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modulated 音标拼音: [m'ɔdʒjuletɪd] [m'ɔdʒuletɪd] 受调 受调 modulated调变 modulated adj 1: changed or adjusted in pitch, tone, or volume [ ant: { unmodulated}] 2: altered in volume as well as tone or pitchmodulated \ modulated\ adj. ( Electronics) 1. Having either amplitude, intensity, frequency, or phase altered at intervals to represent information to be transmitted; -- of the carrier wave of a radio signal transmitted from one device to another for the purpose of conveying information. Opposite of { unmodulated}. [ Narrower terms: { frequency modulated}; { amplitude modulated}] [ WordNet 1. 5] 2. altered in volume as well as tone or pitch. [ WordNet 1. 5]
Modulate \ Mod" u* late\, v. t. [ imp. & p. p. { Modulated}; p. pr. & vb. n. { Modulating}.] [ L. modulatus, p. p. of modulari to measure, to modulate, fr. modulus a small measure, meter, melody, dim. of modus. See { Mode}.] 1. To form, as sound, to a certain key, or to a certain portion. [ 1913 Webster] 2. To vary or inflect in a natural, customary, or musical manner; as, the organs of speech modulate the voice in reading or speaking. [ 1913 Webster] Could any person so modulate her voice as to deceive so many? -- Broome. [ 1913 Webster] 3. ( Electronics) To alter the amplitude, frequency, phase, or intensity of ( the carrier wave of a radio signal) at intervals, so as to represent information to be conveyed by the signal; -- a technique used to convey information by means of radio waves transmitted by one electronic device and received by another. [ WordNet 1. 5]
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