The atmosphere attenuation to 650 nm light and the dot whipping caused by air turbulence were analyzed. The signal transmission waveform and communication eye diagram of the system were recorded.
分析了大气对光信号的衰减以及大气湍流造成的光斑抖动对通信的影响，记录了系统的信号传输波形和通信眼图。
The demonstration facility is designed, demonstrating the basic principle and process during the course of wireless transmission by infrared ray as instruction signal through observing the waveform.
设计一种演示装置，并通过示波器观察试验过程中各部分信号波形，达到演示红外光波作为无线传输的指令信号载体的过程和红外线遥控的基本原理。
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