Sinc function Guide, Meaning , Facts, Information and Description
The sinc function, also known as the interpolation function or filtering function, is the product of a sine function and a monotonically decreasing function. It is defined by:
or:
It has a removable singularity at the origin. Sinc(0)=1, despite the division by zero.
The sinc function oscillates with decreasing amplitude. Applications of the sinc function are found in communication theory, control theory, and optics.
- See also: trigonometric function
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