大气湍流对激光通信系统的影响。
Effect of atmospheric turbulence on laser communication system.
大气湍流对激光通信系统的影响。
Effect of the atmospheric turbulence on laser communication system.
驾驶员预告说前方有大气湍流。
大气湍流会进一步扭曲云。
度是由大气湍流所引起的象的闪烁反射。
Seeing is the scintillation of image caused by turbulence in the atmosphere.
山谷城市地区的大气湍流结构研究至今报道很少。
There are very few reports on the spectral characteristics of atmospheric turbulence in an urban area of complex terrain.
结果还指出了不同特性的气团具不同的大气湍流特征。
The results also show that the different air masses have different turbulent characteristics.
大气湍流平流作用对不同模式的大气温度有一定的影响。
The turbulence advection has a certain extent impact on the temperature of different modes.
结果表明，大气湍流引起的角误差与仰角、距离等因素有关。
It can be concluded from the result that angular errors caused by atmospheric turbulence relate to altitute angle, propagating distance, etc.
假设大气湍流为弱起伏湍流，用高斯噪声模拟了大气湍流的影响。
The atmosphere turbulence was seen as weak fluctuation turbulence, and Gaussian noise was used to simulate influence of atmosphere turbulence on transmission of laser beam.
通过考虑大气湍流的影响，对单光子捕获概率的表达式进行了修正。
Atmospheric turbulence is considered and the expressions of single - photon acquisition probability are modified.
首先，给出了包含大气湍流内，外尺度效应的折射率功率谱密度函数。
Firstly, the power spectral density function of refractive index is given including the effects of inner and outer scale of the turbulence.
自适应光学技术是缓解大气激光通信中大气湍流影响的有效途径之一。
Adaptive optics technology is an effective way to alleviate the effect of turbulence on atmospheric optical communication.
张量方法；部分相干光；部分偏振光；光谱变化；传输特性；大气湍流。
Tensor method; Partially coherent beam; Partially polarized beam; Spectral properties; Propagation properties; Turbulent atmosphere.
提示：大气湍流会导致恒星的形象闪烁不定，或者亮度不均，也比行星的更容易变色。
Hint: atmospheric turbulence causes the image of the star to scintillate or vary in brightness and color more readily than the planet.
本文报告了用自适应光学技术实时补偿大气湍流的激光发射初步实验结果。
In this paper, the initial experimental results of laser beam transmission with adaptive optics technique for compensating atmospheric turbulence is reported.
针对光无线通信的特点，探讨了大气湍流和通信平台抖动对激光传输的影响。
The effect of atmospheric turbulence and vibration of the FSO platform on signal tracking system is discussed.
到达角起伏和大气闪烁是在研究大气湍流对激光传输影响中的两个重要效应。
Arrival-of-angle fluctuation and atmospheric scintillation are two important effects in the research of laser propagate in atmospheric turbulence.
大气湍流的强度越大，自适应光学系统的截止频率越高，横向风的影响也越大。
When intensity of the atmospheric turbulence becomes stronger, or the cut off spatial frequency of the adaptive optics system becomes higher, the influence of transverse wind becomes stronger.
大气湍流是由于大气温度、压强的随机变化引起大气折射率随机改变而产生的。
Atmospheric turbulence occurs with the variation of refraction index of atmosphere caused by random variation of atmospheric temperature and pressure.
大气湍流引起的光强闪烁会严重影响大气激光通信系统的性能，使误码率增加。
But because of the influence of atmosphere, the scintillation caused by the atmosphere turbulence influences performance characteristics (bit error ratio) of the communication of system seriously.
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。
Environmental impact assessment, air quality modeling, atmospheric turbulence, air pollution simulating and other wind engineering simulation with wind tunnel.
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.
本文讨论了大气湍流引起的强度起伏和相位起伏对激光雷达跟踪系统测角精度的影响。
In this peper, it is discussed about the laser radar's angular tracking errors caused by atmospheric turbulence which results in intensity fluctuation and phase fluctuation.
大气湍流中运动目标跟踪是一个重要的研究课题，在军事、非军事领域有着广泛的应用。
Moving objects tracking in atmosphere turbulence is an important research task, and has broad applications in both military and unmilitary field.
激光在大气湍流中长距离近水平传输时，闪烁加强，限制了常规自适应光学的校正能力。
Scintillation increases when laser propagates long distance near horizontally in the atmosphere, which limits the ability of conventional adaptive optical system.
平均速度剖面，湍流度剖面，积分尺度和风谱是反映大气湍流边界层流动的四个最基本的因素。
Mean velocity profile, turbulence intensity profile, integral scale and wind spectra are the most fundamental characteristics that describe the atmospheric turbulent boundary layer flow.
针对自由空间光通信系统，分析了大气色散、大气湍流以及光学系统对光脉冲信号展宽的影响。
The factors which result in pulse stretch in free-space optical communication are analyzed, including atmospheric dispersion, atmospheric turbulence influence and optical system influence.
由于大气湍流等引起的光学畸变和光学系统本身的限制，使得获取的目标图像出现模糊和降质。
Because of optical distortion induced by atmosphere turbulence and limitation of optical devices, acquired images of space object are blurred and degraded.
大气湍流引起的相位噪声会严重地影响系统的性能，而自适应光学补偿可使问题得到很好的解决。
System performance is influenced seriously by the phase disturbance caused by atmospheric turbulence and the problem may be solved by using the adaptive optics compensation.
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