Biomedical Engineering Reference
In-Depth Information
(a)
(b)
1
2−−>1
1−−>2
2−−>1
1−−>2
0.5
0
1
3−−>1
1−−>3
3−−>1
1−−>3
0.5
0
1
3−−>2
2−−>3
3−−>2
2−−>3
0.5
0
0
0.2
0.4
0
0.2
0.4
0
0.2
0.4
0
0.2
0.4
frequency
frequency
frequency
frequency
Fig. 8.6 a
Plots of partial directed coherence (PDC) and
b
directed transfer function (DTF) com-
puted using MVAR coefficients estimated from the simulated MEG data with SIR equal to 2. The
least-squares method in Sect.
8.7.1
was used for estimating MVAR coefficients. Explanations on
the ordinate and abscissa variables are found in the caption for Fig.
8.2
(a)
(b)
1
2−−>1
1−−>2
2−−>1
1−−>2
0.5
0
1
3−−>1
1−−>3
3−−>1
1−−>3
0.5
0
1
3−−>2
2−−>3
3−−>2
2−−>3
0.5
0
0
0.2
0.4
0
0.2
0.4
0
0.2
0.4
0
0.2
0.4
frequency
frequency
frequency
frequency
Fig. 8.7 a
Plots of partial directed coherence (PDC) and
b
the directed transfer function (DTF)
computed using MVAR coefficients estimated from the simulated MEG data with SIR equal to 2.
The sparse Bayesian algorithm described in Sect.
8.7.2
was used for estimating MVAR coefficients.
Explanations on the ordinate and abscissa variables are found in the caption for Fig.
8.2
