For each time domain signal x(t) below, find its Fourier transform X(ƒ) X(j2f) and sketch the magnitude |Â(ƒ)]. It is often helpful to sketch x(t) first. (a) x(t) = 4sinc(3t - 2).
For each time domain signal x(t) below, find its Fourier transform X(ƒ) X(j2f) and sketch the magnitude |Â(ƒ)]. It is often helpful to sketch x(t) first. (a) x(t) = 4sinc(3t - 2).
Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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![For each time domain signal x(t) below, find its Fourier transform Â(f)
X(j2f) and sketch the magnitude |Â(f). It is often helpful to sketch r(t) first.
(a) x(t)
=
4sinc(3t - 2).
(b) r(t) = 51-3,2] (t).
(c) r(t) = -41-3,-2) (t) + 2tI-2,2] (t) + 41(2,3] (t).
Hint: Differentiation may be helpful.
(d) x(t) = 38(t − 2) — 8(t — 4).
(e) x(t) = 3 cos(60πt +) — 4 sin(70πt + ) − 2 (No need to sketch r(t) in this part.)
(f) x(t)
sinc(3t)sinc(4t).
=
=](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fa98117fc-4537-4efb-9016-9993926a8208%2Ff8214f99-4bc0-4dc8-93bc-c726373dc235%2Fch7ofmf_processed.png&w=3840&q=75)
Transcribed Image Text:For each time domain signal x(t) below, find its Fourier transform Â(f)
X(j2f) and sketch the magnitude |Â(f). It is often helpful to sketch r(t) first.
(a) x(t)
=
4sinc(3t - 2).
(b) r(t) = 51-3,2] (t).
(c) r(t) = -41-3,-2) (t) + 2tI-2,2] (t) + 41(2,3] (t).
Hint: Differentiation may be helpful.
(d) x(t) = 38(t − 2) — 8(t — 4).
(e) x(t) = 3 cos(60πt +) — 4 sin(70πt + ) − 2 (No need to sketch r(t) in this part.)
(f) x(t)
sinc(3t)sinc(4t).
=
=
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