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Preguntas del test (6)
1If a system produces frequencies in the output are not present in the input, then the system
cannot be- AMinimum phase system
- BLinear shift invariant
- CStable and causal
- DStable and linear
2In eddy current damping system, the disc employed should be of
- AConducting and magnetic material
- BConducting but non-magnetic material
- CMagnetic but non-conducting material
- DNon-conducting and non-magnetic material
3Which of the following can act as in inverse transducer?
- ALVDT
- BStrain
- CPiezo electric crystal
- DBimetal strip
4Consider a discrete time accumulator system y[n] = Σ{k=-∞ to n} x[k] and the backward difference system y[n] = x[n -1] where x[.] represents the input and y[.] represents the output of the individual systems.
When these two systems are cascaded as in figure, the impulse response of combined system with output z[n] is
- AUnit impulse sequence
- BUnit step sequence
- CUnit ramp sequence
- DNone of the above
5Consider a continuous time system A, modeled by the equation y(t) = tx(t) + 4 and a discrete time system B modeled by the equation y[n] = x^2[n] . These systems are
- AA-time invariant and B-time invariant
- BA-time varying and B-time invariant
- CA-time invariant and B-time varying
- DA time varying and B-time varying
6Ideal low pass filter as a discrete time system is
- ACausal, realizable
- BNon causal, physically/computationally unrealizable
- CNon causal, physically realizable
- DNone of the above
Información
- Descripción
- IES Electronics Test sobre Sin título, creado por dy4india el 16/02/2016.
- Autor
- dy4india
- Idioma
- English
- Visitas
- 1
- Etiquetas
- Valoración
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