Lösungen zu den Versuchen - Digitale Signalverarbeitung mit MATLAB - page 250

Magnitude Response (dB)

Normali z ed Freque n cy: 0.3226 3 18
Magnitude (dB): 0.4849109

0

Normalized Frequency: 0.2878418
Magnitude (dB): -0.5122244

Normalized Frequency: 0.3399658
Magnitude (dB): -0.5078809

-10

-20

-30

-40

Normalized Frequency: 0.3999023
Magnitude (dB): -44.43421

Normalized Frequency: 0.4324951
Magnitude (dB): -44.83425

-50

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Normalized Frequency ( uS rad/sample)

Bild 20-29 Betragsfrequenzgang des FIR-Filters mit der Ordnung N = 54 mit der Equiripple-Methode
( fadtool, Minimum order )

Magnitude Response (dB)

Normali z ed Freque n cy: 0.324 4 629
Magnitude (dB): 0.4039917

0
Normalized Frequency: 0.2930908
Magnitude (dB): -0.4236496

Normalized Frequency: 0.3395996
Magnitude (dB): -0.3779662

-10

-20

-30

-40

Normalized Frequency: 0.3999023
Magnitude (dB): -46.00257

Normalized Frequency: 0.4083252
Magnitude (dB): -46.46704

-50

0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9

Normalized Frequency ( uS rad/sample)

Bild 20-30 Betragsfrequenzgang des FIR-Filters mit der Ordnung N = 56 mit der Equiripple-Methode
( fadtool, Wpass = 1, Wstop = 10 )