The determine-time Fourier-coefficients X[k] for will be will be

1.  

2.  

3.  

4.  

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4
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X[k] is shown in the figure below

1.  

2.  

3.  

4.  

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4
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Explanation :
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Given a periodic signal x[n] with period N and Fourier series coefficients X[k] The Fourier series coefficients Y[k] of the signal y[n]=x[n-n0] will be

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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The Fourier series coefficients Y[k] of the signal y[n]=x[n]-x[n-2] will be

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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Given a discrete-time period signal With period N=10.Also y[n]=x[n]-x[n-1] The fundamental period of y[n] are

1.  9

2.  10

3.  11

4.  None of these.

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4
Correct Answer :

10


Explanation :
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Given a discrete-time period signal With period N=10.Also y[n]=x[n]-x[n-1] The Fourier series coefficients of y[n] are

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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Each of two sequence x[n] and y[n] has a period N=4. The Fourier series coefficient are X[0] =X[3]=1/2X[1]=1/2X[2]=1 And Y [0], Y [1], Y[2], Y[3]=1 The Fourier series coefficient Z[k] for the signal z[n]=x[n]y[n] will be

1.  6

2.  6|k|

3.  6|k|

4.  

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4
Correct Answer :

6


Explanation :
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The Fourier transform of the function Sgn(t) defined in the figure is

1.  

2.  

3.  

4.  

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4
Correct Answer :


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The inverse transform of

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
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which one of the following is the Fourier transform of the signal given in fig.ii, if the Fourier transform of the signal in fig.1 is given by

1.  

2.  

3.  

4.  

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4
Correct Answer :


Explanation :
No Explanation available for this question
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