Category:Filtering Function

This category contains results about Filtering Function.
Definitions specific to this category can be found in Definitions/Filtering Function.

The filtering function is the real function $\operatorname {sinc}: \R \to \R$ defined as:

$\forall x \in \R: \map {\operatorname {sinc} } x := \dfrac {\sin \pi x} {\pi x}$

where $\sin$ denotes the (real) sine function.