蜂窝密封、梳齿密封和光滑密封的对比实验表明，密封间隙气流压力脉动谱图为离散谱。
The contrast tests of smooth seals, labyrinth and honeycomb seals have demonstrated the seal gas clearance pulsation spectrum is a discrete one.
指出如果能拟合出脉动风压谱和相干函数的精确公式，该方法在计算效率和计算精度方面均有较大的优势。
If accurate fitting formulas of spectrum and coherent function of the fluctuating wind pressure can be obtained, this method possesses great advantage in computing efficiency and accuracy.
首先建立了脉动风荷载的功率谱密度函数矩阵。
The matrix of power spectral density function of fluctuating wind load is established first.
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