clear all 
close all
fid = fopen('zynq_rx_fft.bin')
ss  = fread(fid,[257 2000],'uint32');
fclose(fid)


%imagesc(ss.')
%imagesc(10*log(sqrt(ss.')/1000))


s1 = ss(2:257,:);
s2 = fftshift(s1);
%imagesc(10*log(sqrt(s2.')/1000))

%imagesc(s2(:,1:200).')
%imagesc( 10*log(sqrt(s2(:,1:200).' )))
imagesc( 10*log(sqrt(s2(:,200:3:800).' )) , [23 55])
xlabel('frequency (bins)')
ylabel('time')
