www.gusucode.com > ident 案例代码 matlab源码程序 > ident/CreateOptionsSetforPlottingFrequencyDomainDataExample.m

    %% Create Option Set for Plotting Frequency-Domain Data  
% Create an option set with default options for frequency-domain data. 

% Copyright 2015 The MathWorks, Inc.

opt = iddataPlotOptions('frequency');  

%% 
% Specify plot properties, such as phase visibility and frequency units. 
opt.PhaseVisible = 'off'; 
opt.FreqUnits = 'Hz';   

%% 
% Create a plot with the specified options. 
load iddata7 z7
zf = fft(z7);
h = plot(zf,opt);