Q. Assertion (A): The wave shown in the given figure does not contain the dc component and even harmonics.

Reason (R): If f(- t) = f(t) the wave has only cosine terms.

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Q. If £ f(t) = F(jω), then

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Q. If n is the number of observations and r is the residue, the standard deviation σ =

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Q. Consider these tow statements and answer follow:

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Q. Consider following statements:

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Q. Consider below given statements:

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Q. The z transform of fk = a^k is

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Q. In the given figure f(t) is an even function.

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Q. Which of the following is not true for impulse function δ(t)?

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Q. In the given figure the phase angle of Fn is either 0 or Π.

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Q. For the function f(t) = e^(-at), the Laplace transform is

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Q. The Z inverse of the given Z transform is

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Q. Consider the following two statements :

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Q. Consider the following two statements :

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Q. If x(z) is the Z transform of sequence xk, the z transform of sequence (kxk)is

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Q. If Sn is the power associated with each frequency component and S(f) is the sum of all these powers, normalised power spectral density is

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Q. For the signal in the given figure the Fourier transform is 2sinωΤ₁, then the Fourier transform of the signal in the given figure

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Q. Let x(t) ↔ X(jω) be F.T pair. The Fourier transform of the signal x(5t - 3) in terms of X(jω) is given as

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Q. Assertion (A): The Fourier series of the wave shown in the figure does not contain even harmaonics.

Reason (R): If f(t) = - f(t ± T/2) the function is said to have half wave symmetry.

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Q. The following table gives some time functions and the Laplace transforms. Of these correctly matched pairs are

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