互功率谱密度的英文

cross-spectral density

• 互:    each other; mutual
• 功率谱:    power spectrum
• 密度:    density; thickness

例句与用法

1. In order to obtain these data , we must at first calculate apsds ( auto - power spectral density ) and cpsds ( cross - power spectral density ) of the three signals in the system
   而想要得到这些核心参数,必须先分析估计出系统中三路信号的自功率谱密度和两两之间的互功率谱密度。
2. Studies have been made on arithmetic realization of apsd estimate in a high - speed detect system , since the way of calculating cpsd is only a little different from that of calculating apsd
   鉴于互功率谱密度估计算法只需将自功率谱密度估计算法中的自协方差函数换成互协方差函数,本文仅研究和讨论了自功率谱密度估计算法及其实现。
3. In the paper , firstly , present the formulation and application of proper orthogonal decomposition of covariance and cross - power spectral density matrices are presented in the analysis of wind load effects on structures . then the dynamic response of linear structures subjected to random loads is analyzed by a technique called double modal transformation ( dmt ) that is expressed through a double series whose terms depend on structural and loading modes
   本论文中首先通过求相关矩阵和互功率谱密度矩阵特征值问题给出了本征正交分解的公式，并利用pod与结构模态相结合的双模态方法来分析结构的动态响应，主要讨论了截断高阶荷载模态对风致响应的影响。
4. 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。
5. The various functions inside the virtual spectrum analyzer introduced in the paper is time domain wave analysis , fft transfer , ifft transfer , cross analysis , and so on , which are all described in function controls . finally , this paper introduce the assemble of intelligent controls - oriented virtual instrument . and use classical signals and industrial practices to demostrate the accurate of virtual spectrum analyzer
   本文介绍的智能控件化频谱分析仪所具备的功能，有信号的时域分析、 fft变换以及ifft反变换、信号的微积分运算、信号的频谱分析、信号自功率谱密度函数计算、信号互功率谱密度函数计算、频率响应函数计算和相干函数计算，都是集成在功能控件里面的。