Problem 1 Consider an FM system operating in AWGN. The modulating index of the FM system is beta =5. (the deviation ratio is D=5 ). The transmission bandwidth of the system is 100kHz, according to Carson's rule. The output SNR of the system at the receiver is SNR_(o)=100(20dB). The following changes are made to the system, all at once The transm

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Problem 1 Consider an FM system operating in AWGN. The modulating index of the FM system is

\beta =5

. (the deviation ratio is

D=5

). The transmission bandwidth of the system is

100kHz

, according to Carson's rule. The output SNR of the system at the receiver is

SNR_(o)=100(20dB)

. The following changes are made to the system, all at once The transmitted signal power is doubled. The frequency sensitivity is doubled. Message signal power is kept constant. Message signal bandwidth does not change. Power spectral density of AWGN does not change. Find a) The output SNR of the new system. b) The transmission bandwidth of the new system.

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