短語詞組短語static power spectrum density 靜態(tài)功率譜Power Spectrum Density MASK 功率譜密度模板noise power spectrum density 噪聲功率譜密度Power Spectrum Density Function 功率譜密度函數(shù)power spectrum density chart 功率譜密度圖power spectrum density distribution 功率譜密度分布evolutionary power spectrum density 演變功率譜密度mean power spectrum density 平均功率譜密度instantaneous power spectrum density 瞬時(shí)功率譜密度 返回 power spectrum density