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Posted: **Mon May 09, 2022 8:03 am**

: Problem 5 19 Points An Fm Signal S T 10 Cos 2fct 4 Sin 2214x S T Bpf Fm Detod Lpy Wt Is Received In The Prese 1 (52.69 KiB) Viewed 22 times

: Problem 5 19 Points An Fm Signal S T 10 Cos 2fct 4 Sin 2214x S T Bpf Fm Detod Lpy Wt Is Received In The Prese 2 (40.68 KiB) Viewed 22 times

Problem 5:19 points) An FM signal s(t) = 10 cos( 2fct + 4 sin(2214X)) s(t) BPF FM Detod LPY wt) is received in the presence of white noise wt) with power spectrum density No/2 = 10-20 Waus a) [1 point) What is the received signal power? b) [1 point] What is the bandwidth needed for the bandpass filter? c) [1 point) What is pre-detection SNR in dB? dB d) [3 points Set the LPF cutoff frequency as 5000 Hz. (i) Determine the noise power the LPF output and sketch it, and (ii) calculate the signal to noise ratio at the LPF ou c) 3 points) Now set the LPF cutoff frequency to 3000 Hz. (i) Determine the noise po at the LPF output and sketch it, and (ii) calculate the signal to noise ratio at the LP
s() = 10 cos(2 fet + 4 sin(225000)) FM Demod ВРЕ LPF (e) Boise w() with power spectrum density No/2 = 10-13 Watts/Hz. Watts ignal power? needed for the bandpass filter? SNR in dB? kHz dB quency as 5000 Hz. (i) Determine the noise power spectrum density at (ii ) calculate the signal to noise ratio at the LPF output in decibels. frequency to 3000 Hz. (i) Determine the noise power spectrum density (ii) calculate the signal to noise ratio at the LPF output in decibels.