A power spectral density has a roughly Gaussian shape for which the mean is at 10000Hz and the standard deviation of the distribution is 100 Hz. Bearing in mind what we know about the Gaussian distribution, estimate the proportion of power that lies in the region that is in EXCESS of 10300Hz, if the TOTAL power in the signal is 10 Watts. Is it:

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Frequency Modulation

Frequency modulation is a method or process of encoding the data of a specific signal (analog or digital) by modulating the carrier wave frequency according to the frequency of the modulated signal. Modulated signals are nothing more than information or data that should be conveyed after being converted into electronic signals.