index=1;
posunuty_bin = 1:1999;
for i = 8:16:31986
   if posunuty_signal(i)>0
      posunuty_bin(index) = 1;
   elseif posunuty_signal(i)<0
      posunuty_bin(index) = 0;
   end
   index = index + 1;
end

index=1;
signal_bin = 1:2000;
for i = [8:16:32000]
   if signal(i)>0
      signal_bin(index) = 1;
   else
      signal_bin(index) = 0;
   end
   index = index + 1;
end