A signal Acosomegat is transmitted using v_(0) sinomega_(0)t modulated (AM) signal is:
In process of amplitude modulation of signal to be transmitted . Signal to be modulated is given by m(t)=A_(m) sin omega_(m)t , carrier wave is given by c(t)=A_(c) sin omega_(c)t , modulated signal c_(m)(t) is given by
A message signal frequency omega_(m) is superpiosed on a carrier wave of frequency omega_(c) to gent an amplitude modulated wave ( AM ).The frequency of the AM wave will be
A message signal of freuency omega_(m) is superposed on a carrier wave of frequency omega_(c) to get an amplititude modulated wave (AM). The frequency of the AM wave will be
If a carrier wave c(t)=A sin omega_(c)t is amplitude modulated by a modulator signal m(t)=A sin omega_(m)t then the equation of modulated signal [C_(m)(t)] and its modulation index are respectively
An audio signal of amplitude 0.1 V is used is used in amplitude modulation of a carrier wave of amplitude 0.2 V. Calculate the modulation index.
Equation of messages signal m = 2 sin omega_(m)(t) and carrier signal c = 4 sin omega_(C)(t) . The equation of modulating signal will be
A carrier wave c(t)=A_(c) sin omega_(c) t is amplitude modulated by a modulating signal m(t)=A_(m) sin omega_(m) t . The maximum and minimum amplitudes are found to be 16 V and 4 V , respectively. Calculate the modulation index.
Given the electric field of a complete amplitude modulated wave as vecE= hati E_C ( 1 + (E_m)/(E_C) cos omega_m t ) cos omega_c t . Where the subscript c stands for the carrier wave and m for the modulating signal . The frequencies present in the modulated wave are
An audio signal of 0.1 V is used in amplitude modulation of a career wave of amplitude 0.3. The modulation index is