查询词典 turbulence

After the analytic model is set up and the error rate is derived, the system error performances of uncoded and Turbo coded DPIM are simulated and analyzed under weak turbulence channel, and the system error performances under Gaussian channel are simulated for comparison.

在建立分析模型和推导差错率的基础上，在弱湍流信道条件下仿真分析了Turbo码编码前后的系统差错性能，同时与高斯信道条件下的系统差错性能进行了比较。

In experimental studies, the phase-Doppler particle anemometer was used to measure the gas turbulence with and without particles in an axisymmetric sudden expansion duct.

在实验研究方面，用PDPA对轴对称突扩两相流动中颗粒产生的气相湍流变动进行了测量。

The particle velocity and turbulence of dust were measured using a Laser Doppler Anemometer .

粉尘粒子速度及紊流度是采用激光多谱勒测速仪进行测量及计算的。

The experimental setup for the turbulent jets in crossflow is designed, and the hot wire anemometry IFA 300 is used to measure the velocity field and the turbulent kinetic energy, and the computational result matches experimental measurement reasonably well. The experimental result is very important in the analysis of the flow field, deduction of the equation of the jet trajectory, check of the turbulence model and validation of the numerical method.

首先，建立了用于测量横向紊动射流的实验台，并利用IFA 300型热膜风速仪系统测量了多种工况下的流场，并将速度、湍动能结果与数值计算结果进行了比较，实验结果与数值模拟结果吻合较好，从而为分析流场特性、确定射流轨迹、比较湍流模型以及验证数值计算方法提供了依据。

By increasing advance angle of ignition, adopting turbulence combustion chamber with adequate compression ratio, the serious after burning situation can be alleviated greatly.

通过增大点火提前角，采用气流扰动强烈的湍流型燃烧室，并适当增加压缩比，可以有效地改善这一情况。

For non-Kolmogorov turbulence, the anisoplanatiam error, the angular correlation function of Zernike polynomials, the residual phase structure function and the long-exposure OTF after low-order modes correction are analyzed.

分析了非科尔莫戈罗夫湍流情况下，自适应光学系统低阶模式校正时的非等晕误差、泽尼克系数角相关函数、残余相位结构函数以及长曝光光学传递函数，并定义了一个新变量模式校正因子，用来有效评价目标非等晕误差对低阶模式校正自适应光学系统补偿效果的影响。

Based on strongly structure turbulence theory, a new method to analyze the global asymptotic stability of the equilibrium point of nonlinear circuit is advanced.

提出一种新的分析非线性电路平衡点全局渐近稳定的方法。

Main interests are atmospherics optics, measuring technology and measuring instrument of atmospheric optical turbulence.

主要专业方向：大气湍流光学测量方法的研究和仪器的研制，探索先进的大气湍流光电子学测量方法，进行大气光学关键技术发展研究。

The turbulence integral length scale was obtained by the spectra-fitting method and autocorrelation coefficient integration respectively.

用谱拟合法和自相关系数积分法求出了湍流积分尺度。

The invention concerns a burner comprising a premix designed to produce a flammable air-fuel mixture, said burner including a vortex generator, wherein are provided two complementary burner shells forming a passage body, having each a first half-cone burner shell section (1) and delimiting together a turbulence chamber, widening in the axis in the form of a cone, as well as tangential air intake slots in the axial longitudinal direction of the cone.

描述了一种用于产生可点燃的燃料-空气混合物的预混燃烧器，该预混燃烧器具有涡流发生器，该涡流发生器设置了至少两个对穿流本体进行补充的燃烧器壳，所述燃烧器壳分别具有构造为分锥形状的第一燃烧器壳区段(1)并且共同限定着在轴向上按锥形方式扩展的涡流室并且限制着所述沿轴向的锥体纵向伸展方向相互相切的进气缝隙。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。