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做模態分析，可以求得頻率響應、功率譜密度（PSD）、模態坐標等信息。
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).
軌道不平順分析程序對軌檢車測得的軌道不平順數據進行処理，得到功率譜密度分佈函數。
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.
從軌道譜的功率譜密度、時間樣本幅值及對動力學性能影響的角度，對比了秦沈線軌道譜和德國軌道譜。