... spectral flux density 光谱光通量密度 spectral power density 谱能密度 ; 光谱功率密度 spectral dye density 光谱染色密度 ...
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能谱密度测井 spectral density log ; SDL
补偿能谱密度测井 compensated spectral density log
能量谱密度 energy spectrum density ; EnergySpectralDensity ; power spectral density ; PSD
能谱密度测井仪 spectral density tool ; sity tool
能谱密度 energy spectral density ; power spectral densities
能谱密度函数 energy spectrum density function
位移能谱密度 displacement power spectral density
加速度能谱密度 acceleration power spectral density
根据海浪波能谱，计算了舰船摇荡运动的功率谱密度和舰船的随机摇荡运动。
The power spectral density of ship's motion is calculated based on ocean wave energy spectrum and the movement spectrums of the ship's random motion are calculated and created.
结果表明，-U中心的存在使激发谱“能隙”内出现很小值的态密度。
Results show that a small density of states due to the -U centers exists in the region of "energy gap".
因此采用能反映时频非平稳特性的时变谱密度(即局部谱密度)来描述地震地面运动是非常必要的。
Consequently, it is necessary to describe earthquake ground motion with local spectral density, which is time-dependent and can reflect the non-stationary characteristics.
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