A WSS zero-mean Gaussian process x(t) has autocorrelation R_(x)(\tau )=\sigma ^(2)e^(-|\tau (|)/(\tau _(0))) with \sigma ^(2)=4 and
\tau _(0)=0.5s.
aS_(x)(\omega ).
b|\omega |<=10ra(d)/(s).
cH(\omega )=(1)/(j\omega ) when a high-
pass cutoff \omega _(c)=0.5ra(d)/(s) is applied.
dS_(x)(\omega ) and shade the integrated bandpower region used in part (b).