a.Agent X and Agent Y are two spies who want to transmit asecret message to their headquarters. In order to ensure secrecy,half of this message is to be transmitted in Urdu by Agent x whilethe other half in Pashto by Agent Y Both halves when decodedtogether at the headquarters can convey the complete informationand therefore must be sent in a single transmission
They have an AM transmitter but it has one problem that it canonly transmit one carrier frequency. How can they simultaneouslytransmit both messages using this AM transmitter?
b. A radio transmitter TX1 is using amplitude modulation withmaximum bandwidth of 10 kHz Due to some technical issue, theamplitude modulator stops working Technicians found out that itwill take at least two days to repair the modulator. They have afrequency modulator and they want to use it to transmit theinformation using frequency modulation. Is it possible with thegiven constraints? Why or
why not?
