Tutorials/k0SDR/Tutorial14: fPlot.m
| File fPlot.m, 386 bytes (added by , 9 years ago) |
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| 1 | clear all |
| 2 | close all |
| 3 | fid = fopen('zynq_rx_fft.bin') |
| 4 | ss = fread(fid,[257 2000],'uint32'); |
| 5 | fclose(fid) |
| 6 | |
| 7 | |
| 8 | %imagesc(ss.') |
| 9 | %imagesc(10*log(sqrt(ss.')/1000)) |
| 10 | |
| 11 | |
| 12 | s1 = ss(2:257,:); |
| 13 | s2 = fftshift(s1); |
| 14 | %imagesc(10*log(sqrt(s2.')/1000)) |
| 15 | |
| 16 | %imagesc(s2(:,1:200).') |
| 17 | %imagesc( 10*log(sqrt(s2(:,1:200).' ))) |
| 18 | imagesc( 10*log(sqrt(s2(:,200:3:800).' )) , [23 55]) |
| 19 | xlabel('frequency (bins)') |
| 20 | ylabel('time') |
