OT central is a flop
- Thread starter krusty
- Start date
outside looking in
<b>Registered Member</b>
'cause it's stapled to a frog? 
MuFu
New Member
Well I've been staring at shit like this...
function quant_err(t,sig,period)
% analyses quantisation error
sh_sig=samphold(t,sig,period); %sample & hold
bits=4;
% scale signals over bit range
sig2=(2^bits-1)*sig/(max(sig)-min(sig));
sig3=(2^bits-1)*sh_sig/(max(sig)-min(sig));
% quantize
sig3=round(sig3);
subplot('position',[0.15 0.6 0.8 0.35]);
set(gca,'FontSize',16);
h1=plot(t,sig2,t,sig3);
ylabel('Quantized S/H','FontSize',16);
grid on;
subplot('position',[0.15 0.1 0.8 0.35]);
set(gca,'FontSize',16);
h2=plot(t,sig2,t,sig2-sig3);
ylabel('Error','FontSize',16);
grid on;
% firstdemo_dac
figcol=[0.8 0.8 0.8];
txtsize=14;
% Position and dimensional parameters
wnd=[80 80 500 600];
% Divide window into dialog frame and graphics frame
edge=20;
gfrm=[wnd(3)-edge-3*wnd(3)/4 edge 3*wnd(3)/4 wnd(4)-2*edge];
h0 = figure('Name','Zero Order Hold DAC',...
'NumberTitle','off',...
'Color',figcol, ...
'Resize','on',...
'Position',wnd);
% Information for all buttons
labelColor=[0.8 0.8 0.8];
top=0.95;
left=0.80;
bottom=0.02;
midx=0.1;midy=0.5;
btnWid=0.12;
btnHt=0.03;
% The slider bars
slider1=uicontrol(...
'Parent',h0,...
'Style','slider',...
'Units','normalized', ...
'Position',[0.15 0.1 0.8 btnHt],...
'SliderStep',[0.005 0.05],...
'Max',[0.99],...
'Min',[0.4],...
'Value',[0.5],...
'Callback','dac(t,sig,get(slider1,''Value''),get(slider2,''Value''))');
slider2=uicontrol(...
'Parent',h0,...
'Style','slider',...
'Units','normalized', ...
'Position',[0.15 0.2 0.8 btnHt],...
'SliderStep',[0.005 0.05],...
'Max',[0.25],...
'Min',[0.001],...
'Value',[0.2],...
'Callback','dac(t,sig,get(slider1,''Value''),get(slider2,''Value''))');
% The CLOSE button
uicontrol( ...
'Parent',h0,...
'Style','push', ...
'Units','normalized', ...
'Position',[left bottom btnWid btnHt], ...
'String','Close', ...
'Callback','close(gcf)');
t=0:0.001:1; %seconds
sig=5*(1+sin(4*pi*t)); %signal
dac(t,sig,0.5,0.2);
...for 8 hours now. Believe me, it has the same effect as any mind-fucking drug I've ever tried.
MuFu.
function quant_err(t,sig,period)
% analyses quantisation error
sh_sig=samphold(t,sig,period); %sample & hold
bits=4;
% scale signals over bit range
sig2=(2^bits-1)*sig/(max(sig)-min(sig));
sig3=(2^bits-1)*sh_sig/(max(sig)-min(sig));
% quantize
sig3=round(sig3);
subplot('position',[0.15 0.6 0.8 0.35]);
set(gca,'FontSize',16);
h1=plot(t,sig2,t,sig3);
ylabel('Quantized S/H','FontSize',16);
grid on;
subplot('position',[0.15 0.1 0.8 0.35]);
set(gca,'FontSize',16);
h2=plot(t,sig2,t,sig2-sig3);
ylabel('Error','FontSize',16);
grid on;
% firstdemo_dac
figcol=[0.8 0.8 0.8];
txtsize=14;
% Position and dimensional parameters
wnd=[80 80 500 600];
% Divide window into dialog frame and graphics frame
edge=20;
gfrm=[wnd(3)-edge-3*wnd(3)/4 edge 3*wnd(3)/4 wnd(4)-2*edge];
h0 = figure('Name','Zero Order Hold DAC',...
'NumberTitle','off',...
'Color',figcol, ...
'Resize','on',...
'Position',wnd);
% Information for all buttons
labelColor=[0.8 0.8 0.8];
top=0.95;
left=0.80;
bottom=0.02;
midx=0.1;midy=0.5;
btnWid=0.12;
btnHt=0.03;
% The slider bars
slider1=uicontrol(...
'Parent',h0,...
'Style','slider',...
'Units','normalized', ...
'Position',[0.15 0.1 0.8 btnHt],...
'SliderStep',[0.005 0.05],...
'Max',[0.99],...
'Min',[0.4],...
'Value',[0.5],...
'Callback','dac(t,sig,get(slider1,''Value''),get(slider2,''Value''))');
slider2=uicontrol(...
'Parent',h0,...
'Style','slider',...
'Units','normalized', ...
'Position',[0.15 0.2 0.8 btnHt],...
'SliderStep',[0.005 0.05],...
'Max',[0.25],...
'Min',[0.001],...
'Value',[0.2],...
'Callback','dac(t,sig,get(slider1,''Value''),get(slider2,''Value''))');
% The CLOSE button
uicontrol( ...
'Parent',h0,...
'Style','push', ...
'Units','normalized', ...
'Position',[left bottom btnWid btnHt], ...
'String','Close', ...
'Callback','close(gcf)');
t=0:0.001:1; %seconds
sig=5*(1+sin(4*pi*t)); %signal
dac(t,sig,0.5,0.2);
...for 8 hours now. Believe me, it has the same effect as any mind-fucking drug I've ever tried.
MuFu.
Originally posted by outside looking in
Has he started any other threads other than "otc sucks" threads?Looking now....
Don't bother..I wouldn't ask you guys an opinion for shit... I'm just an independent critic... and nothing here says this place is any better than xibase... buncha fuckin brown nosers is all I see.
oooh I'm 7 now.. I have 1000 posts... look at my aeroplane picture ...aint it cool.
jebus.
G
Guest
Guest
I am not a brown noser. Never have been. Never will be. By the way, my aeroplane picture is cool.
