Phase Shift Keying

Famous quotes containing the words phase and/or shift:

    It no longer makes sense to speak of “feeding problems” or “sleep problems” or “negative behavior” is if they were distinct categories, but to speak of “problems of development” and to search for the meaning of feeding and sleep disturbances or behavior disorders in the developmental phase which has produced them.
    Selma H. Fraiberg (20th century)

    They shift coffee-houses and chocolate-houses from hour to hour, to get over the insupportable labour of doing nothing.
    Richard Steele (1672–1729)