- initial version

git-svn-id: http://moon:8086/svn/matlab/trunk@14 801c6759-fa7c-4059-a304-17956f83a07c
2015-04-04 08:34:11 +00:00
parent a63adc66a9
commit 489aecaee1
2 changed files with 44 additions and 0 deletions
@@ -0,0 +1,11 @@
+function [f dmod] = fdet_coarse(x, N, fs, f_off_lo, df, f_off_hi)
+
+f_range = (f_off_lo:df:f_off_hi);
+
+for k=1:lge(f_range)
+    x_est = exp(-j*(2*pi*f_range(k)/fs*(0:N-1)' + 0));
+    dmod(k) = sum(x(1:N).*x_est);
+end;
+[v maxk] = max(abs(dmod));
+f = f_range(maxk);
+