view m-toolbox/classes/+utils/@math/ri2fq.m @ 23:a71a40911c27
database-connection-manager
Update check for repository connection parameter in constructors
author |
Daniele Nicolodi <nicolodi@science.unitn.it> |
date |
Mon, 05 Dec 2011 16:20:06 +0100 (2011-12-05) |
parents |
f0afece42f48 |
children |
|
line source
% RI2FQ Convert complex pole/zero into frequency/Q pole/zero representation.
%
% [f0, q]= ri2fq(c)
%
% M Hewitson 26-01-07
%
% $Id: ri2fq.m,v 1.3 2008/10/24 09:40:19 hewitson Exp $
%
function [f0, q]= ri2fq(c)
if(nargin==0)
disp('usage: [f0, q]= ri2fq(c)');
return
end
a = real(c(1));
b = imag(c(1));
f0 = sqrt(a^2 + b^2)/(2*pi);
q = 0.5*sqrt(1 + b^2/a^2);
end
% END