Amplitude Modulation.Two signals m1(t) and m2(t) are to be transmitted simultaneously over a channel by thescheme shown in the Figure below.mi(t)|a(t)b(t)c(t)d(t)AMm2(t)2 cos(20000zt)(а)forms of m1(t).Assume m, (t) = 2000 sinc(2000t). Derive and Plot the Fourier trans-(b)Is m1 (t) periodic? if so, what is the period of m¡(t)?(c)What is the energy of m1(t)? Is m¡(t) an energy signal?Why?(d)What is the power of m1(t)? Is m1(t) a power signal? Why?(e)uses a carrier c(t) = cos(100007 t) and k =0.8.Derive and Plot the Fourier transforms of a(t). The AM modulation(f)of b(t).Assume m2(t)cos(2000nt)). Derive and Plot the Fourier transforms%3D(g)What is the bandwidth of b(t)?(h)Derive and Plot the Fourier transforms of c(t).(i)What is the bandwidth of c(t)?()Now assume that2.f| < 10000.H(f)0,10000 < |S| < 25000,A. IS| > 25000.Derive and Plot the Fourier transform of d(t).(k)Show whether or not we can recover m (t). if so how?

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Amplitude Modulation. Two signals m1(t) and m2(t) are to be transmitted simultaneously over a channel by the scheme shown in the Figure below. mi(t) a(t) b(t) (t) |d(1). AM + m2(t) 2 cos(20000zt) (a) forms of m1(t). Assume m,(t) = 2000 sinc(2000t). Derive and Plot the Fourier trans- (b) Is m1 (t) periodic? if so, what is the period of m¡(t)? (c) What is the energy of m1(t)? Is m¡(t) an energy signal?Why?

Amplitude Modulation. Two signals m1(t) and m2(t) are to be transmitted simultaneously over a channel by the scheme shown in the Figure below. mi(t) a(t) b(t) (t) |d(1). AM + m2(t) 2 cos(20000zt) (a) forms of m1(t). Assume m,(t) = 2000 sinc(2000t). Derive and Plot the Fourier trans- (b) Is m1 (t) periodic? if so, what is the period of m¡(t)? (c) What is the energy of m1(t)? Is m¡(t) an energy signal?Why?

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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