view aim-mat/tools/dB.m @ 0:74dedb26614d

Initial checkin of AIM-MAT version 1.5 (6.4.2011).
author tomwalters
date Fri, 20 May 2011 12:32:31 +0100
parents
children 20ada0af3d7d
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% support file for 'aim-mat'
%
% This external file is included as part of the 'aim-mat' distribution package
% http://www.pdn.cam.ac.uk/cnbh/aim2006
% $Date: 2008-06-10 18:00:16 +0100 (Tue, 10 Jun 2008) $
% $Revision: 585 $

function x=dB(y,method)
%   convert to dB representation

if nargin<2
    method='power';
end

if strcmp(method,'power')
    x=10*log(y)./log(10);
else
    x=20*log(y)./log(10);
end