An apodization function given by

(1)

which has full width at half maximum of . This function is defined so
that the coefficients are approximations in the general
expansion

(2)

to
which produce zeros of at and .
The corresponding instrument function is

(6)

where
is the sinc function. It is full
width at half maximum is .
See also
Apodization Function
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References
Blackman, R. B. and Tukey, J. W. "Particular Pairs of Windows." In The
Measurement of Power Spectra, From the Point of View of Communications Engineering.
New York: Dover, pp. 9899, 1959.Referenced on WolframAlpha
Blackman Function
Cite this as:
Weisstein, Eric W. "Blackman Function."
From MathWorldA Wolfram Web Resource. https://mathworld.wolfram.com/BlackmanFunction.html
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