| 释义 |
Yagi Broadcasting.|ˈjɑːgɪ|
The name of Hidetsugu Yagi (b. 1886), Japanese scholar and electrical engineer, used attrib. and absol. to designate a highly directional aerial that he invented (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.
1943Gloss. 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. 1950Austral. Jrnl. Sci. Res. A. III. 20 The array of nine Yagis in three groups of three, one wavelength apart, is fixed on an equatorial mounting. 1951A. C. Clarke Sands of Mars iv. 42 He produced a rough sketch of a simple Yagi aerial. 1960Practical Wireless XXXVI. 362/2 (Advt.), 2 Metre beam 5 element W.S. Yagi. 1975L. Deighton Yesterday's Spy xi. 88 Did he think we needed the eight Yagi aerials for TV? |