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What is the formula for the modulation index?

Understand the Problem

The question is asking for the formula that defines the modulation index used in modulation communications, which measures the extent of modulation applied to a carrier signal.

Answer

μa = Am / Ac

The final answer is μa = Am / Ac

Answer for screen readers

The final answer is μa = Am / Ac

More Information

The modulation index describes the extent of modulation applied to the carrier signal. It is an important parameter in Amplitude Modulation (AM) and Frequency Modulation (FM) systems.

Tips

Ensure to correctly identify the amplitude of the message signal (Am) and the carrier signal (Ac) to avoid calculation errors.

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