In this paper the rapid distortion theory is summarized briefly,and the application of this theory to the description of shear-free boundary layer, wall pressure fluctuation, flow over a low obstacle, interaction between different turbulent scales and some other problems is also briefly reviewed.
本文对湍流快速畸变理论进行了简要回顾,对其在无切变边界层、过山流动、脉动壁压、湍流大小尺度之间的相互作用等方面的应用进行了简要介绍。
The rapid distortion theory is used to study the turbulent flow over sand waves;and the effect of the irrotational strain and the pre-existing shearing motion on the turbulence characters at the peak of sand wave is investigated emphatically.
运用快速畸变理论对河道中绕沙波流动进行了理论分析,重点探讨了无旋应变与持续切变效应对绕沙波流动波顶处湍流强度的影响,结果表明:在河道中绕沙波流动的外区,绕体前、后的水流湍流结构存在较大程度的关联,在用快速畸变理论研究绕沙波前、后湍动强度变化的过程中,必需同时考虑无旋应变与持续切变的影响。
Simulation of the wavefront aberration and its gradient analysis;
光束波前畸变的模拟及其相位梯度分析
The feasibility of measuring wavefront aberration in laser propulsion, which use Hartmann wavefront sensor,is analyzed.
分析了Hartmann传感器应用于激光推进中波前畸变测量的可行性,介绍了模式法波前重构原理。
Optics or diffraction is usually used for wave front error correction of high po wer solid laser facility.
小磨头数控抛光加工技术已逐渐得到广泛的应用 ,用它来实现大口径高功率固体激光装置的静态波前畸变校正提供了解决此问题的新思路。
A new parameter for evaluating waveform distortion of partial discharge signals after de-noising
一种用于评价PD信号去噪前后波形畸变的新参数
The causes and influences of the waveform distortion of the waveform distortion of an inverter with nonlinear load are analyzed.
分析了逆变器带非线性负载时波形畸变的原因和影响 ,将波形畸变分成瞬态畸变和稳态畸变 ,并针对不同畸变给出了几种不同的控制方式 ,即根据非线性负载投入瞬间的冲击电流大小 ,采用自适应调节输出电压幅值的限流方法 ,以改善瞬态畸变程度 ;采用瞬时值波形反馈、无差拍控制技术来补偿稳态畸变波形 。
Present theoretical computing method and synohronous sampling computing method of electric equilibrium parameters for waveform distortion system.
介绍了波形畸变系统电平衡参数的理论计算方法和同步采样测量方法，并对这些方法进行了深入的分析和研究。
Test method for wavefront distortion of laser rods
GB/T11297.1-1989激光棒波前畸变的测量方法
Study on tolerance of input wavefront aberration for color separation gratings
色分离光栅对输入波前畸变宽容度的研究
Effects of localized deformation on acquisition precision in inter-satellite laser communications
星间光通信中局部波前畸变对捕获精度的影响
The theoretical analysis of degenerate four-wave mixing participated by aberrated and weak laser
波前畸变的弱激光参与的简并四波混频的理论研究
The Influence of Wave-Front-Distorted Pump Pulse on the Beam Quality of OPA Front-End System of the Petawatt Laser
抽运光波前畸变对拍瓦激光器前端OPA光束质量的影响
Study on Diagnosing the Distorted Wavefront of A Laser Beam by Radial Shearing Interferometer and Controlling It by A New Method
激光光束波前畸变的径向剪切干涉诊断及其控制新方法研究
Thermal distortion analysis for conduction cooled end-pumped slab
传导冷却端面泵浦板条放大器波前畸变数值研究
Research of Laser Small-scale Distorted Wavefront Measurement and Control;
激光小尺度畸变波前检测与控制研究
Correction for wavefront distortion using high diffraction efficiency holograms
利用高衍射效率的全息图校正畸变的波前
Research of Laser Small-scale Distorted Wavefront Sensing Accuracy and Error Analysis;
激光小尺度畸变波前探测精度和误差分析研究
Correction of aberration in eyes by liquid crystal spatial light modulator
液晶空间光调制器对真实人眼畸变波前的校正
Generation of Rectangular Turbulence Phase Screens Based on Fractal Characteristics of Distorted Wavefront
基于畸变相位波前分形特征产生矩形湍流相屏
Research of Laser Small-scale Distorted Wavefront Sensing System Error Analysis and Rectification;
激光小尺度畸变波前探测误差分析及其补偿研究
A new parameter for evaluating waveform distortion of partial discharge signals after de-noising
一种用于评价PD信号去噪前后波形畸变的新参数
Now, the active filter circuit is widely adopted to repress the electric current distortion of high frequency syntonic wave.
目前抑制高次谐波电流畸变都采用有源滤波电路,并首选钽电容器作为其输出滤波电容。
Assessing Harmonic Impedance by Synchronously Layered Distortion Waves;
基于畸变波形同步分层估计谐波阻抗
The tidal bore is the front of flood tide as the water lever rises suddenly, it is the result of nonlinear-formed tidal wave under some conditions.
涌潮是水位骤然上升的涨潮波前峰，是一定条件下潮波非线性畸变的结果。
This deviation from perfect sinusoids is usually expressed in terms of harmonics distortion of the voltage and current waveforms.
这种偏离完全正弦的畸变称为电压、电流波形的谐波畸变。