2. The signal x(t) has trigonometric Fourier series form x(t) - 1- (2(m -- 1) + 1 cos(2(n-1) + 1)w,t) .w.- 2f.. T, - 2 sec The component of fundamental frequency for the signal x(t) i - A 0 B. C. D. 1- E F. None of the above

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ورقة الأسئلة )3-2)
2. The signal x(t) has trigonometric Fourier scries form
x(t) = 1-;
(2(n = 1) + 1}8 cOs(2(n – 1) + 1)w,t) w, - 2af,. T. - 2 sec
The component of fundamental frequency for the signal x(t) is-
A. 0
B.
1.
C.
D. 1-
64
E.
2n
F. None of the above
3. The signal x(t) has Fourier transform form is X(w) =
then
So+ jw
R (0) is equal
-joule
A. 100
В. 10
C.I
D.0.1
E. 0.01
F. None of the above
4. The output of a system in response to an input x(t) = e-7u(t) is
y(t) = e 6fu(t). The impulse response of this system is h(t) =
A. 8(t)
В. и (?)
C. u(t)et
D. 8(t) – u(t)e t
E. u(t) – u(t)e-t
F. None of the above
2-3
Transcribed Image Text:ورقة الأسئلة )3-2) 2. The signal x(t) has trigonometric Fourier scries form x(t) = 1-; (2(n = 1) + 1}8 cOs(2(n – 1) + 1)w,t) w, - 2af,. T. - 2 sec The component of fundamental frequency for the signal x(t) is- A. 0 B. 1. C. D. 1- 64 E. 2n F. None of the above 3. The signal x(t) has Fourier transform form is X(w) = then So+ jw R (0) is equal -joule A. 100 В. 10 C.I D.0.1 E. 0.01 F. None of the above 4. The output of a system in response to an input x(t) = e-7u(t) is y(t) = e 6fu(t). The impulse response of this system is h(t) = A. 8(t) В. и (?) C. u(t)et D. 8(t) – u(t)e t E. u(t) – u(t)e-t F. None of the above 2-3
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