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6. juni 2005<br />
<strong>Digitale</strong> <strong>filtre</strong><br />
Bilag 3. Simuleringer af Lav- og Højpas Chebyschev2 filter<br />
dB<br />
dB<br />
0.4<br />
0.3<br />
0.2<br />
0.1<br />
0<br />
-0.1<br />
-0.2<br />
-0.3<br />
Amplitude<br />
0<br />
-5<br />
-10<br />
-15<br />
-20<br />
-25<br />
-30<br />
lowPass 6 order Chebyscev2 filter<br />
0.95 1 1.05 1.1 1.15 1.2 1.25 1.3 1.35 1.4 1.45<br />
x 10 4<br />
Hz<br />
lowPass 6 order Chebyscev2 filter<br />
7000 7500 8000 8500<br />
Hz<br />
9000 9500 10000<br />
0.5<br />
0.4<br />
0.3<br />
0.2<br />
0.1<br />
0<br />
-0.1<br />
1.36 1.38 1.4 1.42 1.44 1.46 1.48 1.5 1.52 1.54<br />
x 10 4<br />
Hz<br />
ITVP4 – Gruppe 5 Side 48 af 53<br />
dB<br />
-30.5<br />
-31<br />
-31.5<br />
-32<br />
-32.5<br />
-33<br />
-33.5<br />
-34<br />
lowPass 6 order Chebyscev2 filter<br />
impulse response of lowPass 6 order Chebyscev2 filter<br />
-0.2<br />
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1<br />
millisekunder
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