| 释义 |
wave guide
Also wave-guide, waveguide.
[f. wave n. + guide n.]
A device which constrains or guides electromagnetic waves along a path defined by its physical structure and conducts them with minimum energy loss; spec. a metal tube, usu. of rectangular cross-section, doing this in the hollow space along its length. Also transf. Cf. transmission line s.v. transmission e.
1936Bell Syst. Techn. Jrnl. XV. 284 A novel form of electrical propagation by means of which extremely high-frequency waves may be transmitted from one point to another, through specially constructed wave guides. The guide..may be a hollow copper pipe. 1960M. Redwood Mech. Waveguides 1 In much of the research work in which mechanical waveguides are found the waveguide itself is of only subsidiary interest. 1969Guardian 7 Nov. 13/4 Experimental lengths of a kind of special pipe called a ‘wave-guide’..are expected to be the very high capacity trunk telecommunications cables of the future. 1976Jrnl. R. Soc. Arts CXXIV. 591/2 The electron beam is fired into a ‘wave guide’ carrying a very intense flow of radar waves. 1979Sci. Amer. Oct. 71/3 Some whistlers have proved to be signals generated by a lightning stroke in one hemisphere of the earth and conducted to the opposite hemisphere through a natural waveguide formed by the lines of force of the earth's magnetic field. 1984Which? Dec. 542/1 Microwaves..are directed into the oven by a wave guide. |