A radiofrequencyband or cable segment providing a single path for transmitting electrical signals.
供单一线路传播电子信号的一段广播频率或部份电缆。
2
In the platform, the short wave signal is digitalized in the radiofrequencyband and converted into the analytical baseband signal.
在这个平台上对短波信号射频数字化，然后进行数字变频，获得宽带基带解析信号。
3
Short wave is radiofrequencyband earliest utilized by human being, and short wave communication is one modern communication method with a long history.