle-bridge coupling system is a very difficult problem.
而对车辆-桥梁这种复杂的耦合系统进行随机分析，历来被认为是一件非常困难的工作。
A frequency domain method for predicting the fatigue life of notched specimens under random vibration loading is presented.
提出了一个考虑应力集中和疲劳极限影响的缺口件频域随机振动疲劳寿命估算方法。
Fatigue life of random vibration can be calculated by the fatigue life of sinusoidal vibration under first natural frequency.
可以通过一阶固有频率下正弦振动试验试件寿命得到随机振动下试件的寿命。
The random vibration method for the analysis of large parabolic antenna structure response to wind load is proposed in this paper.
本文提出了大型抛物面天线结构风振响应分析的随机振动方法。
By random vibration theory, the effects of dam height and foundation stiffness of gravity dam on its seismic response are studied.
应用随机振动理论，研究了坝高和坝基刚度对重力坝地震响应的影响规律。
The main source causing the vibration of the attached building is found by cross correlation function analyses of random vibration.
采用随机振动相关分析的方法确定了引起尾水平台振动的主要原因。
Temperature circulation and random vibration are the most usual and the most effective screening stress of Environment stress screening.
温度循环和随机振动是环境应力筛选最常用、最有效的筛选应力。
It is found that the system is subjected to the low-frequency excitation and occurs random vibration in the non-linear complex-mode form.
揭示了系统所受的是低频激励，以非线性复模态的形式作随机振动。
Based on discrete random vibration theory, recursive square equations to calculate the mean and standard deviation of response are developed.
在此基础上采用随机振动的离散分析理论，推导出结构响应均值和方差的递推式。
A spectral combination rule is proposed based on the theory of random vibration of structures for the need of aseismic design of Bridges, etc.
基于平稳随机振动理论，推导了一般阻尼结构体系反应谱组合方法，以满足大跨度桥梁等结构抗震设计的需要。
By considering the geometrical nonlinearity, a new method for the nonlinear random vibration of a free spanning submarine pipeline is presented.
考虑海底悬跨管道的几何非线性特征，建立了悬跨管道非线性随机振动响应分析方法。
Along with the increase in the capacity of steam turbine-generator unit, the amplitude of random vibration of the unit will increase remarkably.
机组容量的增大会使发生在汽轮发电机组上的随机振动幅值显著增大。
The probability density function of partial strain loading of product is defined in accordance with the relevant theory of random vibration test.
根据随机振动试验的有关理论，确定产品局部应变载荷的概率密度函数。
The probability density function of partial strain loading of product is defined in accordance with the relevant theory of random vibration test.
根据随机振动试验的有关理论，确定产品局部应变载荷的概率密度函数。
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