Install the GRC (GNU Radio Companion) tool from http://www.joshknows.com/grc on your machine. GRC can facilitate the study of GNU Radio. Now exploit the GRC tool to design the following systems: a. a...

Install the GRC (GNU Radio Companion) tool from http://www.joshknows.com/grc on your machine. GRC can facilitate the study of GNU Radio. Now exploit the GRC tool to design the following systems: a. a system that can filter a noisy channel, and b. a QAM modulator/demodulator system. (Hint: You may refer to “GNU Radio Testbed” written by Naveen Manicka.)