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Marcos López

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University of Puerto Rico

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31 Mar 2009 Screenshot Group delay Calculates and plots the group delay for an s domain system. Author: Marcos López group delay, bode, simulation 3 1
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01 Apr 2009 Group delay Calculates and plots the group delay for an s domain system. Author: Marcos López Hanselman, Duane

Here is what is in this submission:
function groupDelay = groupDelaytf(SYS,varargin)
freqScale = 'rad/s';
if nargin > 2
    disp('Too many input arguments!');
    groupDelay = [];
    return
elseif nargin > 1
    freqScale = varargin{1};
end
sk = 2*pi;
if strcmp(freqScale,'Hz') || strcmp(freqScale,'hz')
    sk = 1;
end
[M,P,w] = bode(SYS);
w = linspace(w(1),w(end),length(w)*1000)/(sk);
[M,P] = bode(SYS,w*2*pi);
P = P(:)';
groupDelay = -gradient(P,w)/360;
grid on
semilogx(w*sk,groupDelay)
return
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bode, group delay, simulation
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31 Mar 2009 Screenshot Group delay Calculates and plots the group delay for an s domain system. Author: Marcos López group delay, bode, simulation 3 1
  • 1.0
1.0 | 1 rating

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