power spectrum density

常见例句

We can get frequency response, power spectrum density(PSD), modal coordinates, etc. by modal analysis module of ADAMS.
利用ADAMS做模态分析，可以求得频率响应、功率谱密度（PSD）、模态坐标等信息。
The program for rail irregularity analysis processes the track irregularity data measured by track inspection car to obtain the distribution function of power spectrum density(PSD).
轨道不平顺分析程序对轨检车测得的轨道不平顺数据进行处理，得到功率谱密度分布函数。
The track spectra of Qinhuandao-Shenyang(QS) passenger railway line and German railways were compared in terms of power spectrum density(PSD), amplitude of time domain samples and dynamic performance.
从轨道谱的功率谱密度、时间样本幅值及对动力学性能影响的角度，对比了秦沈线轨道谱和德国轨道谱。