quarter-wave antenna
Also found in: Acronyms.
quarter-wave antenna
[′kwȯrd·ər ‚wāv an′ten·ə] (electromagnetism)
An antenna whose electrical length is equal to one quarter-wavelength of the signal to be transmitted or received.
quarter-wave antenna
A radio antenna whose length is one-quarter of the wavelength of the frequency for which the antenna is used.