The information signal is modeled as a random process a(t) with maximum amplitude A and correlation function
Assuming A = 6 V and f0 = 1 Hz, evaluate the following points.
a) Give a graphical representation of the correlation function ra(τ).
b) Evaluate the power spectral density Pa(f ) and give its graphical representation.
c) Determine the number of quantization levels L needed to guarantee a value of q greater than 60 dB.
d) Assume that the signal is sampled (considering a conventional bandwidth corresponding to an attenuation of 24 dB of its PSD) and quantized by the quantizer considered at the previous point. Evaluate the corresponding bit rate Rb.