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Respostas no Domínio da Frequência (Aula 01) - UFSM

Respostas no Domínio da Frequência (Aula 01) - UFSM

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Resposta em regime para sinal se<strong>no</strong>i<strong>da</strong>l<br />

•<br />

Seja um sistema LTI definido por<br />

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–<br />

–<br />

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G s<br />

Onde o sinal de entra<strong>da</strong> x(t) ése<strong>no</strong>i<strong>da</strong>l e <strong>da</strong>do por<br />

Se o sistema for estável, o sinal de saí<strong>da</strong> y(t), em regime estacionário,<br />

será <strong>da</strong>do por<br />

Onde<br />

<br />

<br />

<br />

Y s<br />

X s<br />

xtXsenωt ytYsenωtφ Y X Gjω e <br />

Prof. Cassia<strong>no</strong> Rech, Dr. Eng. | Prof. Rafael Concatto Beltrame, Me. Eng.<br />

<br />

<br />

ImG jω <br />

φ G jωarctg <br />

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ReG jω <br />

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1/5<br />

6

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