单词 | traveling-wave tube |
释义 | traveling-wave tube [`trav·ǝl·iŋ ¦wāv ´tüb] ELECTRONICS An electron tube in which a stream of electrons interacts continuously or repeatedly with a guided electromagnetic wave moving substantially in synchronism with it, in such a way that there is a net transfer of energy from the stream to the wave; the tube is used as an amplifier or oscillator at frequencies in the microwave region. |
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