cupy.blackman¶
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cupy.
blackman
(M)[source]¶ Returns the Blackman window.
The Blackman window is defined as
\[w(n) = 0.42 - 0.5 \cos\left(\frac{2\pi{n}}{M-1}\right) + 0.08 \cos\left(\frac{4\pi{n}}{M-1}\right) \qquad 0 \leq n \leq M-1\]Parameters: M ( int
) – Number of points in the output window. If zero or less, an empty array is returned.Returns: Output ndarray. Return type: ndarray See also