diff --git a/ofdm/fdet_eval.m b/ofdm/fdet_eval.m
index e73f88b..4124cf8 100644
--- a/ofdm/fdet_eval.m
+++ b/ofdm/fdet_eval.m
@@ -4,14 +4,14 @@ function fdet_eval(f_true, phi_true, knoise_dB, p)
 
 fs = 48000;
 N = 1024;
-K = 100;
+K = 20;
 
 f_min = p(1);
 f_max = p(2);
 f_step = p(3);
 
 % Adaption rate
-mu = 0.001;
+mu = 0.01;
 
 % Generate signal
 x_true = exp(j*(2*pi*f_true/fs*(0:K*N-1)'+phi_true)) + sqrt(10^(knoise_dB/10))*randn(K*N,1);