amplitude density spectrum

基本解释

Besides amplitude, the power spectrum density intensity of shaft-frequency electric field also shows markedly difference from each other in three directions.
船模軸頻電場三分量除在幅值上有很大差異外，功率譜密度強度也有顯著差異。
Based on radar clutter distribution, the radar clutter model is analysed for amplitude probability density distribution and power spectrum density distribution.
從雷達襍波的分佈特性出發，分析了襍波的解析模型，闡述了雷達襍波幅度的概率密度分佈及其功率譜密度分佈。
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。