英语词汇spectral density function怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	spectral density function
释义	spectral density function 简明释义 [数] 谱密度函数 [数] 频谱密度函数网络释义 1 ?频谱密度函数 F（jω）称为f（t）的频谱密度函数(spectral density function)，简称频谱，是一个连续谱，而f（t）称为F（jω）的原函数(original function)。短语 1 power spectral density function 物功率谱密度函数 2 cross-spectral density function 物交叉谱密度函数 3 Auto-power spectral density function 自功率谱密度函数双语例句 1 The matrix of power spectral density function of fluctuating wind load is established first. 首先建立了脉动风荷载的功率谱密度函数矩阵。 2 The random rail roughness samples are yielded using random numerical method and power spectral density function. 采用随机数值模拟方法和功率谱密度函数生成随机轨道粗糙度。 3 The semi-analytical solution for evaluating ESR from spectral density function of wide-band random loading is presented. 提出了依据宽带随机谱功率密度函数求解等效应力幅的半解析公式。
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