Q. In the given figure shows a periodic triangular wave. The Fourier series will have

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Q. If x^k is one sided to the right

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Q. A discrete LTI system is non-casual if its impulse response is

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Q. If f(t) is an odd function

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Q. The inverse z-transform of X(z) is

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Q. The impulse response of the DT - LTI system is given below.
Check whether the system is

1. Stable
2. Casual
3.Dynamic

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Q. For the single rectangular pulse of the given figure:
F(jω) = [Ad sin (ωd/2)]/(ωd/2).

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Q. If p is the probability of success and q is the probability of failure, then the probability that there are r successes in n trails is

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Q. A signal m(t) with bandwidth 500 Hz is first multiplied by a signal g(t) where g(t) ids given by below equation. The resulting signal is then passed through on ideal low pass filter with bandwidth 1 kHz. The output of the low pass filter would me

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Q. The Z.T. of sequence x[n] = aⁿ ∪ [n] is

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Q. The unit step response of a system is (1 - e^(at)) u(t). Then its impulse response is

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Q. The inverse Laplace transform of 1/(s - a)² is

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Q. Which one of the following digital filters does have a linear phase response?

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Q. cos(nω1t) =

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Q. Fourier transform of e^(-a|t|) is

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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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