demodulatev.

Brit.

/ˌdiːˈmɒdjᵿleɪt/,

/ˌdiːˈmɒdʒᵿleɪt/, U.S.

/diˈmɑdʒᵿˌleɪt/,

/diˈmɑdjᵿˌleɪt/

Origin: Formed within English, by derivation. Etymons: de- prefix, modulate v.

Etymology: < de- prefix + modulate v. (compare modulate v. 5), after demodulation n. Compare slightly earlier demodulated adj. and demodulating adj.

Radio and Electronics.

1. transitive. To subject to demodulation; to separate a modulating signal from (a modulated wave or carrier).

ΘΚΠ

the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [verb (transitive)] > demodulate

demodulate1921

1921 Electr. World 16 Apr. 902/3 The carrier waves are modulated by the heart-beat variations and de-modulated and amplified at the receiving apparatus.

1932 Jrnl. Inst. Electr. Engineers 70 351/1 Since the latter has an approximately bi-quadratic law, it would rectify and de-modulate a high-frequency signal.

1977 Sci. Amer. Feb. 63/2 The earth station amplifies and demodulates the television carrier.

2003 J. Eargle Loudspeaker Handbk. (ed. 2) xvi. 408 The nonlinearity of the air will in effect demodulate the carrier signal.

2. transitive. To recover (a modulating signal) from a modulated wave or carrier; to detect by demodulation. Usually with from.

ΚΠ

1926 U.S. Patent 1,608,551 1/2 The radio receiver comprises means for demodulating the speech or voice signals..from the modulated carrier current.

1970 J. Earl How to choose Tuners & Amplifiers ii. 47 The left and right audio signals are demodulated alternately from the two sides of the ‘modulation envelope’.

1983 E. Trundle Beginner's Guide Videocassette Recorders iv. 55 The basic idea is to modulate the signal on to an FM carrier for application to the recording head, and demodulate it to baseband during the replay process.

2006 J. Polson & B. A. Fette in B. A. Fette Cognitive Radio Technol. viii. 273 The 50 Hz navigation message is demodulated from each satellite.

This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022).

单词	demodulate
释义	demodulatev. Brit. /ˌdiːˈmɒdjᵿleɪt/, /ˌdiːˈmɒdʒᵿleɪt/, U.S. /diˈmɑdʒᵿˌleɪt/, /diˈmɑdjᵿˌleɪt/ Origin: Formed within English, by derivation. Etymons: de- prefix, modulate v. Etymology: < de- prefix + modulate v. (compare modulate v. 5), after demodulation n. Compare slightly earlier demodulated adj. and demodulating adj. Radio and Electronics. 1. transitive. To subject to demodulation; to separate a modulating signal from (a modulated wave or carrier). ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [verb (transitive)] > demodulate demodulate1921 1921 Electr. World 16 Apr. 902/3 The carrier waves are modulated by the heart-beat variations and de-modulated and amplified at the receiving apparatus. 1932 Jrnl. Inst. Electr. Engineers 70 351/1 Since the latter has an approximately bi-quadratic law, it would rectify and de-modulate a high-frequency signal. 1977 Sci. Amer. Feb. 63/2 The earth station amplifies and demodulates the television carrier. 2003 J. Eargle Loudspeaker Handbk. (ed. 2) xvi. 408 The nonlinearity of the air will in effect demodulate the carrier signal. 2. transitive. To recover (a modulating signal) from a modulated wave or carrier; to detect by demodulation. Usually with from. ΚΠ 1926 U.S. Patent 1,608,551 1/2 The radio receiver comprises means for demodulating the speech or voice signals..from the modulated carrier current. 1970 J. Earl How to choose Tuners & Amplifiers ii. 47 The left and right audio signals are demodulated alternately from the two sides of the ‘modulation envelope’. 1983 E. Trundle Beginner's Guide Videocassette Recorders iv. 55 The basic idea is to modulate the signal on to an FM carrier for application to the recording head, and demodulate it to baseband during the replay process. 2006 J. Polson & B. A. Fette in B. A. Fette Cognitive Radio Technol. viii. 273 The 50 Hz navigation message is demodulated from each satellite. This entry has been updated (OED Third Edition, March 2014; most recently modified version published online March 2022). < v.1921
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