# Q2. a) Define: PSD, Autocorrelation, AWGN and SNIR If the transfare function of LPF of realizable RC

Q2. a) Define: PSD, Autocorrelation, AWGN and SNIR If the transfare function of LPF of realizable RC filter Hi( 1/(1+j2nRC) Find and plot the absolute value of the transfare function of the with half power cut off frequency (- 1/(2nRC) ) ,R=100 and C 0.1 uFrad. c) A signal s(t) has a PSD: Gs(f) A0is passed through a channel in 0.005 A 6,000. with AWGN n(t) and interfereance i(t) are present, resulting in a received signal r(t)-s(t)+n(t)+i(t). the noise has a bandlimited PSD: Gn(f) 0.01 1 and 6,000, +50000 (4 received signal is then filtered as shown in the following receiver block diagram -50000 the interference has PSD: G,() 0.064 “).0.03 1 ( The s00 1000 r(t) yt) HD Realizable RC LPF designed in Q2-b Find the following SNIR for r(t) SNIR for y(t) Discuss the effect of using this filter at the receiver.