Hanning Function

An Apodization Function, also called the Hann Function, frequently used to reduce Aliasing inFourier Transforms. The illustrations above show the Hanning function, its InstrumentFunction, and a blowup of the Instrument Function sidelobes. The Hanning function is given by

(1)

(2)

			(3)

(4)

			(5)

(6)

To find the extrema, define and rewrite (6) as

(7)

(8)

(9)

(10)

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