单词 | resonant cavity |
释义 | > as lemmasresonant cavity resonant cavity n. an enclosed space within which resonance occurs; spec. = resonator n. 3b. ΘΚΠ society > communication > telecommunication > radio communications > radio equipment > [noun] > radar apparatus > cavity resonator resonant cavity1831 cavity resonator1936 the world > matter > physics > electromagnetic radiation > electricity > electric current > alternating current > [noun] > effect of equal currents > device displaying resonant cavity1831 resonator1883 1831 Jrnl. Royal Inst. Great Brit. 2 228 The laws of these resonant cavities have occupied the attention of Savart. 1918 E. B. Gleason Man. Dis. Nose, Throat, & Ear (ed. 4) 263 It may be nasal..growths that render the use of the nose as a resonant cavity impossible. 1945 Nature 15 Sept. 323/1 Dr. J. T. Randall applied the resonant-cavity technique to the relatively ineffective magnetron of pre-war days, and made of it a radically new and immensely powerful device. 1989 P. Horowitz & W. Hill Art of Electronics (ed. 2) xiii. 884/2 A fancier version of tunable oscillator for gigahertz frequencies uses a yttrium/iron/garnet (YIG) sphere as a magnetically tunable resonant cavity. < as lemmas |
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