Q4 A single tone modulating wave m(t) = Amcos2n fmt is used to generate the VSB modulated (3) wave: s(t) = aAmAc cos{2m(fe + fm)t} + (1 – a)AmAç cos{2#(fc – fm)t}, where a is a constant (a < 1), Aç : amplitude of carrier, fc: frequency of carrier. (a) Express s(t) in the form of I(t)cos(2nfct) + Q(t)sin(2nfct), where 1(t) and Q(t) are called in-phase and quadrature components. (b) What will be the value of a for which s(t) reduces to a DSBSC modulated wave?

Q4 A single tone modulating wave m(t) = Amcos2n fmt is used to generate the VSB modulated (3) wave: s(t) = aAmAc cos{2m(fe + fm)t} + (1 – a)AmAç cos{2#(fc – fm)t}, where a is a constant (a < 1), Aç : amplitude of carrier, fc: frequency of carrier. (a) Express s(t) in the form of I(t)cos(2nfct) + Q(t)sin(2nfct), where 1(t) and Q(t) are called in-phase and quadrature components. (b) What will be the value of a for which s(t) reduces to a DSBSC modulated wave?

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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