waveband

IPA/ˈweɪvbænd/
IPA/ˈweɪvbænd/

waveband — 名詞

  • wavebandsingular
  • wavebandsplural

1. a continuous range of radio frequencies that broadcasters use to send out progra

1.名詞B2
釋義

波段

無線電廣播頻率範圍

a continuous range of radio frequencies that broadcasters use to send out programmes of a particular type — for example, AM radio, FM radio, or shortwave services

例句

Mrs. Okonkwo tuned her radio to the shortwave waveband to hear news from home.

Okonkwo 太太將收音機轉到短波波段，收聽家鄉新聞。

collocation: tune to + waveband

Local traffic updates and weather reports are broadcast on the FM waveband all day.

當地交通路況與天氣預報全天在 FM 波段播出。

collocation: on + waveband

常見搭配
  • AM waveband
  • FM waveband
  • shortwave waveband
  • medium waveband
  • long waveband
  • tune to a waveband
  • pick up on a waveband
  • broadcast on a waveband
同義詞
  • frequency band

    more technical; used by engineers and in official spectrum regulations

  • band

    shorter form of the same concept; can also mean a group of musicians, so context is needed

文法句型

waveband + for + noun phrase

用法筆記

Frequently paired with a prefix that indicates the frequency type, such as AM, FM, shortwave, medium-wave, or long-wave. The headword itself is countable (a waveband / two wavebands).

常見錯誤

I changed the waveband of the station.
I changed the station to a different waveband.
You do not change a station's waveband; you tune your receiver to another waveband.
This radio has a better waveband.
This radio has better reception on the shortwave waveband.
'waveband' names the frequency range, not the quality of reception.

2. any continuous section of the radio spectrum considered as a unit, regardless of

2.名詞C1
釋義

頻段

連續無線電頻率範圍

any continuous section of the radio spectrum considered as a unit, regardless of whether it is used for broadcasting, two-way communication, scientific research, or military purposes

例句

The engineer explained that each satellite service operates within its own licensed waveband.

工程師解釋，每一顆衛星服務都在其授權的頻段內運作。

collocation: operate within + waveband

International agreements divide the radio spectrum into wavebands to prevent signal interference.

國際協議將無線電頻譜劃分為不同的頻段，以防止訊號相互干擾。

常見搭配
  • licensed waveband
  • protected waveband
  • narrow waveband
  • reserved waveband
  • operate within a waveband
同義詞
  • frequency range

    interchangeable in most technical contexts; equally formal

  • spectrum segment

    more formal still; used in regulatory documents and spectrum-licensing contexts

用法筆記

This sense is the broader, more technical meaning of the word. Distinguish from sense 1 (RADIO BROADCASTING), where the focus is on what the public listens to. Sense 2 applies to any frequency allocation — including military, aviation, and scientific uses.

常見錯誤

The scientists studied a waveband of sound.
The scientists studied a waveband of radio frequencies.
'waveband' is only used for radio frequencies, not sound waves or light.

同根字

常見搭配

名詞搭配

  • AM waveband
  • FM waveband
  • shortwave waveband
  • medium waveband
  • long waveband

常用片語

  • tune to a waveband
  • switch wavebands
  • broadcast on a waveband
  • pick up on a waveband
  • reserve a waveband
  • divide into wavebands

介系詞搭配

  • on a/the waveband
  • across a waveband
  • within a waveband