A linear time$-$invariant filter has system function

$16)$

$4$

$20($

$3200$

$120$

$()$

$2$

$2$

$+$

$+$

$+$

$$

$=$

s

s

s

s

H s

$($a$)$ Express the frequency response H$($ j$)$ as a product of a gain and first and second order

terms in the standard form. $(4$ points$)$

$($b$)$ Give expressions for the magnitude response $|$ H$($ j$)|$ and the phase response $$H$($ j$).(4$

points$)$