MATLAB: Determine how many harmonics should be selected to contain 99% of the modulated signal power.

bessel functionbesseljfmfrequencyharmonicshomeworkmodulated signal powerModulation

c(t) = 6 cos(2pi x fc1 x t)
m(t) = 2 cos(30pi x 103t)
kf1 = 50×10^3
i.e. 2pikf1 = 100pi X 10^3
The carrier frequency is 88.8 MHz.
Determine how many harmonics should be selected to contain 99% of the modulated signal power. You can use the MATLAB built-in besselj function for this task.

Best Answer

Hint: fft() or pwelch(). <http:></http:>
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