Question

Give the significance of modulation index

Answer 1

The modulation index (or modulation depth) of a modulation scheme describes by how much the modulated variable of the carrier signal varies around its unmodulated level. It is defined differently in each modulation scheme. See:

Amplitude modulation index

Frequency modulation index

Phase modulation index

Answer 2

Significance of modulation index is given below

Explanation:

• The main objective of the modulation index  to calculating the intensity and performance of the transmitted signal .
• If the coefficient of the modulation is low then the quantity of fluctuation in the amplitude of the carrier is also low It means the received sound signal would not be high
• if we want to give the high signal then  we always providing the high degree of modulation .

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