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What happens with the energy of the offset carrier frequency as the modulation index increases?

April 26, 2017energy Frequency happens increases index modulation offset

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What happens with the energy of the offset carrier frequency as the modulation index increases?

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Increasing the modulation index produces sidebands at the expense of the power of the carrier frequency. The greater the value of the modulation index, the greater the number of generated partials and, therefore, the wider the distribution of the power between the sidebands.