Noun
cross-correlation (countable and uncountable, plural cross-correlations)
A notion used across various fields of scientific study that shows the relation between members of two or more groups of data.
This effect is the basis for the code division multiple access (CDMA) property of DSSS, which allows multiple transmitters to share the same channel within the limits of the cross-correlation properties of their PN sequences. Source: Internet
Orthogonal codes have a cross-correlation equal to zero; in other words, they do not interfere with each other. Source: Internet