DocumentNTF(arg1,osr,f0,quadr...axis_handle = DocumentNTF(ntf|ABCD|mod_struct,osr=64,f0=0,quadrature=0) Plot the NTF's poles and zeros as well as its frequency-response
ESLselect(v,sy,dw,df)sv = ESLselect(v,sy,dw,df) Select the elements of a multi-element
function plotSpectrum(X,fin,fmt)
% plotSpectrum(X,fin,fmt) Plot a smoothed spectrum
if nargin<3
fmt='-';
end
[f p] = logsmooth(X,fin);
semilogx(f,p,fmt);