Am_dsb_fm_ssb(angga Rmp)
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ANGGA RICA M.P Telkom / 1A / 01 PEMBANGKIT SINYAL AM Jika diketahui c(t) m(t) AM
= 10 cos 2x106 π t = 5 cos 8x103 π t
= {Ac + m(t)} cos c(t) + c(t) + m(t) = {10 + (5 cos 8x103 π t) }cos (20 cos 2x106 π t)]
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> AM='(10+(5*cos(8*10^3*pi*t)))*(10*cos (2*10^6*pi*t))' AM =(10+(5*cos(8*10^3*pi*t)))*(10*cos (2*10^6*pi*t)) >> ezplot(AM, [0 0.0005])
PEMBANGKIT SINYAL DSB Jika diketahui c(t) m(t) DSB
= 10 cos 2x106 π t = 5 cos 8x103 π t
= c(t) . m(t) = (10 cos 2x106 π t)( 5 cos 8x103 π t)
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> DSB='(10*cos (2*10^6*pi*t))*(5*cos (8*10^3*pi*t))' DSB = (10*cos (2*10^6*pi*t))*(5*cos (8*10^3*pi*t)) >> ezplot(DSB, [0 0.0005])
PEMBANGKIT SINYAL FM Jika diketahui c(t) m(t) kf FM
= 10 cos 2x106 π t = 5 cos 8x103 π t = 10
= c(t) + kf ∫ m(t) dt + c(t) + m(t) = (10 cos 2x106 π t) + 10 ∫ 5 cos 8x103 π t dt + 10 cos 2x106 π t + 5 cos 8x103 π t
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> a=int(mt) a= 1/1600/pi*sin(8000*pi*t) FM='((10*cos(2*10^6*pi*t))+(10*a))+(10*cos (2*10^6*pi*t))+(5*cos (8*10^3*pi*t))' FM= ((10*cos(2*10^6*pi*t))+(10*a))+(10*cos (2*10^6*pi*t))+(5*cos (8*10^3*pi*t))
PEMBANGKIT SINYAL SSB c(t) m(t) AM
= 10 cos 2x106 π t = 5 cos 8x103 π t
= Ac.Am. sin (Wc + Wm) t = (10.5) sin(2x106 π t + 8x103 π t)
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> SSB='(10*5)*sin((2*10^6*pi*t)+(8*10^3*pi*t))' SSB = (10*5)*sin((2*10^6*pi*t)+(8*10^3*pi*t)) >> ezplot(SSB, [0 0.005])
= 10 cos 2x106 π t = 5 cos 8x103 π t
= {Ac + m(t)} cos c(t) + c(t) + m(t) = {10 + (5 cos 8x103 π t) }cos (20 cos 2x106 π t)]
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> AM='(10+(5*cos(8*10^3*pi*t)))*(10*cos (2*10^6*pi*t))' AM =(10+(5*cos(8*10^3*pi*t)))*(10*cos (2*10^6*pi*t)) >> ezplot(AM, [0 0.0005])
PEMBANGKIT SINYAL DSB Jika diketahui c(t) m(t) DSB
= 10 cos 2x106 π t = 5 cos 8x103 π t
= c(t) . m(t) = (10 cos 2x106 π t)( 5 cos 8x103 π t)
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> DSB='(10*cos (2*10^6*pi*t))*(5*cos (8*10^3*pi*t))' DSB = (10*cos (2*10^6*pi*t))*(5*cos (8*10^3*pi*t)) >> ezplot(DSB, [0 0.0005])
PEMBANGKIT SINYAL FM Jika diketahui c(t) m(t) kf FM
= 10 cos 2x106 π t = 5 cos 8x103 π t = 10
= c(t) + kf ∫ m(t) dt + c(t) + m(t) = (10 cos 2x106 π t) + 10 ∫ 5 cos 8x103 π t dt + 10 cos 2x106 π t + 5 cos 8x103 π t
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> a=int(mt) a= 1/1600/pi*sin(8000*pi*t) FM='((10*cos(2*10^6*pi*t))+(10*a))+(10*cos (2*10^6*pi*t))+(5*cos (8*10^3*pi*t))' FM= ((10*cos(2*10^6*pi*t))+(10*a))+(10*cos (2*10^6*pi*t))+(5*cos (8*10^3*pi*t))
PEMBANGKIT SINYAL SSB c(t) m(t) AM
= 10 cos 2x106 π t = 5 cos 8x103 π t
= Ac.Am. sin (Wc + Wm) t = (10.5) sin(2x106 π t + 8x103 π t)
Pada Matlab : >> ct='(10*cos (2*10^6*pi*t))' ; >> mt='(5*cos (8*10^3*pi*t))' ; >> SSB='(10*5)*sin((2*10^6*pi*t)+(8*10^3*pi*t))' SSB = (10*5)*sin((2*10^6*pi*t)+(8*10^3*pi*t)) >> ezplot(SSB, [0 0.005])
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