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.
对大气强抖动和弱抖动模式下空间光信道衰减模型做了深入分析，并用似然检测分析了系统性能。
The model of the optical channel in strong and weak turbulences is analyzed, the system performance is studied by maximum probability detection.
总结分析了大气干扰、天气因素和平台的抖动或振动对通信的影响，提出了螺旋式扫描子空间的动态捕获、瞄准、跟踪方案。
The paper also summarizes and analyses how the atmosphere, weather and platform's sway or vibration affect the communication, presents a dynamic acquisiton, pointing and tracking scheme .
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