Q. L[c1f1(t) + c2f2(t)] =

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Q. If a linear time invartant system is exicited by a pure random signal like white noise, the output of the linear system will have which of the following properties?

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Q. A signum function is

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Q. FIR filter Passes __________ Phase.

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Q. A trigonometric series has

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Q. If a number of odd functions are added, the resultant sum is

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Q. In what range should Re(s) remains so that Laplace transform of the function e^[(a + 2)t + 5] exists?

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Q. Which one of the following rules determines the mapping of s-plane to z-plane?

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Q. For the signum function sgn(t), F(jω) =

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Q. If a sequence is causal then ROC is (where a is any number)

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Q. If f1(t)<< F1(jω) and f2(t)↔ F2(jω), then [a1 f1(t) + a2f2(t)]↔

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Q. The signal x(t) = A cos (ω₀t + φ) is

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Q. The inverse Fourier transform of δ(t) is

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Q. Which one of the following is the correct statement of the system characterized by the equation y(t) = ax(t) + b?

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Q. The derivative of unit step function is

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Q. The coefficients Fn in the exponential form of Fourier series are

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

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Q. The function A e^(st) where s = s + jω represents

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Q. Half wave sysmmetry means f(t) = - f(t ± T/2).

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

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