| 释义 |
limiter|ˈlɪmɪtə(r)|
Forms: 4–6 lim-, lymitour(e, -ytour(e, (7–9 limitour), 6 lim-, lymiter, -yter, limmeter, 7 limitor, 6– limiter.
[f. limit v. + -er1.]
1. (Also friar limiter.) A friar licensed to beg within certain limits. Obs. exc. Hist.
1377Langl. P. Pl. B. v. 138 On limitoures and listres lesynges I ymped. c1386Chaucer Wife's T. 10 The grete charitee and prayeres Of lymytours and othere hooly freres. 1516Will of R. Peke of Wakefield 4 June (MS.), To every lymyter of the iiij orders of freers—xxd. 1552Latimer Serm. (1562) 94 A limitoure of the graye fryers, in the tyme of his limitation preached manye tymes and hadde but one Sermon. 1556J. Heywood Spider & F. ix. 1 There neuer was Fryer limiter, that duckt So low, where beggyng woon him twenty cheeses. 1591Spenser M. Hubberd 85, I meane me to disguize..like a Pilgrim, or a Lymiter.
transf. or allusive.1624Bp. R. Montagu Gagg To Rdr. 2 Some of our Catholique Limitors had beene roming in the countrey and brake into my pale secretly.
2. a. One who or that which limits (in senses of the vb.).
1483Cath. Angl. 217/1 A Lymytour, limitator. 1570Levins Manip. 80/2 A Limiter, limitator. 1612Two Noble K. v. i. 30 So hoyst we The sayles, that must these vessells port even where The heavenly lymiter pleases. a1619M. Fotherby Atheom. ii. i. §5 (1622) 180 The Sunne is not that infinite limitour, which..setteth seuerall bounds, vnto all other things. 1639Ld. G. Digby Lett. conc. Relig. (1651) 27, I am sure they are the best declarers and limiters of their own [doctrines]. 1645Milton Tetrach. Wks. 1851 IV. 222 Abolishing a law so good and moral, the limiter of sin.
b. Electronics. A device whose output is restricted to a certain range of values irrespective of the size of the input.
1919R. Stanley Text-bk. Wireless Telegr. (new ed.) II. xiv. 274 To a certain extent the H.F. amplifying valves of the Marconi Co., known as the V.24 type, are limiters, since their characteristic curves are of short range. 1930H. M. Dowsett Handbk. Technical Instruction for Wireless Telegraphists (ed. 4) xx. 297 Short wave signals vary greatly in intensity due to various causes, and the use of the limiter makes the signal currents more suitable for operating relays or recording apparatus. 1962A. Nisbett Technique Sound Studio 258 Limiters are necessary in AM transmitters, and in the input to disc recorders in situations where overmodulation may occur by accident. 1972Sci. Amer. Sept. 101/3 Since the amplitude of the FM carrier is constant, limiters can be used to reduce impulse noise. |