| 单词 | vhf |
| 释义 | > as lemmasVHF VHF n. (also vhf) very high frequency: applied to radio waves with a frequency between 30 and 300 MHz. ΘΚΠ society > communication > telecommunication > radio communications > [noun] > radio wave > specific frequencies very high and low frequency1488 VHF1932 UHF1937 VLF1938 S.H.F.1948 VOR1955 1932 Admiralty Handbk. Wireless Telegr. 1931 p. ii The range of frequencies of the æther waves used in wireless communication is now subdivided as follows:..Above 30,000 kc./s... Very high Frequencies (V.H.F.). 1951 ‘N. Shute’ Round Bend ii. 50 A small V.H.F. radio set. 1955 Times 29 July 5/4 The present system of amplitude modulation in the v.h.f. maritime services should be changed to one of frequency modulation. 1956 B.B.C. Handbk. 1957 134 The introduction of very high frequency transmissions, with frequency modulation (VHF/FM) in several parts of the country, was the major development of the year in sound broadcasting. 1974 P. K. Harvey & K. J. Bohlman Stereo F.M. Radio Handbk. ii. 9 Also, at v.h.f., there was sufficient bandwidth available for hi-fi quality. < as lemmas |
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