atmospheric turbulence

In this paper four simulation methods used to simulate the optical wavefront distorted by atmospheric turbulence are provided, including Karhunen-Loeve function based on Zernike polynomials, wavelets transform, Fourier transform and ARMA method.

介绍了模拟自适应光学系统中受大气湍流影响的光学波前的四种方法，即基于Zernike多项式的K-L函数展开法、小波法、Fourier法以及ARMA法。

互联网摘选

Background light and atmospheric turbulence affecting the choice of space-to-ground laser communications links and communication time period program

影响空地激光通信链路通信时段选择方案的背景光及大气湍流效应因素

互联网摘选

The realization of this method provides a new means for the measurement of atmospheric turbulence in different direction and different altitude, and also a technical base of the laser guide star for adaptive optics.

这种测量方法的实现，为测量空间不同方位、不同距离的大气湍流提供了一种新的手段。

互联网摘选

The atmospheric turbulence is a kind of complicated disturbance, which influences flight quality and flight safety.

大气紊流是复杂的扰动形式, 影响飞行品质、飞行安全.

互联网摘选

By utilizing the phase screen theory, the atmospheric turbulence is simulated. The method to simulate the Hartmann-Shack ( H-S) wavefront sensor is discussed.

利用相位屏（PS）方法通过软件模拟大气湍流，进而研究了自适应光学（AO）系统中哈特曼-夏克（H-S）波前传感器的计算机模拟技术。

互联网摘选

Effect of Atmospheric Turbulence on Image Ground-Resolution of Space-Based Remote Sensing System

大气湍流对天基遥感系统地面分辨率的影响

互联网摘选

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。

互联网摘选

As early as 1915, G. I. Taylor had made astute observations on the structure of atmospheric turbulence.

早在1915年, G. I.Taylor就对大气湍流的结构作了巧妙的观测.

互联网摘选

Statistical Characteristics of Atmospheric Turbulence in Different Underlying Surface Conditions

不同下垫面湍流统计特征研究

互联网摘选

Environmental Impact Assessment, Air Quality Modeling, Atmospheric Turbulence, Air Pollution Simulating and Other Wind Engineering Simulation with Wind Tunnel.

环境影响评价, 空气质量模式, 大气湍流, 空气污染模拟及其它风工程风洞试验.

网络文摘精选

Laser Scintillation Statistics Caused by Atmospheric Turbulence and Terrain Scattering

地物散射和大气湍流导致的激光闪烁统计

互联网摘选

Rotor Noise Due to Ingestion of Atmospheric Turbulence in Varied Flight Status

不同飞行状态下施翼与大气湍流的干扰噪声

互联网摘选

By using mutual coherence function, the characteristics of second-order statistics of the pulse-wave which transmits through the atmospheric turbulence have been studied, including the coherence time and coherence bandwidth.

利用互相干函数，研究了脉冲波穿过大气湍流传播的二阶统计特性，包括相干时间和相干带宽等。

互联网摘选

The Influence of Atmospheric Turbulence and Thermal Blooming on the Laser Beam Quality in the Far Field

大气湍流和热晕对远场光束质量的影响

互联网摘选

Firstly , the transmission characteristic on laser atmospheric turbulence is analyzed theoretically in this thesis.

论文头后闭于激光反在湍流大气外的传输特征入行实际剖析.

互联网摘选

The equivalent deterministic function of the dryden's spectra of atmospheric turbulence and its application to the aircraft response problem

Dryden大气紊流频谱的等价确定性函数及其在飞机响应问题中的应用

互联网摘选

We study the statistics of scintillation at the airborne receiver for space earth space link by analysed the modulatory mechanism of atmospheric turbulence and terrain scattering on propagating laser beam.

通过分析大气湍流和地物散射对传输激光束的调制机理，运用双随机统计理论研究了空－地－空传输路径空载探测器接收到的光闪烁统计问题。

互联网摘选

This paper deals with the problems of the optimal control of the airplane landing in presence of atmospheric turbulence with application of the theory and me-thods of random optimal control.

论述了应用随机最优控制理论的基本原理和方法，解决飞机在大气紊流中着陆的控制问题。

互联网摘选

Studies on process of the thermal turbulence in the atmospheric convective boundary layer

大气对流边界层中热力湍流过程的研究

互联网摘选

Apply the maximum entropy spectral method to estimate the atmospheric turbulence spectral

用最大熵谱法估计大气湍流谱

互联网摘选

Atmospheric turbulence and attenuation play an important role in laser's transmission.

大气湍流与大气消光会给激光传输带来较大的影响.

互联网摘选

Dispersion of uncontrolled missile in atmospheric turbulence flied based on the covariance analysis technique

大气紊流场中空间弹道启控点散布的协方差分析方法

互联网摘选

A research of atmospheric stability classification scheme and the characteristics of atmospheric turbulence variation in the gobi desert

戈壁荒漠上大气稳定度分类方法探讨和大气湍流变化特征

互联网摘选

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。

互联网摘选

Wind profiler radar is a clear sky detection radar and its principle of is the use of atmospheric turbulence on the scattering of electromagnetic waves to achieve the detection of atmospheric wind field and other types of physical quantities.

风廓线雷达本身属于晴空探测雷达中的一种，其原理是利用大气湍流对电磁波的散射作用从而实现对大气风场等各类物理量进行探测的先进仪器。

互联网摘选