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How to determine and draw AM and FM phasor diagrams?

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Indian

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pls post how to determine and draw am and fm phasor diagrams
 

electronics_kumar

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plot phasor diagrams

in AM method since only amplitude is going to be varied ,the resultant phasor diagram is same as that of carrier before modulation
 

Naveed Alam

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phasor diagram of fm

in matlab plot...suppose ur fm and ab signals are fm_signal and am_signal

%plot fm
Tx_phase_P = angle(fm_signal);
Tx_mag_P = 1;
polar(Tx_phase_P, Tx_mag_P,'bd');
title('fm plot')

%plot am
Tx_phase_P = angle(am_signal);
Tx_mag_P = abs(am_signal);
polar(Tx_phase_P, Tx_mag_P,'bd');
title('am plot')
 
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