1. for Carrier Frequency : http://artsites.ucsc.edu/EMS/music/tech_background/TE-17/teces_17.html 2. http://www.cse.iitd.ac.in/~mcs103516/matlab1.ppt 3. http://www.cse.iitd.ac.in/~mcs103516/matlab2.pdf 3. http://www.cse.iitd.ac.in/~mcs103516/matlab3.pdf