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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针对红外导引头瞬时视场较小的缺点，提出了分行螺旋式定向扫描技术。

Considering that the Instantaneous Field of View (IFOV) of infrared seeker is small, a line-by-line directional spiral scan was proposed.

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