单词 | wave guide |
释义 | wave guiden. 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, usually of rectangular cross-section, doing this in the hollow space along its length. Also transferred. Cf. transmission line n. at transmission n. Compounds 2. ΘΚΠ the world > matter > physics > electromagnetic radiation > [noun] > wavelength > device for guiding guide1893 wave guide1936 1936 Bell Syst. Techn. Jrnl. 15 284 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. 1960 M. Redwood Mech. Waveguides 1 In much of the research work in which mechanical waveguides are found the waveguide itself is of only subsidiary interest. 1969 Guardian 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. 1976 Jrnl. Royal Soc. Arts 124 591/2 The electron beam is fired into a ‘wave guide’ carrying a very intense flow of radar waves. 1979 Sci. 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. 1984 Which? Dec. 542/1 Microwaves..are directed into the oven by a wave guide. This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2021). < |
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