Biomedical Engineering Reference
In-Depth Information
Applying (19.15), the results also constitute approximations for the standard deviation
(not normalized) in the phase factor estimate calculation as follows.
SD [
˜
SD [
˜
φ
xy
(
f
1
)]
=
0
.
30 radians
φ
xy
(
f
2
)]
=
0
.
033 radians
=
17 degrees
=
1
.
9 degrees
2
Hence, the estimates made with a coherence of
γ
xy
(
f
2
)
=
0
.
90 are almost ten times as
2
accurate as those made with a coherence of
γ
xy
(
f
1
)
=
0
.
10.
19.2 SUMMARY
A summary is given in Table 19.2 on the main normalized random error formulas for
single-input/output model estimates.
