单词 | yagi |
释义 | Yagin. Broadcasting. Used attributively and absol. to designate a highly directional aerial invented by Yagi ( Proc. IRE (1928) XVI. 715) for receiving or transmitting VHF or UHF waves within a narrow frequency band, consisting of a number of short rods mounted transversely on an insulating support that points towards the signal source. ΘΚΠ society > communication > broadcasting > equipment > [noun] > aerial Yagi1943 society > communication > broadcasting > equipment > [adjective] > aerial Yagi1943 1943 Gloss. Terms Telecomm. (B.S.I.) 66 The term Yagi aerial, which relates to a particular form of end-fire array, should not be used as a generic term for all end-fire arrays. 1950 Austral. Jrnl. Sci. Res. A. 3 20 The array of nine Yagis in three groups of three, one wavelength apart, is fixed on an equatorial mounting. 1951 A. C. Clarke Sands of Mars iv. 42 He produced a rough sketch of a simple Yagi aerial. 1960 Pract. Wireless 36 362/2 (advt.) 2 Metre beam 5 element W.S. Yagi. 1975 L. Deighton Yesterday's Spy xi. 88 Did he think we needed the eight Yagi aerials for TV? This entry has not yet been fully updated (first published 1986; most recently modified version published online December 2018). < n.1943 |
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