power spectrum density

常見例句

We can get frequency response, power spectrum density(PSD), modal coordinates, etc. by modal analysis module of ADAMS.
利用ADAMS做模態(tài)分析，可以求得頻率響應、功率譜密度（PSD）、模態(tài)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?qū)墮z車測得的軌道不平順數(shù)據(jù)進行処理，得到功率譜密度分佈函數(shù)。
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。