the density of power spectrum 功率谱密度
power spectrum density of typhoon 台风功率谱密度
Meaning: The self-correlation function and power spectrum density Function of a power-typed signal compose a FT pair.
上式表明： 功率型信号的自相关函数与其功率谱密度函数构成傅立叶变换对。
This algorithm has utilized the signal to carry on the signal characteristic that Fourier includes in the density of the power spectrum after Fourier transform.
算法利用了信号进行傅里叶变换后功率谱密度中所包含的信号特征在基带完成，并用软件实现。
We can get frequency response, power spectrum density (PSD), modal coordinates, etc. by modal analysis module of ADAMS.
利用ADAMS做模态分析，可以求得频率响应、功率谱密度(PSD)、模态坐标等信息。
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