space quadrature

space quadrature

[′spās ‚kwäd·rə·chər]
(physics)
A difference of a quarter-wavelength in the position of corresponding points of a wave in space.
References in periodicals archive ?
Two pure modes (T[E.sub.[delta]11] mode and T[E.sub.1[delta]1] mode) that are almost equal in magnitude but differ in phase and space by 90[degrees] (i.e., time and space quadrature) are excited by square spiral microstrip line in x-z plane and y-z plane, respectively.