Figure 4
From: Higher-Order Cyclostationarity Detection for Spectrum Sensing
Noise variance at the output of the RD-CTCF estimator as a function of the lag parameters 
and 
for the cycle frequency 
. The values of 
and 
have been fixed to 
and 
, respectively. The system parameters are: 
MHz symbol frequency, 
MHz sample frequency, 
. The number of noise realizations is 
.