Tapering of 2D matrices
MATTAPER Tapering of 2D matrices.
[A,WINDOW] = MATTAPER(X,TF,W,S) performs gradual tapering by applying
either a student's t cumulative distribution function or a cosine
function to the four borders of the 2D matrix X.
For cosine: W is width of cosine in percent of width of X. S is unused.
For t-distribution: S defines the (integer) rate of decreasing border
values, and W the (integer) position of the half height of the applied
border window.
tf =
1: t-distribution
2: cosine
Example:
X = ones(60); % Uniform distribution
figure,surf(mattaper(X))
Written by Christian Lundmand Jensen
Date: 15th of February, 2013.
Update: 4th of April 2013
- Added cosine taper
Citar como
Christian Jensen (2024). Tapering of 2D matrices (https://www.mathworks.com/matlabcentral/fileexchange/40354-tapering-of-2d-matrices), MATLAB Central File Exchange. Recuperado .
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