功率谱密度函数 meaning in Chinese
power spectral density function
power spectrum density function
Examples
- Analysis of evolutionary power spectra density function of ground motion induced by blasting seismic
爆破地震地面运动的演变功率谱密度函数分析 - Research on wind is the precondition of wind response , then the section plane of static wind , intensity of onflow , psd function and correlativity of dynamic wind are involved in
对风的研究是进行风振响应研究的前提,风的基本特征包括平均风速剖面、湍流强度、脉动风功率谱密度函数、脉动风的空间相关性以及极端风速的概率统计特性。 - On the basis of the theory about wheel / rail noise , the paper analyses the mechanism of wheel / rail noise and the relationship between rolling noise and vibration of railway track components , and describes a way to reduce the vibration energy by enhancing the elasticity of track
运用轨道部件的振动加速功率谱密度函数与轮轨噪声功率谱密度之间的关系，分析了轨道结构弹性对降噪的作用。 - To solve it , the differential equation set is transformed by fourier transform and the dynamic differential equation in the form of matrix is educed . the calculation formulas of frequency response function of vehicle vibrating system , acceleration power spectrum density function are put forward
用分析力学法建立整车动力学模型，推导出以矩阵形式表示的运动微分方程，并通过傅氏变换给出汽车动力学系统的频率响应函数、加速度功率谱密度函数的计算公式。 - In the first session the fans vibration on - line monitoring system is realized with vc language , also compile auto power spectrum density function , cross power spectrum density function , autocorrelation function and cross correlation function etc spectral analysis function to carry through simple offline fault diagnosis
首先用稳定性强、扩展性好的vc + +语言开发了通风机振动在线监测系统，并编写了自功率谱密度函数、互功率谱密度函数、自相关函数和互相关函数等频谱分析函数来进行简单的离线故障诊断。