【作者】 孙宁；

【导师】 姜会林； 付跃刚；

【作者基本信息】 长春理工大学 ， 光学工程， 2008， 硕士

【摘要】 机载激光通信是空间通信发展的重要方向,亦是实现未来超大容量通信的主要途径。飞机的运动使空气在飞机及通信端机窗口表面出形成一比较薄的湍流附面层,这将导致传输光束的位相畸变,影响光束质量,从而影响捕获、跟踪系统及通信系统的性能。气动光学对激光光束质量的影响与机载窗口形状,飞机的飞行速度、飞行高度、光端机的窗口尺寸等参数有关。而在航空激光通信中,气动光学效应对提高速率、提高跟踪转度、降低误码率都存在一定影响。本文回顾了气动光学效应的发展现状,理论分析了大气环境对机载激光通信的影响,继而阐述了气动光学效应的产生、原理、分类和工程计算方法。首先根据空气动力学原理和经验公式完成了数学模型,进而根据机载激光通信实际情况利用MATLAB软件进行计算机仿真,最后本文还进行了气动光学效应风洞校正实验方案的设计。更多还原

【Abstract】 The Airborne laser communication is an important space communications development direction and also for the future of large capacity communications major way. The Airborne movement in aircraft and optical window surface formed a relatively thin turbulent boundary layer. Aero-optical effects lead to the transmission beam phase distortion effects beam quality, thus affecting capture, tracking systems and communication system performance. Impact of Airborne laser beam quality is relation to the airborne window shape, the aircraft’s flight speed, altitude, optic transmission equipment parameters, such as the size of the window. But in the aviation laser communication, aero-optical effect on data-rates, tracking, bit- error rate there affected to some extent.This article reviews the development of aero-optical effects, theoretical analysis of the impact of atmospheric environment on the Airborne Laser Communication, and then the aero-optical effects on the emergence of principle, classification and engineering calculation. First under aerodynamic principles and empirical formula completed the mathematical model and then under the Airborne Laser Communication actual situation using MATLAB software computer simulation, the final paper also conducted wind tunnel aero-optical effects testing Laboratory program design.更多还原