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    %% Complex Shannon Wavelet
% Obtain and plot a complex Shannon wavelet. Set the bandwidth and center
% frequency parameters.

% Copyright 2015 The MathWorks, Inc.

fb = 1; fc = 1.5;
%%
% Set the effective support and number of sample points.
lb = -20; 
ub = 20; 
n = 1000;
         
%% 
% Obtain the complex-valued Shannon wavelet and plot the real and imaginary
% parts.
[psi,x] = shanwavf(lb,ub,n,fb,fc);
subplot(211)
plot(x,real(psi))
title('Complex Shannon wavelet')
xlabel('Real part');
grid on;
subplot(212)
plot(x,imag(psi))
xlabel('Imaginary part')
grid on;