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单词 jammer
释义

jammern.

Brit. /ˈdʒamə/, U.S. /ˈdʒæmər/
Etymology: < jam v.1 + -er suffix1.
A transmitter used for jamming.
ΘΚΠ
society > communication > telecommunication > radio communications > radio equipment > [noun] > radio set > type of transmitter
baby monitor1914
jammer1947
Sarah1955
1947 Jrnl. Royal Aeronaut. Soc. 51 428/1 We could..dispose our limited number of transmitters along the tracks usually followed by the beam-flying enemy bombers and site our relatively low-powered jammers where they would produce their greatest effect.
1957 B.B.C. Handbk. 39 Jamming by the Communist authorities is more efficient than the wartime efforts of the Germans and Italians, but except in certain centres of population where local jammers are used, it is not completely effective.
1965 H. Kahn On Escalation vii. 141 The Soviets might even use shipboard jammers.
1971 Sci. Amer. June 132/2 Any sonar can be jammed, and clever moving jammers would pretty surely beat the art of beam shaping.
This entry has not yet been fully updated (first published 1976; most recently modified version published online March 2022).
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n.1947
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