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Grade: 12

                        

What is modulation index and what are the equations for finding it?

4 years ago

Answers : (2)

Vikas TU
12154 Points
							
modulation index is defined as the ratio of the peak voltages maximum to minimum
or ratio of higher voltage to lower voltage for any concerned signal taken such as voice signal sound signal etc.
4 years ago
Adarsh
733 Points
							
Modulation index (μ) is the ratio of amplitude of message signal (Am) to that of the carrier wave (Ac)
that is, μ = Am/Ac
                = ((Amax -Amin )/2)/((Amax +Amin )/2)
              = (Amax -Amin )/((Amax+ Amin ).
For better modulation μ ≤ 1.
Hope you understand my solution.
                 
 
4 years ago
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