Практика_5
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Частотные характеристики |
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ω := 0 , 0.01.. 1000 |
T := 0.2 |
j := i |
K := 1 |
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W(ω) |
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K |
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T j ω + 1 |
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P(ω) := |
K |
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Q (ω) := |
−K T ω |
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T2 ω2 + 1 |
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T2 ω2 + 1 |
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АФЧХ |
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0 |
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0.12 |
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0.24 |
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Q(ω) |
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0.36 |
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0.48 |
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0.6 |
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0 |
0.2 |
0.4 |
0.61 |
0.81 |
1.01 |
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P (ω) |
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A(ω) |
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K |
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T2 ω2 + 1 |
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АЧХ |
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1 |
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0.8 |
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0.6 |
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( |
ω |
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A |
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0.4
0.2
0
0 |
12 |
24 |
36 |
48 |
60 |
ω
φ |
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ω |
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180 |
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:= −atan T ω |
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π |
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ФЧХ |
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0 |
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18 |
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φ |
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ω |
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36 |
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54 |
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72 |
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90 |
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0 |
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20 |
40 |
60 |
80 |
10 |
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ω |
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ЛАЧХ |
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0 |
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− 3 |
20 log( |
W(ω) ) 5 |
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10 |
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1 .103 |
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0.01 |
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0.1 |
1 |
10 |
100 |
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ω |
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ЛФЧХ |
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0 |
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arg (W(ω)) 180 |
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π |
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50 |
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0.01 |
0.1 |
1 |
10 |
100 |
1 .103 |
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ω |
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