Digital Signal Processing Reference
In-Depth Information
10
10
0
0
-10
-10
-20
-20
-30
-30
0
1
.
02
.
0 3
.
0 4
.
0
5
.
0
6
.
0 7
.
0 8
.
0
0
1
.
02
.
0 3
.
0 4
.
0
5
.
0
6
.
0 7
.
0 8
.
0
F
(kHz)
F
(kHz)
(
a)
(
b
)
10
10
0
0
-10
-10
-20
-20
-30
-30
0
1
.
02
.
0 3
.
0 4
.
0
5
.
0
6
.
0 7
.
0 8
.
0
1
.
0 2
.
0 3
.
0 4
.
0
6
.
0 7
.
0 8
.
0
0
5
.
0
F
(kHz)
F
(kHz)
(
c)
(
d
)
10
10
0
0
-10
-10
-20
-20
-30
-30
0
1
.
02
.
0 3
.
0 4
.
0
5
.
0
6
.
0 7
.
0 8
.
0
0
1
.
02
.
0 3
.
0 4
.
0
5
.
0
6
.
0 7
.
0 8
.
0
F
(kHz)
F
(kHz)
(e)
(f)
FIG. 6.4
The white noise gain of the first-order cardioid, as a function of frequency, for
different values of
M
: (a)
M
= 2, (b)
M
= 3, (c)
M
= 4, (d)
M
= 5, (e)
M
= 7, and (f)
M
= 8.
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