# A continuous-time periodic signal has fundamental period T=8. The non-zero Fourier series coefficients are, X [1] =X*[-1] =j, X [5] =X [-5] =2 The signal will be

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4.  None of these.

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None of these.

Explanation :
No Explanation available for this question

# X[k] is shown in the figure below.

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Explanation :
No Explanation available for this question

# Consider a signal x[n] with the following facts: X[n] is a real and even signal The period of x[n] is N=10 X[11]=5 The signal x[n] is

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Explanation :
No Explanation available for this question

# The inverse Fourier transform of X (jω) =2Πδ(ω)+Πδ(ω-4Π)+Πδ(ω+4Π) is

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Explanation :
No Explanation available for this question

# The inverse Fourier transform of X (j) =e-2|ω|

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4.  None of these.

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Explanation :
No Explanation available for this question

# A causal LTI filter has the frequency response H(jω) shown in figure for the input signal x(t) =e-jt, output will be

1.  -2je-jt

2.  2je-jt

3.  4Πje-jt

4.  -4Πje-jt

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2je-jt

Explanation :
No Explanation available for this question

# A casual and stable LTI system has the property that The frequency response H(ejΩ) for this system is

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Explanation :
No Explanation available for this question

# A casual and stable LTI system has the property that The difference equation for this system relating any input x[n] and the corresponding output y[n] is

1.  3y[n]-2y[n-1] =2x[n]

2.  3y[n]-2y[n-1] =2x[n-1]

3.  3y[n]-2y[n+1] =2x[n+1]

4.  3y[n]-2[y+1] =2x[n].

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3y[n]-2y[n-1] =2x[n-1]

Explanation :
No Explanation available for this question

# A casual and stable LTI system has the property that The Z-transform of a signal is given by

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2.  0

3.  1.0

4.  ∞.

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1.0

Explanation :
No Explanation available for this question

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