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6. We have a signal
x(n) = xa(t)]1=nT;
t=nT1
where T1
7 msec, and we wish to convert x(n) to y(m) such that
y(m) = xa(t)]t=mT2
with T, = 5 msec. Develop a system to do this, being sure to specify the frequency re-
sponse of any filters that are used (ideal responses are okay). Are there any restrictions
on xa(t) that should be imposed so that this is possible?

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