From 81650fd21b0a2b5546e8399b7219cda263510ea4 Mon Sep 17 00:00:00 2001 From: Jens Ahrensfeld Date: Sun, 5 Apr 2015 12:02:19 +0000 Subject: [PATCH] - added frequency offset git-svn-id: http://moon:8086/svn/matlab/trunk@24 801c6759-fa7c-4059-a304-17956f83a07c --- ofdm/fdet_wav.m | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/ofdm/fdet_wav.m b/ofdm/fdet_wav.m index 75b96f1..933e692 100644 --- a/ofdm/fdet_wav.m +++ b/ofdm/fdet_wav.m @@ -1,4 +1,4 @@ -function fdet_wav(filename, p) +function fdet_wav(filename, foff, p) % % Example: fdet_wav('drm-15435-if.wav', [900 1000 10]) % Example: ofdm_tx(40, 1) @@ -28,6 +28,7 @@ else x = xwav.*exp(-j*(2*pi*fc/fs*(0:len-1)')); end +x = x.*exp(j*(2*pi*foff/fs*(0:len-1)')); [omega, err, dmod, omega_coarse, omega_est] = fdet(x, N, Ng, omega_min, omega_step, omega_max); f_coarse = omega_coarse*fs @@ -44,4 +45,4 @@ subplot(4,1,3) plot(1:lge(omega), omega*fs); grid; legend('f'); subplot(4,1,4) -plot(1:lge(omega), angle(dmod), '-*', 1:lge(omega), diff(angle([0 dmod])), 'r-*'); grid; legend('phi', 'dphi'); +plot(1:lge(omega), angle(dmod), '-', 1:lge(omega), diff(angle([0 dmod])), 'r-'); grid; legend('phi', 'dphi');