V2EX feedline

Feedline

Definition / 定义

feedline(馈线):把信号或电能从发射机/接收机(或功放、天线调谐器等设备)传送到天线或从天线传回设备的传输线。常见形式包括同轴电缆双线(梯形线/平行线)波导等。(在射频与天线语境中最常用)

Pronunciation / 发音(IPA)

/fid.lan/

Examples / 例句

The feedline connects the radio to the antenna.
馈线把无线电设备连接到天线。

Because the feedline was too long and poorly matched, the signal loss increased and the transmitter overheated.
由于馈线过长且匹配不良,信号损耗增加,发射机还出现了过热。

Etymology / 词源

feed(“供给、输送”)+ line(“线路、线缆”)构成的复合词,直译为“输送的线路”。在无线电与微波工程中引申为“把射频能量送到负载(通常是天线)的传输线”,中文常译作馈线

Related Words / 相关词汇

Literary Works / 文献与作品中的用例

  • The ARRL Antenna Book(美国业余无线电协会《天线手册》)
  • Antenna Theory: Analysis and Design by Constantine A. Balanis(Balanis《天线理论:分析与设计》)
  • Microwave Engineering by David M. Pozar(Pozar《微波工程》)
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