phase shift

Translations
фазовый сдвиг
сдвиг фазы
смещение фазы
изменение фазы
Definitions
A change in the phase of a wave or periodic signal relative to a reference.
The amount by which a periodic wave or signal is displaced in phase, usually expressed as an angle, time interval, or fraction of a cycle.
A fundamental change in a situation, system, or way of thinking.
Words
phase

noun
фаза
shift

noun
сдвиг