Digital Signal Processing Reference
In-Depth Information
1
1
0
0.5
−1
0
0
20
40
60
0
20
40
60
(a) Window: Rectangular
(b) Sequence
0
1
−20
0
−40
−1
−60
−80
0
20
40
60
0
0.2
0.4
0.6
0.8
(c) (Win.*Seq)
(d) Freq, Units of
π
Figure 3.36: (a) 64-sample Rectangular window; (b) Impulse Response; (c) Product of waveforms at (a)
and (b); (d) Magnitude (dB) of DTFT of signal at (c).
1
1
0
0.5
−1
0
0
20
40
60
0
20
40
60
(a) Window: Hamming
(b) Sequence
0
1
−20
0
−40
−60
−1
−80
0
20
40
60
0
0.2
0.4
0.6
0.8
(c) (Win.*Seq)
(d) Freq, Units of
π
Figure 3.37: (a) 64-sample Hamming window; (b) Signal; (c) Product of waveforms at (a) and (b); (d)
Magnitude (dB) of DTFT of signal at (c).
 
Search WWH ::




Custom Search