The frequency response function of the gravity overload is derived.
导出并分析了具有代表性的飞机重心过载的频率响应函数。
The frequency response function includes an aerodynamic transfer function.
频率的主函数包括主动力传递函数。
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。
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。
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。
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；
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。
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。
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。
The influence of imaginary component of propellant response function on the oscillating combustion frequency of rocket engine is concisely analysed by a real example.
本文用一实例简洁、通俗地分析了推进剂响应函数的虚部对火箭发动机振荡燃烧频率的影响。
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 power spectral density function of earthquake motion is usually used for the random response analysis of engineering structures in the frequency domain.
工程结构的随机地震反应分析，常在频域中用到地震动的功率谱密度函数。
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。
Base on the principle of the parasitic effect and the system function, affects on the system frequency response from the parasitic effect are analyzed.
基于微机械陀螺仪的寄生效应产生原理，借助于陀螺仪的系统函数，分析了寄生效应对系统频率响应的影响。
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。
The frequency response of recording devices is a function of the relative speed of the recording medium past the head.
记录设备的频率响应是上述记录媒质经过磁头的相对运动速度的函数。
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。
According to the method, the relative overdamping can be expressed in a linear function of the product of the width of half peak of the response curve by the nature frequency of the geophone.
根据该方法，相对过阻尼系数能够表示成检波器响应曲线的半峰高宽度和检波器自然频率乘积的线性函数。
The residual side-lobes of the frequency response can be effectively suppressed by employing the window function technique, using Hannin.
采用窗函数技术可以有效地抑制具有坡度的同轴布喇格结构的频率响应曲线的残余旁瓣。
By which linear and nonlinear frequency response function was estimated, and nonlinear stiffness coefficient and damping coefficient of the model were optimized by least square method in this paper.
利用该方法对非线性频响函数进行估计，并利用了最小二乘法对模型的非线性刚度系数和非线性阻尼系数进行了优化。
Finally, the information process model of the low frequency UWB-SAR is given, and antenna pattern and the impulse response function of the system are discussed.
最后研究了低频uwb - SAR系统信息处理模型。利用该模型分析了天线方向图和系统的冲击响应函数。
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。
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