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mathematical expression of frequency modulation. Phase Modulation PM is another form of angle modulation. Modulation index b k p A m BW 2k p A m 1f m Increasing frequency has a more profound effect on the BW of PM 101408 21.
Derive An Expression For Single Tone Amplitude Modulated Wave And Draw Its Frequency Spectrum Electronics Post from electronicspost.com
In both the cases the total phase angle th of the modulated signal varies. M t Am cos omt. If the frequency of carrier signal is varied in accordance with the instantaneous amplitude of the modulating signal then it is called as frequency modulation.
The simplest interpretation of the modulation index b is as a measure of the peak frequency deviation D f.
Frequency modulation is the encoding of information in a carrier wave by varying the instantaneous frequency of the wave. In this video i have explained Frequency Modulation FM by following outlines1. In Amplitude Modulation AM amplitude of the carrier is changed in accordance with amplitude of modulating signal. It can be represented mathematically as.
