1. n. [Geophysics]

Another term for aperture, a portion of a dataset, such as seismic data, to which functions or filters are applied. Aperture time, for example, can be specified, such as a window from 1.2 to 2.8 seconds.

Synonyms: aperture

See related terms: filter,  sinc x

2. n. [Geophysics]

Another term for aperture, a mechanism to limit the effects of measurements on a device or system. In seismic data acquisition, the length of the spread has the effect of an aperture.

Synonyms: aperture

See related terms: acquisition,  spread