waveband

/ˈweɪvbænd/ (bre, ipa) · /ˈweɪvbænd/ (ame, ipa)

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

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。

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.