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.
得出了各地震台台基的脉动噪声的均方根值、观测动态范围、地噪声功率谱。
The article calculates the mean square root values of pulse noise, observational dynamic range and power spectrum of ground noise of all seismic station bases.
本文应用自适应最小二乘格型（LSL）算法估计非恒定流压力脉动的功率谱密度。
This paper uses the adaptive least squares lattice algorithm (LSL) to calculate the spectral estimation of pressure fluctuations in unsteady flow, and describes the principle of the LSL algorithm.
采用多谱勒三相流速仪，在长江干流黄陵庙水文观测断面进行脉动流速观测，获得了不同流量级、不同垂线的脉动流速资料。
Field experiments on fluctuation velocities were carried out at the section Huanglingmiao of stem stream of Yangtze River with an Acoustic Doppler Current Profile (ADCP).
本文应用谱分析理论研究了剪切湍流场中的压力脉动，包括功率谱、均方值等。
The pressure fluctuations in turbulent shear flows are investigated with the theory of spectral analysis.
在主流速度脉动能谱中，低频运动强度大于水流，而高频运动强度低于水流。
In the power spectrum of the streamwise velocity fluctuation, the power intensity at low frequencies was larger and the power intensity at high frequencies was smaller than that for water.
计算结果表明，冲击射流所形成的脉动壁压场可用正交分解进行描述，其特征谱函数随阶数的增加而迅速衰减，对谱密度函数进行低阶近似也非常有效。
The results show that the eigen spectral functions declined with the increasing of order rapidly. The reconstruction of spectral density function shows that low order approximation is very efficient.
风场模拟涉及的风参数主要包括脉动风谱和空间相关函数，对风洞中的风场参数进行了实测拟合并应用于风场模拟当中。
Wind field parameters involved in wind field simulation include mainly turbulent wind power spectrum density and spatial-correlation function, which is measured and applied to wind simulation.
系统阐述了这种方法的分析过程，其中涉及到脉动风压规格化功率谱的推导以及脉动风荷载功率谱的计算。
Relating to the deduction of wind pressure uniform spectrum and calculation of wind load spectrum, analytical progress of M. Shinozuka method is systemically discussed.
系统阐述了这种方法的分析过程，其中涉及到脉动风压规格化功率谱的推导以及脉动风荷载功率谱的计算。
Relating to the deduction of wind pressure uniform spectrum and calculation of wind load spectrum, analytical progress of M. Shinozuka method is systemically discussed.
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