解决了过去碘的发射信号随放置时间的增加而变小的问题。

The problem that the intensity of iodine decreases with the increase of time was solved.

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红外发射程序的关键是定时时间到时调用中断程序来产生载波信号，对按键信号和载波信号进行调制。

The key of the infrared sending program was calling the interrupt subroutine to produce the carrier wave and modulate it with the key signal.

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然而，在Q -轨道技术不使用信号强度来测量发射器和接收器或飞行如gps时间之间的距离。

However, the Q-track technology does not use signal strength to measure the distance between transmitter and receiver or time of flight like GPS.

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