1. n. [Geophysics]
A portion of a data set, 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: window
See: filter, sinc x
2. n. [Geophysics]
A mechanism to limit the affects of measurements on a device or system. In seismic data acquisition, the length of the spread has the effect of an aperture.
Synonyms: window