Q. If X(z) = 2az¯¹/(1 - az¯¹)³ and |a| < |z|, then the initial value x₀ is

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Q. The Nyquist sampling interval, for the signal sinc (700t) + sinc (500t) is

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Q. The integral of a unit impulse is

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Q. The z-transform of sequence x[n] = δ(n) is

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Q. State variable formulation is very suitable for computer solution.

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Q. When a complex voltage wave is applied to a capacitor the resulting current wave is more distorted than the voltage wave.

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Q. Fourier transform of non periodic DT signal is

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Q. The Fourier transform of f(t) = cos ω₀t is

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Q. The units of the spectrum obtained be Fourier transforming the covariance function of a stationery Stochastic Process is

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Q. FIR digital filter having __________ stability than FIR filter.

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Q. A voltage v(t) which is a gaussian ergodic random process witha mean of zero and a varance of 4 volt² is measured by a meter which first square and then reads its dc component. The reading will be

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Q. L [f(t - a)] = F(jω) e^(-jωa)

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Q. The integral of k δ(t) is

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Q. The integral of unit step function is a ramp of slope unity.

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Q. Which one of the systems described by the following I/P - O/P relations is time invariant

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Q. Fourier transform is defined for

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Q. F.T. of continuous non-periodic signal is

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Q. Inverse Fourier transform of '1' is

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Q. Pick out the odd one

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Q. X and Y are two random variables and Z = X + Y . Letmz, mz, mx, my represent mean of Z, X and Y. Then

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