Subject : Communication Systems a) Consider a signal m(t) = cos @,t; illustrate the effect of under-sampling m(t) for a sampling rate3of f, =-i.Show the results in frequency domain and state the effect that occurs due to this under-sampling.ii.Sketch the output from the sampled signal if we use a LPF with cutoff frequency f. =2b) The spectrum M(f) of a bandpass signal m(t) is shown in the figure below. Sketch the ideallysampled signal for sampling frequency f,= 25 kHz, 45 kHz and 50 kHz. (clearly mention thefrequencies on the axis)i.For each case, justify properly, whether it's possible to recover the original signal fromthe sampled version or not.Indicate the filter and cutoff frequencies of the corresponding filter used forreconstruction.ii.MS)25- 1515 25S (kHz)

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a) Consider a signal m(t) = cos @,t; illustrate the effect of under-sampling m(t) for a sampling rate 3 of f, = fo- i. Show the results in frequency domain and state the effect that occurs due to this under- sampling. Sketch the output from the sampled signal if we use a LPF with cutoff frequency f. = 2 ii.

a) Consider a signal m(t) = cos @,t; illustrate the effect of under-sampling m(t) for a sampling rate 3 of f, = fo- i. Show the results in frequency domain and state the effect that occurs due to this under- sampling. Sketch the output from the sampled signal if we use a LPF with cutoff frequency f. = 2 ii.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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