Consider a continuous time system A, modelled by the equation y(t) = t.x(t) + 4 and a discrete time system B modelled by the equation y[n] = x2[n]. These systems are
A. A-time invariant and B-time invariant
B. A-time varying and B-time invariant
C. A-time invariant and B-time varying
D. A-time varying and B-time varying
Answer: Option B
This Question Belongs to Electronics And Communications Engineering >> Signal Processing
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The Fourier transform of a real valued time signal has
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B. Even symmetry
C. Conjugate symmetry
D. No symmetry
A. $$V$$
B. $${{{T_1} - {T_2}} \over T}V$$
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D. $${{{T_1}} \over {{T_2}}}V$$
A. $$T = \sqrt 2 {T_s}$$
B. T = 1.2Ts
C. Always
D. Never
A. $${{\alpha - \beta } \over {\alpha + \beta }}$$
B. $${{\alpha \beta } \over {\alpha + \beta }}$$
C. α
D. β
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