Problem

A discrete-time system is implemented as shown in Figure P6.44. The system S shown in th...

A discrete-time system is implemented as shown in Figure P6.44. The system S shown in the figure is an LTI system with impulse response

(a) Show that the overall system is time invariant.

(b) If is a lowpass filter, what type of filter does the system of the Figure implement?

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Solutions For Problems in Chapter 6

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