% ComputeChannelGUI.m
% ComputeChannelGUI.m plots the current channel
popupHnd1=findobj('Tag','PopupMenuMultipath');
noChannel = 0;
if get(popupHnd1,'Value') == 3 % Large
d1 = 6;
a1 = 0.4;
d2 = 10;
a2 = 0.3;
elseif get(popupHnd1,'Value') == 2 % Small
d1 = 6;
a1 = 0.25;
d2 = 10;
a2 = 0.20;
else % None
noChannel = 1;
channel_on = 0;
break
end
num = [1, zeros(1, d1-1), a1, zeros(1, d2-d1-1), a2];
den = [1];
[H, W] = freqz(num, den);
mag = 20*log10(abs(H));
phase = angle(H) * 180/pi;
% plot(W/(2*pi),mag) % comment me out normally