A modulated signal` C_m(t)` has the form `C_m(t) = 30 sin 300pi t + 10 (cos 200pit – cos 400pi t)`. The carrier frequency `f_c` the modulating frequency (message frequency) `f_Omega` and the modulation index `mu` are respectively given by :
A
`f_c=150 Hz,f_(Omega) =30 Hz, mu =(1)/()`
B
`f_c=200 Hz, f_(Omega)=50 Hz, mu =(1)/(2)`
C
`f_c=200 Hz, f_Omega =30 Hz, mu =(1)/(2)`
D
`f_c=150 Hz , f_Omega =50 Hz, mu= (2)/(3)`
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