你的硬币和电池就是非常简单的无线电发射机，这台发射机虽不能传输很远，但如果你对莫尔斯电码略知一二，你就可以用这个装置进行联络。
Your coin and battery are a very simple radio transmitter. This radio will not transmit very far. However, if you know a little of Morse code, you could communicate with this device.
利用计算机实现短波信道传输的莫尔斯信号的自动检测和识别就可以减轻相关人员的劳动负担，改善工作环境。
Realizing short Morse automatic detection and recognition by computer can lighten relevant people's burden and improve their work environment.
目前对莫尔斯信号的译码器的研究都是针对单一信号源，信息传到PC机以后才能实现网络化传输。
Now the study of Morse signal decode is aimed at single signal source. The information can be transmitted in networks only after it is sent to PC.
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