Voltage standing-wave ratio

4-1-545

Acronym: V.S.W.R.

In a transmission line or waveguide, the ratio of the amplitude of the transverse electric field at a plane of minimum strength to the amplitude at a corresponding point in an adjacent plane of maximum field strength.

Note: In some countries other than Britain, the reciprocal of this ratio is preferred.

Reference: B.S. (modified)

Please note that this is the term as it stands in the original IALA Dictionary edition (1970-1989)

English