V2EX emitter

Emitter

释义 Definition

emitter发射器;发射体;发射源。指用来“发出”某种东西(如光、电子、信号、辐射、气味等)的装置或物体;在电子学中也特指晶体管的发射极。(另有较少见用法指“发布者/散布者”。)

发音 Pronunciation (IPA)

/mtr/

例句 Examples

The infrared emitter sends a signal to the sensor.
红外发射器向传感器发送信号。

In a bipolar transistor, the emitter injects charge carriers into the base, enabling amplification.
在双极型晶体管中,发射极将载流子注入基极,从而实现放大。

词源 Etymology

来自拉丁语 emittere(“放出、送出”),由 **e-**(向外)+ mittere(发送、投递)构成。英语动词 emit(发出、排放)加上表示“……的人/物”的后缀 -er,形成 emitter(发出者/发射器)。

相关词 Related Words

文学与著作 Literary Works

  • The Art of Electronics(Horowitz & Hill)常见于对电路与器件(如晶体管“emitter”端)的讲解。
  • The Feynman Lectures on Physics(Richard P. Feynman 等)在辐射、光与物质相互作用等章节中会出现“emitter/emit”等相关术语。
  • Introduction to Electrodynamics(David J. Griffiths)讨论辐射源、场与波时常用“emitter/emit”。
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