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Amplitudová charakteristika:<br />

Zanedbáme-li tlumení, rovnice se zjednoduší na<br />

d 2<br />

= −<br />

0<br />

2<br />

y<br />

2<br />

dt<br />

2<br />

d x<br />

2<br />

dt<br />

− ω x<br />

y( t)<br />

= y0<br />

sinωt<br />

x( t)<br />

= x0<br />

sinωt<br />

2<br />

− ω y<br />

0<br />

2<br />

2<br />

sin ωt<br />

= ω x0<br />

sin ωt<br />

− ω0<br />

x0<br />

sin ωt<br />

kde:<br />

x<br />

y<br />

0<br />

0<br />

=<br />

2<br />

ω<br />

2<br />

ω −ω<br />

2<br />

0<br />

B =<br />

b<br />

kr<br />

ω 0<br />

=<br />

b<br />

b kr<br />

= 2mω<br />

k<br />

m<br />

0<br />

- poměrné tlumení<br />

- kritické tlumení<br />

- rezonanční frekvence

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