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Update unit tests
author | Daniele Nicolodi <nicolodi@science.unitn.it> |
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date | Wed, 07 Dec 2011 17:24:37 +0100 |
parents | f0afece42f48 |
children |
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function w3db = kaiser_w3db(alpha) % KAISER_W3DB returns the 3dB bandwidth in bins of a kaiser window with % parameter alpha. % % Taken from C code of Gerhard Heinzel: % % Compute the 3dB bandwidth (W3db) [bins] % of Kaiser windows from the parameter alpha. % Best-fit polynomial was obtained from 180 data % points between alpha=1 and alpha=9.95. % Maximum error is 0.006 bins. % % M Hewitson 19-05-07 % % $Id: kaiser_w3db.m,v 1.2 2011/04/08 08:56:35 hewitson Exp $ % a0 = 0.757185; a1 = 0.377847; a2 = -0.0238342; a3 = 0.00086012; x = alpha; w3db = (((((a3 * x) + a2) * x) + a1) * x + a0); % END