4. i) An input signal of an LTI system is assumed to be a rectangular pulse...

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Electrical Engineering

4. i) An input signal of an LTI system is assumed to be arectangular pulse sequence x[n] of length 2L samples. Representx[n] in terms of a unit step sequence and sketch x[n] if it turnson at n=0.

ii) Suppose the impulse response of the system is also arectangular pulse sequence h[n] of length L samples. Represent h[n]in terms of a unit step sequence and sketch h[n] if it turns on atn=0.

iii) Determine the x[n] * h[n] using the geometric seriesapproach

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