carrier current telegraph 中文意思是什麼
carrier current telegraph
解釋
載波電報-
The forming of signals, such as those employed in telegraph transmission, by the interruption of a direct current or modulation of a carrier between discrete values of some characteristics
斷開或接通直流電路或者在具有某些特點的離散值之間對載波進行調制而形成信號的過程和方法。如電報傳輸中使用的就是鍵控法。 -
Carrier current wave telegraph
載波式電報
分享友人