频谱: frequency spectrum; frequenc ...密度: density; thickness频谱密度函数: spectral density function信号频谱密度: signal spectral density功率频谱密度电平: power spectral density level功率频谱密度分析: power spectral density analysis功率频谱密度函数: power spectral density function噪声功率频谱密度: noise spectral power density最大功率频谱密度: maximum spectral power density幂定律频谱密度模型: power law spectral density model谱密度: ectral de ity; spectral density; spectraldensity; spectrum density发射谱密度: emission spectral density功率谱密度: power spectral density (psd); psd ( power spectral density ); psd power spectral density; psd，power spectrum density; spectral density功谱密度: power spectral density共谱密度: coincident spectral density光谱密度: spectral concentration; spectral decomposition; spectral density光谱密度法: power spectral density method; spectrodensitometry光谱密度计: ectrode itometer; spectral density meter; spectrodensitometer光谱密度图: spectrum-density diagram互谱密度: cross spectral density; cross-spectral density交叉谱密度: cross spectral density交谱密度: cross-spectral density均方谱密度: mean squared spectral density能量谱密度: esd，energy spectrum density能谱密度: energy spectral density; energy spectrum density; power spectral density
