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Some modifications to the S-curve

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This commit is contained in:
ha7ilm 2017-05-19 14:55:11 +02:00
parent f9a6535e10
commit 978289e76b
2 changed files with 7 additions and 4 deletions
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1
csdr.c
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@ -2592,6 +2592,7 @@ int main(int argc, char *argv[])
if(argc>=(7+add_q) && !strcmp(argv[6+add_q], "--output_error")) output_error = 1;
float* timing_error = NULL;
if(output_error) timing_error = (float*)malloc(sizeof(float)*the_bufsize);
errhead(); fprintf(stderr, "--output_error mode\n");
if(argc>=(7+add_q) && !strcmp(argv[6+add_q], "--output_indexes")) output_indexes = 1;
unsigned* sampled_indexes = NULL;

10
grc_tests/bpsk31_scurve.m
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@ -46,20 +46,22 @@ function fmtplot(h)
ylabel('Error value (TED output)');
end
skips_gardner=0:256
skips_gardner=0:16:256
error_values_gardner=mkscurve('GARDNER',skips_gardner);
skips_earlylate=0:256
skips_earlylate=0:16:256
error_values_earlylate=mkscurve('EARLYLATE',skips_earlylate);
%graphics_toolkit("gnuplot")
h=figure(1);
plot(skips_gardner, error_values_gardner, 'linewidth', 2);
plot((skips_gardner-128)/256, -error_values_gardner, 'linewidth', 2);
title('S-curve for Gardner TED');
fmtplot(h)
grid on
pause
plot(skips_earlylate, error_values_earlylate, 'linewidth', 2);
plot((skips_earlylate-128)/256, error_values_earlylate, 'linewidth', 2);
title('S-curve for early-late TED');
fmtplot(h)
grid on
pause