vertical sweep

vertical sweep

[′vərd·ə·kəl ′swēp]
(electronics)
The downward movement of the scanning beam from top to bottom of the picture being televised.
References in periodicals archive ?
the engine mount (Right - hand side) and the transmission mount (Left-hand side) as well as the tie bars when subjected to a high amplitude sinusoidal vertical sweep.
Vertical sweep efficiency is the fraction of vertical cross-sectional area of the reservoir between injection and production wells that is swept by water at a given time.
The user mounts the unit to a tripod where it can scan in a 360-deg swing, with a vertical sweep of 320deg, capturing a data cloud with an average of 28-million pixels per scan in about 4.5min.
The vertical sweep of my 24mm wide-angle lens let me place all three layers in a coherent relationship to each other.
Even his largest works, which combine the huge vertical sweep of a Cinemascope screen with the subliminal vertical blur of individual movie frames streaking by, seem to burst their confines in order to connect with a larger whole.
Notice how Wyeth balances the horizontal movement with the vertical sweep of Christina's figure.
If you have high ceilings, draw the eye up even further with great vertical sweeps of colour or texture.