The complex frequency response function of the vibrating system is obtained by means of a new method.
并用一种新方法求取了该振动系统的复合频率响应函数。
The frequency response function of power saw system reflects the dynamic characteristic of the system.
油锯系统的频率响应函数反映油锯系统的动态特性。
So now let's look at the frequency response function and discuss the different parts of this function.
那么现在我们来看一看频响函数，并讨论这个频响的不同部分。
In any event, the measured frequency response function will be affected by the window and leakage that does result.
无论如何，测得的频响函数必将受到窗函数和泄漏的影响。
The frequency response function and the power spectrum function for stationary and non-stationary inputs are obtained.
求出了频率响应函数以及输入为平稳和非平稳情况下的功率谱函数。
Firstly, by means of multiple scale method the frequency response function of weakly nonlinear vibration system is derived.
首先，用多尺度法导出弱非线性强迫激励系统的频率响应函数。
This paper gives the dynamic model of the tractor steering system and deduces the frequency response function of the system.
本文建立了拖拉机转向系的力学模型，推导出系统的频率特性。
We must remember that this frequency response function can be written for any one of the input-output combinations of interest.
我们必须记住对于任意一个感兴趣的输入输出组合，都可以写出这个频响函数。
The paper makes a theoretical analysis of the speed frequency response function excited by the tread and flange of the resilient wheel.
文中对弹性车轮踏面、轮缘激励下的速度频响函数进行了理论分析。
An accurate modal superposition method for calculating frequency response function of viscoelastically damped structures is put forward.
本文建立了粘弹阻尼结构频响函数计算的高精度模态展开法。
The tested signal on pile head is the convolution of the vibration resource and frequency response function of itself in domain of time.
实测桩顶响应信号是振源与系统频响函数的时域卷积。
The stability of multivariable nonlinear control system is discussed in connection with the generalized frequency response function matrix.
基于广义频率响应函数矩阵，讨论了多变量非线性系统的稳定性问题。
By using inverse matrix of frequency response function in this paper, the spectrum of dynamic forces acting on the set has been identified.
本文采用频响函数矩阵求逆法，辨识了立式机组动态力的幅值谱。
Frequency Response Function (FRF) matrix is used as a mathematical model between inputs and outputs in the multidimensional vibration system.
应用频响矩阵建立了多维振动系统输入输出之间的数学模型。
The most important thing to note is that the frequency response function ACTS as a filter on the input force which results in some output response.
最重要的一点要注意，频响函数作为滤波器，作用在输入激振力上，这样得到了某种输出响应。
Equivalent mathematical model of frequency response function for externally pressurized spherical gas bearing with inherent compensation was built.
建立了静压气体球轴承气膜位移-动态力频响函数的数学模型。
The methods are respectively defined as the Combined Frequency Response Function (CFRF) method and the Multiple Frequency Response Function (MFRF) method.
组合频率响应函数法(CFRF)和多重频率响应函数法(MFRF)。
On-site vibration test of the servicing rig substructure is made, and the frequency response function curve and preceding 10 modes frequency are obtained.
对现役钻机底座做了现场振动测试，得到频响函数曲线及前10阶模态频率。
The frequency response function, frequency-domain and time-domain expressions for the longitudinal vibration velocity at the pile top were obtained further.
研究了渐缩自由桩和渐扩自由桩的桩顶纵向振动速度时域曲线特征；
This paper "described the measurement of frequency response function (FRF) of this system and the average linearization method under random exciting condition."
本文介绍这种系统的频响函数测量和在随机激励下的平均线性化方法。
The small signal analysis of laser diode type all optical wavelength converter is presented using carrier depletion, and the frequency response function is given.
理论上基于载流子消耗机制，对激光器型波长转换器进行了小信号分析，给出了频率响应函数。
The severe numerical instability in complex frequency modal mass identification from frequency response function makes it difficult to identify physical parameters.
利用频响函数识别复频率模态质量存在着严重的数值计算不稳定性，给物理参数的识别造成困难。
Serving as the question for study with identification of the frequency response function of the linear system, the effects of noises for estimated accuracy are discussed.
以线性系统频率响应函数的辨识为研究课题，对系统辨识中所面临的各种干扰噪声对模型精度估计的影响进行了系统的研究。
Structure finite element model updating technology based on the frequency response function is one of the most important directions in current structure dynamics research.
基于频响函数的结构有限元模型修正技术是当前结构动力学领域的重要研究方向之一。
The frequency response function was a function of stiffness and damping when a rotor vibrated, so a proper adjustment of stiffness and damping could reduce the vibration amplitude.
转子振动时其频响函数是其刚度和阻尼的函数，调节合适的刚度和阻尼，可以抑制转子振动。
Modal test was done on a cable-stayed structure in its healthy and two damaged conditions. Curvature of the Frequency Response Function (FRF) was used to detect the location of damage.
对一拉索结构的正常状态及两种损伤状态进行了模态测试，用频响函数的曲率来进行损伤检测。
In this paper the way to determine the frequency response function as well as its application in designing the isolation mounting of the power saw system through experiments is explained.
本文阐述用实验法测定油锯系统的频率响应函数以及该法在油锯隔振设计中的应用。
Time domain dynamics response, frequency response function and root mean square value are taken to evaluate the vibration influence on the light-beam propagation performance quantitatively.
提出了将时域动态响应、频率响应函数和均方根值作为机械振动对光束传输性能影响的定量评价值。
In this paper, the contribution of high order mode shape to the frequency response function of disproportional damping structure is expressed by using low order mode shape and system matrix.
本文用低阶模态和系统矩阵表达高阶模态对非比例阻尼结构频响函数的贡献。
A concept of global frequency response function (GFRF) has been presented. The MIMO modal parameter identification modal has been established, based on the weighting sum of modal shape squares.
提出了整体频响函数的新概念(GFRF).以振型平方和的形式对全部频响函数进行加权组合，建立了多输入多输出模态参数的识别模型。
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