hii..frnds,
i have a doubt regarding the digital modulation technique i.e in pcm method we are not using any carrier signal, but in bask, bpsk... we are using analog carrier signal what is the advantages of using this analog signal????please answer it....
i have a doubt regarding the digital modulation technique i.e in pcm method we are not using any carrier signal, but in bask, bpsk... we are using analog carrier signal what is the advantages of using this analog signal????please answer it....