| 释义 |
resolver|rɪˈzɒlvə(r)|
[f. resolve v. + -er1.]
†1. A resolvent substance. Also with of. Obs.
c1400Lanfranc's Cirurg. 6 Cap. ij. of resolueres.
1632tr. Bruel's Praxis Med. 92 Heere strong resolvers are requisite..because the Impostume cannot by other meanes be resolued. 1663Boyle Usef. Exp. Nat. Philos. ii. v. xviii. 276 Opium..proves sometimes a great resolver, and commonly a great Sudorifick. 1756Burke Subl. & B. iv. xxi, Water..is found when not cold to be a great resolver of spasms.
2. One who, or that which, answers a question, solves a doubt or difficulty, etc.
1609[Bp. W. Barlow] Answ. Nameless Cath. 27 Hee is a sound Resoluer. 1683E. Hooker in Pordage's Mystic Div. 88 A better Resolver thereof in all cases England never saw. a1715Burnet Own Time (1766) II. 116 It was said, that the serving an end was a good resolver of all cases of conscience. 1775Chron. in Ann. Reg. 82/2 A woman applied to a resolver of lawful questions..to be satisfied in relation to some future events.
3. One who makes a resolve; one who supports a resolution.
1749G. Lavington Enthus. Meth. & Papists (1752) 18 Though from human Infirmity the Resolver himself has sometimes forgot his vow. 1839Fraser's Mag. XIX. 757 All these addressers and resolvers were taken in. 1894Woolley in Voice (U.S.) 13 Sept., It improves a resolution to have the resolver mean it.
4. Electr. An electromechanical device which transforms the representation of an electric vector from polar to Cartesian coordinates (see quot. 1956); also, more widely, an electronic device which resolves an input signal into components.
1952G. A. & T. M. Korn Electronic Analog Computers vi. 283 A special rotatable transformer called a resolver. 1956Berkeley & Wainwright Computers iii. 101 A special form of transformer known as a resolver..built something like an electric motor... Turning of the rotor varies the coupling between the windings so as to produce the sine and cosine functions. Ibid. viii. 353/1 Resolver..a device for resolving a vector into two mutually perpendicular components. 1975Daily Tel. (Colour Suppl.) 24 Oct. 29/1 Many find that they can get a very pleasant ‘surround’ effect by using a pair of modest rear speakers coupled to a simple unit called a resolver. The Neal resolver, for example, sorts out the signals from a stereo amplifier and passes to the rear loudspeakers the out-of-phase information—the peripheral elements of the sound. 1976Sci. Amer. Feb. 78/1 The addition of servo control calls for feedback from sensors such as potentiometers, encoders and resolvers, which measure the position of each joint. |