Signals-and-systems Questions Set 18:
Find the value of h[n] * δ[n-3] (convolution).
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What is the result of double integration of the unit step function?
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If L{f(t)} = F(s), what is the Laplace transform of f(at)?
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The width of the resonance curve in an RLC network is determined by
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Find the Discrete Fourier Transform (DFT) of the discrete-time signal x(t) = {-4, 0, 2, 3} at k = 0.
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Which of the following systems is stable?
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A rectangular pulse can be represented in terms of the unit step function as:
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The function f(t) is defined as f(t) = r(t) - 2r(t-2). What is the area formed under the curve of f(t)?
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The function f(t) is defined as:
f(t) = u(t) + u(t+1) + u(t+2) + ... + u(t+n)
What does the function f(t) form?
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A direct-sequence spread spectrum system transmits at a rate of 1 kbps in the presence of a tone jammer. The jammer power is 20 dB greater than the desired signal, and the required Eb/N0 to achieve satisfactory performance is 10 dB. The spreading bandwidth required to meet the specifications is
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