描述一种激光大气传输通信系统。
主要研究了在近亚毫米波段的大气传输特性。
The specific property of atmospheric transmission at near submillimeter band is studied.
简单介绍了大气的有关知识和辐射的大气传输。
The knowledge of atmosphere and atmospheric propagation of radiation is simply introduced.
在该理论指导下，进行了CO2激光大气传输实验。
The atmospheric transmittance experiments of CO2 laser were completed under the theory above.
热晕是高能激光大气传输的最重要非线性效应之一。
Thermal blooming is one of the most important nonlinear effects on high energy laser propagation in the atmosphere.
此外还给出了光波水平大气传输时的数值计算结果。
Furthermore, the numerical results for the light beam horizontal atmospheric propagation are presented.
将影响激光大气传输轨迹的大气折射率，取为伽马型分布。
The distribution of the atmospheric refractive indexes influencing the transmission locus of the laser in atmosphere is assumed to be the gamma mode.
本文介绍了一个激光大气传输特性数据库系统的开发过程。
This paper describes the development of a DataBase system for character of Atmospheric transmission of laser.
对传统的激光大气传输湍流效应的数值计算方法进行了改进。
The traditional method of numerical simulations for laser beam propagation in the turbulent atmosphere is modified.
大气光学参数包括了影响激光大气传输的多种大气光学特性参数。
The atmospheric optical parameters include many atmospheric characteristic parameters which affect the laser propagation in the atmosphere.
同时通过数值计算和实验研究了一些主要波段激光的大气传输特性。
And the transmission characteristic of the chief band laser wavelength is studies base on experiment and numeric calculation.
对高能激光大气传输非线性问题的数值模拟进行了计算方法的研究。
Algorithm research on numerical simulation of nonlinear problem for high energy laser propagation in the atmosphere has been curried out.
并详细论述了建立大气传输模型、场景建模及其红外辐射建模的方法。
The methods to make atmospheric transfer model, scene model and infrared radiation model are discussed.
文中就利用剪切干涉仪测量激光大气传输相位畸变的问题进行了探讨。
We have analytically investigated the beam quality by assuming the phase aberrations as Gaussian random variables.
针对激光武器中的一些关键问题，研究了海上激光低仰角大气传输的特性。
Aiming at the key problems of laser weapon, laser atmospheric propagation property in low elevation on the sea is researched.
通过理论分析和数值模拟，对聚焦平台光束大气传输的焦移问题进行了研究。
Through theoretic analysis and numerical simulation, the focal shift of a focused flat beam propagating in turbulent atmosphere is studied.
采用数值模拟的方法，研究了强激光在大气传输过程中产生的稳态热晕效应。
The influences of epaxial light intensity and energy distribution in far field caused by steady-state thermal blooming with wind are calculated and analysed.
本文的工作是神经网络方法在建立电波大气传输效应预报模型应用中的有益尝试。
It is a useful try to construct the radio wave propagation predication model by the neural network.
大气相干长度是研究大气湍流强度、激光大气传输以及自适应光学的重要参量之一。
Atmospheric coherence length is one of important parameters of atmospheric turbulence, atmospheric propagation of laser and phase adjustment of adaptive optics.
这类激光在激光冷却、定向能量传输、材料处理和大气传输等方面有广泛的应用前景。
These lasers have potential applications in laser cooling, directional energy transmission, material processing, and atmospheric propagation and so on.
利用数值模拟方法讨论了发射系统遮拦比对均强聚焦光束湍流大气传输光斑扩展的影响。
In this paper, numerical method was used to quantitatively calculate the limited uniform-intensity focused beam spreading induced by atmospheric turbulence.
激光束通过有湍流的大气传输时，其强度、相位和方向都会受到扰动而出现相应的随机变化。
When laser beam transmit through air, the intention, phase and direction will be changed random for the disturb of over-fall.
对于高重复率和脉宽较窄的强激光在大气传输中，由于分子的储存效应，受激喇曼散射较严重。
In the atmosphere, on propagation of High-Intensity lasers of high pulse repetition rate and narrow pulsewidth, the SRS will be serious because of molecular memory effects.
对于高重复率和脉宽较窄的强激光在大气传输中，由于分子的储存效应，受激喇曼散射较严重。
In the atmosphere, on propagation of High-Intensity lasers of high pulse repetition rate and narrow pulsewidth, the SRS will be serious because of molecular memory eff...
结果表明，对于均强聚焦光束湍流大气传输，在弱湍流效应条件下，光斑扩展受遮拦比影响较大；
The results show that the obscuring ratio has obvious influence on the beam spreading in weak turbulence.
应用高功率微波大气传输机理和等离子体物理理论，提出了一种新概念天线等离子体有源透镜天线。
Applying the mechanics of the propagation of high power microwave in atmosphere and the theory of plasma physics, a sort of new conception antenna-active lens antenna based on plasma is put forward.
该系统集成了船体辐射场、排气烟羽辐射场、海天背景辐射、大气传输计算和红外导引头等功能模块。
It is integrated with the functional modules for hull radiation, stack plume radiation, sea-sky background radiation, atmospheric transmission and infrared seeker.
激光波长处于大气传输窗口，对大气变化不敏感；工作物质快速流动，不存在热透镜效应和破坏阈值；
The laser work media flows fast, and it has no the thermal lens effect and damage threshold.
叙述了利用SBS相位共轭技术实现补偿激光大气传输的一般过程，并对系统的几个相关参数进行了讨论。
The process of compensating laser propagating in atmosphere realized by SBS phase conjugation and the parameters of system is discussed.
基于对红光激光束大气传输特性的分析，讨论了激光束传输过程中背景光干扰、大气衰减和湍流效应的影响。
Based on analysis on transmission property of red laser beam, impact from background light, attenuation and scintillation are discussed.
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