单词 | phasing |
释义 | phasingn. 1. a. The action of adjusting or eliminating a phase difference. Cf. phase v. 1. ΘΚΠ the world > time > relative time > simultaneity or contemporaneousness > [noun] > synchronizing synchronization1828 synchronizing1882 phasing1896 togetherhood1896 the world > matter > physics > electromagnetic radiation > electricity > electrical engineering > phase > [noun] > difference in phase > adjustment of phasing1896 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > processes > [noun] > change of phase > adjusting of phase difference phasing1896 1896 Trans. Amer. Inst. Electr. Engineers 1895 12 514 The condenser in this combination fills two very important functions, first assists in the phasing, and second prevents the lag upon the line. 1922 R. Glazebrook Dict. Appl. Physics II. 935/2 Before connecting any two polyphase transformers in parallel it is necessary to ensure that the phase rotation is correct, and this can only be done by phasing out. The term ‘phasing out’ is applied to the procedure adopted for determining the correct junction of the terminals of two or more transformers. 1960 Times 12 Jan. 15/6 Pedestrians are ignored in the phasing of traffic lights at many T-junctions. 2004 Ultrasonics 42 573 This mode might be excited by proper phasing of the two localized acoustic sources. b. The relationship between the phases of periodic phenomena having the same frequency. ΘΚΠ the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > phase > relationship between phases phasing1911 1911 Proc. Royal Soc. B. 84 317 Between these [periods] there lies a period in which the phasing of the act [sc. the rhythmic flexion of muscles] is most perfect. 1938 A. E. Greenlees Amplification & Distribution of Sound x. 154 Each loud~speaker should have one terminal marked..so that when all these are connected to one line wire and the remaining terminals connected to the other, correct phasing is assured. 1968 Radio Communication Handbk. (ed. 4) xiii. 61/1 If two such aerials are erected horizontally in the form of a V.., and if the phasing between them is correct, the two pairs of lobes will add fore and aft. 2003 Compar. Biochem. & Physiol. B. 136 861 Animals differ widely in the phasing of their daily rhythms with respect to daily environmental rhythms. c. Electronics and Music. The process of altering a sound signal from an electronic instrument, esp. an electric guitar, by introducing a phase shift into one of two identical copies of the signal and recombining them, with the result that sound of a particular frequency is cancelled out. Also: = flanging n. ΘΚΠ society > leisure > the arts > music > performing music > [noun] > electronically altering sound flanging1973 phasing1973 1973 Audio (U.S.) Dec. 54 (heading) ‘Phasing’ in tape recording. 1973 Audio (U.S.) Dec. 54 To produce the phasing, you must slow down one [tape] machine for an instant, then return it to normal speed, then slow down the other machine, and keep rocking back and forth. 1977 Sounds 9 July 26/3 A combined unit offering..a variety of phasing, flanging, pitch-changing and associated effects. 1992 V. Capel Public Addr. Syst. vii. 111 Phasing can be done quite easily by connecting an audio oscillator simultaneously to the inputs of two amplifiers. 2004 Future Music May 132/2 Phasing, a close relative of time alignment, can cause two layers to combine in such a way to actually cancel or reduce a part of the sound you were trying to highlight. 2. The action of organizing or carrying out a project, scheme, etc., gradually or in planned stages or instalments. Frequently in phasing in, phasing out. Cf. phase v. 2. ΘΚΠ the world > action or operation > advantage > usefulness > use (made of things) > [noun] > bringing into use infetching1535 reducement1592 induction1604 introduction1651 phasing in1955 the world > action or operation > harm or detriment > disadvantage > uselessness > non-use > [noun] > putting out of use > a gradual, planned elimination phase-out1951 phasing out1955 1955 Sun (Baltimore) 25 Apr. (B ed.) 8/5 The ‘phasing out’ will end the official approval for even this operation. 1964 Ann. Reg. 1963 1 Whitehall was still preoccupied with..the phasing-in of British farm subsidies into the European system. 1971 Daily Tel. 14 Aug. 13/7 The phasing of the new plants depends on the CEGB's planning timetable. 1977 Time 30 May 24/3 Carter said that he was ‘committed to the phasing-in of a national health insurance system’. 1998 Town & Country Planning 67 274/3 Policies should enable the phasing of development so that preferred sites are used first, and least preferred sites last. 1999 Independent 1 Feb. i. 6/6 British use of the familiar dots-and-dash Morse system officially ended in December 1997 and the new distress system will mean its phasing out worldwide. This entry has been updated (OED Third Edition, December 2005; most recently modified version published online March 2022). < n.1896 |
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