Digital Signal Processing Reference
In-Depth Information
10
8
6
4
2
0
2
2
1
0
0
−1
−2
−2
Imaginary
Real
Figure 2.16:
The magnitude of the
z
-transform of an 8-sample rectangular impulse response, evaluated
over a number (30) of circular contours beginning at
|
z
|
= 0.95.
Figure 2.17:
A VI that displays the magnitude and phase of the
z
-transform evaluated along the unit
circle of an FIR filter formed from a single zero, pair of complex conjugate zeros, or a quad of zeros; the
corresponding FIR impulse response is also displayed.
