ELECTRONICS Programming and Technical HR Interview Interview

BPFSK is more efficient than BFSK in
presence of noise. Why?

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w.k.t in BPFSK we can change both the frequency and phase of the signal..while in BFSK we can only change the frequency of the signal. so it is better to use BPFSK than to use BFSK technique so that we can reduce the noise in terms of both frequency and phase.
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