Modulate



GRE Barron

解释

GRE 红宝书

• v. 调整 ( 音的强弱) ; 变调
• ［英］ v. 调整 ( 音的强弱) ( to regulate by or adjust to)
• ［记］ mod ( 方式) +ulate -> 改变方式 -> 调整
• ［例］ Some people are able to modulate their voices according to the size of the room in which they speak.

Webster Collegiate

verb (-lated; -lating)

• Etymology: Latin modulatus, past participle of modulari to play, sing, from modulus small measure, rhythm, diminutive of modus measure — more at mete
• Date: 1615
• transitive verb
  • 1. to tune to a key or pitch
  • 2. to adjust to or keep in proper measure or proportion ; temper
  • 3. to vary the amplitude, frequency, or phase of (a carrier wave or a light wave) for the transmission of information (as by radio); also to vary the velocity of electrons in an electron beam
• intransitive verb
  • 1. to play or sing with modulation
  • 2. to pass from one musical key into another by means of intermediary chords or notes that have some relation to both keys
  • 3. to pass gradually from one state to another
• ? modulator noun
• ? modulatory adjective

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