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Test: Continuous Time Fourier Transformer (CTFT)- 2 - Electrical Engineering (EE) MCQ


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10 Questions MCQ Test Topicwise Question Bank for Electrical Engineering - Test: Continuous Time Fourier Transformer (CTFT)- 2

Test: Continuous Time Fourier Transformer (CTFT)- 2 for Electrical Engineering (EE) 2024 is part of Topicwise Question Bank for Electrical Engineering preparation. The Test: Continuous Time Fourier Transformer (CTFT)- 2 questions and answers have been prepared according to the Electrical Engineering (EE) exam syllabus.The Test: Continuous Time Fourier Transformer (CTFT)- 2 MCQs are made for Electrical Engineering (EE) 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Continuous Time Fourier Transformer (CTFT)- 2 below.
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Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 1

If x(n) = (1/2)n u(n), y(n) = x2(n) and (e) be the fourier transform of y(n), then y(e0) is

Detailed Solution for Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 1


and 
⇒ 
then,

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 2

For a signal x(t), the fourier transform is X(f), then inverse fourier transform of x(3f + 2) is given by

Detailed Solution for Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 2


Apply scaling and shifting property.

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Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 3

The Fourier transform of given signal x(t)

Detailed Solution for Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 3

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 4

Fourier transform of x(t) = eat u (-t), a > 0 is

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 5

Determine the fourier transform of the signal x(t) shown in figure.

Detailed Solution for Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 5


⇒ 
⇒ 

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 6

Match List-I [Function f(t)] with List-II [Fourier transform F(ω)] and select the correct answer using the codes given below the lists:
List- I
A. f(t – t0)
B. f(t) ejω0t
C. f1(t) . f2(t)


List-ll
1. f(ω – ω0)
2.
3. 
4.
5.
Codes

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 7

Consider a continuous time low pass filter whose impulse response h(t) is known to be real and whouse frequency response magnitude is given by

Determine the value of h(t) if the group delay function is specified as t(ω) = 5.

Detailed Solution for Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 7

Since, 
0; otherwise
using duality property,

Since group delay is constant and 
So, 

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 8

Consider a signal x1(t) having a fourier transform x1(jω). An another signal x2(t) having fourier transform x2(jω) is related to x1 (t) by x2(jω) = [1 +sgn(ω)] x1(jω) x2(t) in terms of x1(t) is equal to

Detailed Solution for Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 8

Since, 
or, 

or, 
because,

using, Hilbert transform

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 9

A Fourier transform pair is as follows:


The Fourier transform of given signal y(t) is

Detailed Solution for Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 9


⇒ 

Test: Continuous Time Fourier Transformer (CTFT)- 2 - Question 10

Suppose; y(t) = x(t) cost
and 
then x(t) will be

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