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ECE :: Signals and Systems

Signals and Systems - Section 1
Signals and Systems - Section 2
Signals and Systems - Section 3
Signals and Systems - Section 4
Signals and Systems - Section 5
Signals and Systems - Section 6
Signals and Systems - Section 7
Signals and Systems - Section 8
Signals and Systems - Section 9
Signals and Systems - Section 10
Signals and Systems - Section-11

  1. If ξ f(t) = F(jω), ξf(t-a) =

    2. A.
    F(jω) e-jωa
    B.
    F(jω) ejωa
    C.
    D.
    a F(jω) ejωa

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  2. The two inputs to an analogue multiplier are x(t) and y(t) with fourier transforms X(f) and Y(f) respectively. The output Z(t) will have a transform Z(f) given by

    3. A.
    X(f). Y(f)
    B.
    X(f)+ Y(f)
    C.
    X(f) / Y(f)
    D.

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

    4. A.
    Power per Hz
    B.
    energy per Hz
    C.
    Power per sec
    D.
    Energy per second

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

    5. A.
    good stability
    B.
    poor stability
    C.
    stability not guarnteed
    D.
    poor stability

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  5. If v(t) = 0 for t < 0 and v(t) = e -at for t ≥ 0, V(jω) =

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