Which periodic signal x(t) with fundamental frequency 2n, has the Fourier coefficients: ao = 2, a = a_1 = 0.25, az = a_2 = 0.75, az = a_3 = 0.45,

Linear Algebra: A Modern Introduction
4th Edition
ISBN:9781285463247
Author:David Poole
Publisher:David Poole
Chapter7: Distance And Approximation
Section7.4: The Singular Value Decomposition
Problem 51EQ
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Which periodic signal x(t) with fundamental frequency 27, has the Fourier coefficients:
az = a_3 = 0.45,
ao = 2,
a1 = a_1 = 0.25,
az = a_2 = 0.75,
x(t) = 2+0.5 cos(2 nt) +1.5 cos(4 tt) +0.9 cos(6 tt)
x(t) = 2+cos(2 t) +2 cos(4 t) +0.9 cos(6 mt)
x(t) = 2+cos(2 t)+ 1.5 cos(3 t) +0.9 cos(6 t)
x(t) = 2+0.5 cos(3 nt)+ 1.5 cos(4 t) +0.9 cos(7 t)
Transcribed Image Text:Which periodic signal x(t) with fundamental frequency 27, has the Fourier coefficients: az = a_3 = 0.45, ao = 2, a1 = a_1 = 0.25, az = a_2 = 0.75, x(t) = 2+0.5 cos(2 nt) +1.5 cos(4 tt) +0.9 cos(6 tt) x(t) = 2+cos(2 t) +2 cos(4 t) +0.9 cos(6 mt) x(t) = 2+cos(2 t)+ 1.5 cos(3 t) +0.9 cos(6 t) x(t) = 2+0.5 cos(3 nt)+ 1.5 cos(4 t) +0.9 cos(7 t)
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