Spectrum analysis for vortex signal processing was discussed on the basis of simulating and analyzing the effect of sampling in non complete periods on spectrum arithmetic.
在仿真分析非整周期采样对谱分析法影响的基础上,对基于谱分析的实际涡街流量信号处理方法进行了有益地探讨。
The propeller blades are calculated by a vortex lattice method, while the pod including its strut by a boundary element method for non-lifting bodies.
螺旋桨采用升力面理论涡格法、吊舱采用面元法分析计算,二者的相互干扰通过叠代计算来处理。
A wind turbine aerodynamics simulation module based on non-linear vortex-line theory is tested in the numerical aspect in this paper.
对基于非线性涡流线原理的风力机空气动力学模型进行了数值试验。
The results, compared with non vortex flow, are that effect of vortex flow on forced heat transfer is obvious.
实验表明,涡旋流动有明显的强化传热作用。
The non-equilibrium phase transitions of vortex matter in type II superconductor are studied within three-dimension anisotropic XY model by resistively-shunted junction(RSJ) dynamics.
利用三维各向异性XY模型和电阻分流结动力学,研究了较强钉扎势下第二类层状超导体涡旋系统的非平衡态相变。
Lifting surface method and non-linear vortex lattice method were used for the calculation of propeller and rudder with additional thrust fins respectively.
对螺旋桨与舵附推力鳍分别采用升力面法和非线性涡格法计算。
The solitary wave theory of the weakly nonlinear, non-axisymmetric disturbances is used to model the spiral vortex breakdown.
本文使用弱非线性、非轴对称扰功波的孤立波模型模拟螺旋型涡破裂。
For example, a non-geostrophic vortex in wind field on the 375 MB level can result in a high with the warm center in the troposphere and the cold center in the stratosphere.
例如375毫巴上单纯非地转风的流场的反气旋涡旋,适应后可建立起对流层暖性、平流层是冷性的高压系统。
The method of correcting the non linear instrument coefficient in an integrated intelligent 2 wire vortex flow transmitter is stated.
提出了一体化智能二线制涡街流量变送器对仪表系数的非线性进行校正的方法。
The SV-pumps are equipped with Vortex impellers, undoubtedly the best non-clog impellers ever invented for the handling of mud, raw sewage, viscous liquids, rags, wood chips and other solids.
泵配有旋涡叶轮,是最好的无堵塞叶轮,用于进行泥浆,未经处理的污水,粘稠液体,破布,木屑和其他固体。
The detecting element adopts the non-contacting current vortex sensors in the system. The data collecting of circular error is equiped with the high speed acquisition card.
提出了一种圆度误差测量数据采集系统,该系统采用非接触电涡流传感器作为圆度误差数据的检测元件,采用高速数据采集卡采集圆度误差数据。
The experiment results show that using non-smooth blades can change the exit streamwise vortex structures. The exit flow fields tend to well-distributed. The overall blade losses are reduced.
实验结果表明,采用非光滑叶片改变了叶栅出口旋涡结构及流动分布,使叶栅出口的流场趋于均匀,叶片可以随更大的负荷。
The genesis of cold pool in moving-out Southwest Vortex, north-trough with south -vortex, self-organizing, and non-organizing local system types results in a high momentum difference in the low-level.
在西南涡移出型、北槽南涡型、自组织型、非组织局地类型中,冷池的形成导致出现了低层的高动量偏差;
The genesis of cold pool in moving-out Southwest Vortex, north-trough with south -vortex, self-organizing, and non-organizing local system types results in a high momentum difference in the low-level.
在西南涡移出型、北槽南涡型、自组织型、非组织局地类型中,冷池的形成导致出现了低层的高动量偏差;
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