谱密度级的英文

• spectrum density level

• "谱"英文翻译    table; chart; register
• "密度"英文翻译    density; thickness
• "级"英文翻译    level; rank; grade
• "谱密度" 英文翻译 :    ectral de ity; spectral density; spectraldensity; spectrum density
• "密度级" 英文翻译 :    density class; density level; density step
• "发射谱密度" 英文翻译 :    emission spectral density
• "功率谱密度" 英文翻译 :    power spectral density (psd); psd ( power spectral density ); psd power spectral density; psd，power spectrum density; spectral density
• "功谱密度" 英文翻译 :    power spectral density
• "共谱密度" 英文翻译 :    coincident spectral density
• "光谱密度" 英文翻译 :    spectral concentration; spectral decomposition; spectral density
• "光谱密度法" 英文翻译 :    power spectral density method; spectrodensitometry
• "光谱密度计" 英文翻译 :    ectrode itometer; spectral density meter; spectrodensitometer
• "光谱密度图" 英文翻译 :    spectrum-density diagram
• "互谱密度" 英文翻译 :    cross spectral density; cross-spectral density
• "交叉谱密度" 英文翻译 :    cross spectral density
• "交谱密度" 英文翻译 :    cross-spectral density
• "均方谱密度" 英文翻译 :    mean squared spectral density
• "能量谱密度" 英文翻译 :    esd，energy spectrum density
• "能谱密度" 英文翻译 :    energy spectral density; energy spectrum density; power spectral density
• "频谱密度" 英文翻译 :    spectral density; spectrum density
• "平滑谱密度" 英文翻译 :    smoothed spectral density
• "谱密度函数" 英文翻译 :    spectral density function
• "谱密度矩阵" 英文翻译 :    spectral density matrix
• "谱密度模型" 英文翻译 :    spectral-density model
• "双侧谱密度" 英文翻译 :    two-sided spectral density

• A sorting method of the helicopter noise sources is given . the temporal waveform and spectrum of the noise signature is analyzed . at last , the sound pressure spectrum density level is estimated with the experimental data taken from a specific navy helicopter
  扼要阐述了直升机噪声的产生和分类，考察了直升机信号的波形和频谱特征，并对特定的直升机噪声的声压谱密度级进行了计算。