modulator

IPA/mˈɒdjʊlˌeɪtə/
KK[mˈɑdʒəlˌetɚ]IPA/mˈɑːdʒəlˌeɪtər/

modulator — 名詞

  • modulatorsingular
  • modulatorsplural

1. a device or circuit that changes a radio, audio, or light signal in a controlled

1.名詞C2
釋義

調變器

改變訊號以傳送資訊的裝置

a device or circuit that changes a radio, audio, or light signal in a controlled way so it can carry information or produce a special sound effect

例句

The old TV needs an RF modulator to show the game console.

這台老電視需要一個 RF 調變器，才能顯示遊戲主機的畫面。

RF modulator for sending video to a TV

Engineers tested a new optical modulator for faster data over fibre.

工程師測試了一種新的光學調變器，好讓資料能更快經由光纖傳送。

optical modulator in data transmission

同義詞
  • encoder

    broader technical term; not every encoder works by changing a carrier signal.

反義詞
  • demodulator

    the device that extracts the original information from a modulated signal.

文法句型

an RF / optical / voice modulator

plug a modulator into + device

a modulator for + signal / data / video

用法筆記

Most often names technical hardware such as an RF, optical, or voice modulator. The noun refers to the unit that changes the signal, not to the receiving equipment at the other end.

常見錯誤

❌We need a modulator to receive the signal.
✅We need a receiver to receive the signal.
💡a modulator alters or prepares a signal; it does not decode the incoming one.

2. a substance or factor that changes how strongly a body process, feeling, or syst

2.名詞C2
釋義

調節因子

改變生物或系統反應強弱的因子

a substance or factor that changes how strongly a body process, feeling, or system works, without simply switching it fully on or off

例句

Doctors use this immune modulator to calm the body's overactive response.

醫師會用這種免疫調節因子，來緩和身體過度活躍的反應。

immune modulator in medical treatment

Stress can act as a modulator of how strongly people feel pain.

壓力可以充當疼痛感受強弱的調節因子。

act as a modulator of + response

同義詞
  • regulator

    broader term for something that controls a process; modulator often suggests finer adjustment.

  • mediator

    often names something that links two processes rather than directly tuning their strength.

文法句型

an immune / pain / hormone modulator

act as a modulator of + response / mood / pain

use a modulator to + verb

用法筆記

Common in medicine, biology, and neuroscience, often after another noun such as 'immune', 'pain', or 'mood'. Unlike sense 1, this sense can refer to a drug, hormone, or outside condition rather than a piece of hardware.