A BFSK De-Modulator.

A Typical BFSK De-Modulator for Binary Streams..

A BPSK Demodulator Function, where x is the BPSK Input, fc is the carrier frequency, and T is the symbol (bit) duration, nbits is the number of bits, and b is the Output bit stream.

Syntax:: [b]=bfsk_demod(x,fc,T);