The distortion of turbulence field and the resulting noise spectrum are calculated for the case o...
结果表明，紊流场的收缩畸变对干扰噪声有显著影响，并对此给出了合理的解释。
The measured flow velocities by means of PDA in the XFD-12 flotation cell were used to calculate turbulence energy spectrum of mixing region, flotation region and froth region.
经论文中试验、测定和计算己查明：在药剂条件适`fl{的条件下，浮选槽中矿浆紊流状态是影响泡沫征化不良的胜要原因。
The power spectrum of the kinetic Alfven turbulence is obtained from the nonlinear equations of the kinetic Alfven wave propagating along the magnetic field using dimensional analysis.
由动力Alfven波沿磁场方向传播的扰动非线性方程，用量纲分析法导出太阳风中Alfven湍流谱。
The spectrum characteristics of turbulence such as period of fluctuation, frequncy, and amplitude of oscillation were discussed by using the method of spectral analysis of turbulence in this paper.
本文应用湍流谱分析的方法研究了林带背风面湍涡运动的周期、频率和振幅等谱特征。
On this basis and aiming at non Kolmogorov turbulence, a new method for determining the optimal control bandwidth of the system is proposed according to the practical measured atmospheric turbulence wavefront disturbance power spectrum.
在此基础上，针对非Kolmogorov湍流情况，提出一种根据实际测量的大气湍流波前扰动功率谱来确定系统最优控制带宽的新方法。
Three factors are the dimension of laser speckle resulted by atmospheric turbulence, space sampling frequency based on sampling theory and the loss of the frequency spectrum function of the array detector.
对第二问题讨论了对其有影响的三个方面：大气湍流引起激光碎斑尺寸，由采样定理决定的空间采样率，由阵列探测器的频谱函数引起的损失。
The frequency bands of turbulence noise and initial shock wave noise are separated by using frequency band energy spectrum based on wavelet coefficient.
采用基于小波系数的频带能量谱分析将冲击波噪声和湍流噪声能量集中的频带区分开来。
Application of quantum statistics to the energy spectrum of turbulence
试用量子统计方法求湍流能谱分布式
The results for the gusty spectrum and correlation function show that all statistical quantities of atmospheric turbulence are related to height.
阵风谱和自相关函数的计算结果表明，所有大气湍流统计量都与高度有关。
The G-tilt power spectrum and the residual variance of tilted tracking as functions of the outer scale of turbulence are deduced theoretically.
从G倾斜功率谱和倾斜跟踪残余误差两个方面分析了大气湍流外尺度对倾斜跟踪系统跟踪精度的影响。
Formulae of energy spectrum density of large wavenumber range in homogeneous isotropic turbulence are given here.
对均匀各向同性湍流提出一个能谱密度的计算公式。
Scalar spectrum in the equilibrium range of homogeneous and isotropic turbulence
均匀各向同性湍流平衡区的标量谱
The analytic expression for the wandering angular variance of the speckle formed by multiple beams focused on the target in the horizontal homogeneous atmosphere is given when the atmospheric turbulence is described with Kolmogorov spectrum.
给出了用Kolmogorov谱描述大气湍流时，在水平均匀大气中多束照明光在目标上形成光斑的漂移角方差的解析表达式。
In this paper, an electrostatic model for transitional domain of ESF is derived from plasma two-fluid equations, then, its spectrum equation is obtained according to the weak coupling approximation formalism of plasma turbulence.
本文提出了研究Transition区谱分布的静电模型，并按等离子体弱耦强湍理论对其重正化得到了谱方程。
Scalar variance spectrum in enstrophy Cascade range of 2-D turbulence
涡度拟能传输惯性区二维湍流标量场方差谱
It was found that energy distribution of wind speeds spectra used in high-frequency domain affect the buffeting effects, the buffeting response value is reduced with the increase of turbulence integral scale when the horizontal and vertical wind velocity spectrum with spectra Von Karman spectrum are used.
结果发现，常用风速谱的在高频域的能量分布直接影响抖振的响应，当水平向风速谱和竖向风速谱采用VonKarman谱时，抖振响应值随着湍流积分尺度的增大而减小。
A preliminary spectrum analysis on turbulence in leeside of windbreaks
林带背风面湍流谱特征的初步分析
Buffeting responses of structures are excited by buffeting forces, which are determined by the aerodynamic admittance function (AAF) of structures and power spectrum density of turbulence.
结构的抖振响应由结构上的抖振力决定，而结构上的抖振力又由结构的气动导纳函数和阵风谱决定。
The two turbulence components and the buffeting forces caused were measured directly, and six aerodynamic admittances of the flat plate were calculated using the method of cross power spectrum.
然后通过直接测量脉动风速的2个分量及由2个分量引起平板上的抖振力，采用互功率谱法计算得出了平板在不同风速、不同攻角下的6个气动导纳修正系数；
The results show that the power spectrum magnitude of signals is mainly fastened within 100 Hz, both range and turbulence of signals are augmented while rotating speed of engine is raised.
结果表明，信号的频谱分量主要集中在100Hz以下。