Consider the signal w(t) expressed as below, w(t) = 10 1/(20pi*t)2 (a) Find W ( f ) using the Duality Property of the Fourier Transform and the Table. (b) Plot W ( f ) (c) Find the 6dB bandwidth of the signal. question 2  Consider the signal w(t)=6cos(8pi*t)+2cos(4pi*t) (a) Calculate the rms value Wrms and the normalized average power Pw of the signal. (b) Find and plot the power spectral density Pw (f ) of the signal. (c) Find the autocorrelation function of w(t) . [Hint: 2cosxcosy=cos(x+y)+cos(x-y); 2cos^2x=(1+cos2x)]

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