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Delta Sigma Toolbox

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Delta Sigma Toolbox

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14 Jan 2000 (Updated )

High-level design and simulation of delta-sigma modulators

Editor's Notes:

This file was selected as MATLAB Central Pick of the Week

l1norm(H)
function h1 = l1norm(H)
% h1 = l1norm(H)	Compute the l1-norm of a z-domain transfer function.

if strcmp(H.form,'zp')
    sys = zpk(H.zeros,H.poles,H.k,1);
elseif strcmp(H.form,'coeff')
    sys = tf(H.num,H.den,1);
else
    fprintf(2,'%s: TF form %s is not recognized.\n', mfilename, H.form)
end

h1 = sum(abs(impulse(sys,100)));

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