%some example distributions;
x=logon(16,0.4,128)+logon(64,0.2,128)+logon(96,0.8,128);
W=wigner(x,128);
subplot(221);
imagesc(W);
A=ambigu(x,128);
subplot(222);
imagesc(abs(A));
tf1=chowil(x,128,0.5);
tf2=chowil(x,128,5);
subplot(223);
imagesc(tf1);
title('\sigma is 0.5');
subplot(224);
imagesc(tf2);
title('\sigma is 5');
figure;
subplot(221);
imagesc(W);
subplot(222);
imagesc(abs(A));
tf=borjor(x,128);
subplot(223);
imagesc(tf);
title('Born-Jordan distribution');
tftr=tritfd(x,128);
subplot(224);
imagesc(tftr);
title('Triangular kernel');