4.3 Repeat Example 4.1, but using the function f(t) = A for 0 < t

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4.3 Repeat Example 4.1, but using the function f(t) = A for 0 < t <T and
f(t) = 0 for all other values of t. Explain the reason for any differences between
your results and the results in the example.
EXAMPLE 4.1: Obtaining the Fourier transform of a simple continuous function.
The Fourier transform of the function in Fig. 4.4(a) follows from Eq. (4-20):
8
F(μ) = √ ƒ(t)e-²µ³ d
=
e-j2μt] W/2
-W/2
A
2πμ
A
W
AW sin(μW)
(лμW)
-e
W/2
=
Ae-j2πμt dt
-W/2
-A
2πμ
=
Transcribed Image Text:4.3 Repeat Example 4.1, but using the function f(t) = A for 0 < t <T and f(t) = 0 for all other values of t. Explain the reason for any differences between your results and the results in the example. EXAMPLE 4.1: Obtaining the Fourier transform of a simple continuous function. The Fourier transform of the function in Fig. 4.4(a) follows from Eq. (4-20): 8 F(μ) = √ ƒ(t)e-²µ³ d = e-j2μt] W/2 -W/2 A 2πμ A W AW sin(μW) (лμW) -e W/2 = Ae-j2πμt dt -W/2 -A 2πμ =
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