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annotate m-toolbox/classes/+utils/@math/ri2fq.m @ 42:f90d4f666cc7 database-connection-manager

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Cleanup
author Daniele Nicolodi <nicolodi@science.unitn.it>
date Mon, 05 Dec 2011 18:04:34 +0100
parents f0afece42f48
children
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Daniele Nicolodi <nicolodi@science.unitn.it>
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1 % RI2FQ Convert complex pole/zero into frequency/Q pole/zero representation.
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2 %
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3 % [f0, q]= ri2fq(c)
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4 %
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5 % M Hewitson 26-01-07
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6 %
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7 % $Id: ri2fq.m,v 1.3 2008/10/24 09:40:19 hewitson Exp $
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8 %
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9
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10 function [f0, q]= ri2fq(c)
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11
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12 if(nargin==0)
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13 disp('usage: [f0, q]= ri2fq(c)');
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14 return
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15 end
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16
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17 a = real(c(1));
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18 b = imag(c(1));
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19
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20 f0 = sqrt(a^2 + b^2)/(2*pi);
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21 q = 0.5*sqrt(1 + b^2/a^2);
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22
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23 end
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24 % END