Question
y(t) and Y(f) correctly draw..
1) <20점> 다음과 같이 지주과 신호인 이때/ y(1)와 Y(f)를 정확하게 그리시오. m(1)가 carrier를 이용하여 DSB-SC 신호인 y(t) 로 변조 6TL sin L0t m(0) sin(at) 단 m(t) -


sin 107t m(t) y(t) Sin(at) Οπι m(t) 10πί -a cos 2000.77 IDTLE CTnto TO The low frequency signal m(t) is modulated to the dsb-sc signal y(t) using the carrier. y(t) and Y(f) correctly draw~!~!
1) 다음과 같이 지주과 신호인 이때/ y(1)와 Y(f)를 정확하게 그리시오. m(1)가 carrier를 이용하여 DSB-SC 신호인 y(t) 로 변조 6TL sin L0t m(0) sin(at) 단 m(t) -y(t) = 10πl +9 이) a /cos 2000까 mtDTLt CTM(o TO t
sin 107t m(t) y(t) Sin(at) Οπι m(t) 10πί -a cos 2000.77 IDTLE CTnto TO
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Answer #1

(5 H2) Ct) 10 TT t mtt y t Cos 2000 Trt TIKMZ) Sin (lOTIt cos ( 2000 TI t 10T t t +2000T t) Sin 10 TT Sin 10Tt 2o0otr 3 2 (10Sin 2010T1t t) Sin Cig901Tt uIS 20 77t weknowthat Sindt) Sin (Tt) TTt t Sin c Tt 2T rect 22 20 10 Sin (2010t) 19go Sinc(19gotDATE PAGE 100S Sinc 201ot 11 99.5sinl too ssinkoot) (00.5 T010 2010 2 2010 y9-5sin(19901) 99.5 1 1999 1994

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