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Signals And Systems

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Find circular convolution and linear using circular convolution for the following sequences x1(n) = {1, 2, 3, 4} and x2(n) = {1, 2, 1, 2}. Using Time Domain formula method.
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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Determine the fundamental period of the following signals.
signals and systems updated 8.8 years ago by teamques10 ★ 70k
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Determine whether the signals are power or energy signals. Calculate energy/power accordingly:
signals and systems updated 5.2 years ago by teamques10 ★ 70k
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32k
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The joint probability function
signals and systems updated 5.5 years ago by teamques10 ★ 70k
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For x(n)={2 3 4 5 1 3}, plot the following Discrete Time signals.
signals and systems updated 2.8 years ago by karthikrajsi427 • 10
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Define an ergodic process. Determine whether the stochastic process X(t) = Asin(t) + Bcos(t) is ergodic. Here A& B are normally distributed independent r.vs with zero mean and equal standard deviation
signals and systems updated 9.1 years ago by teamques10 ★ 70k
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Determine whether the signals are power or energy signals. Calculate energy/power accordingly.
signals and systems updated 8.8 years ago by teamques10 ★ 70k
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State and prove Chapman-Kolmogorov equation.
signals and systems updated 2.8 years ago by sagarkolekar ★ 11k
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Determine the inverse z transform of the function using Residue method $X(z)=\dfrac {3-2z^{-1}+z^{-2}}{1-3z^{-1}+2z^{-2}}$
signals and systems updated 8.7 years ago by teamques10 ★ 70k
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State and explain different properties of ROC of z transform.
signals and systems updated 8.7 years ago by teamques10 ★ 70k
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19k
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Find out even and odd component of the following signal
signals and systems updated 8.8 years ago by teamques10 ★ 70k
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18k
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State and prove Total Probability theorem and Bayes theorem?
signals and systems updated 9.1 years ago by teamques10 ★ 70k
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18k
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Give the properties of CDF, pdf, and PMF.
signals and systems updated 8.5 years ago by teamques10 ★ 70k
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$x[n] = u[n] - u[n - 5].$ Sketch even and odd parts of x[n].
signals and systems updated 8.8 years ago by teamques10 ★ 70k
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State and prove the following properties of Fourier Transform
signals and systems updated 8.4 years ago by teamques10 ★ 70k
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15k
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Determine power and energy for the following signals $ (i) x (t) = 3 \cos 5 \Omega t.$ $(ii) x[n] = (\dfrac 14)^n u[n] $
signals and systems updated 6.6 years ago by teamques10 ★ 70k
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15k
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State and prove duality property of Fourier transform.
signals and systems updated 3.7 years ago by teamques10 ★ 70k
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A discrete time signal is given by $x[n] = \{1, 1, 1, 1, 2\}.$ Sketch the following signals.
signals and systems updated 8.8 years ago by teamques10 ★ 70k
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Explain the properties of cross correlation function.
signals and systems updated 8.4 years ago by teamques10 ★ 70k
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13k
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State and explain various properties of autocorrelation function and power spectral density function.
signals and systems updated 9.1 years ago by teamques10 ★ 70k
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Using the z transform method, solve the difference equation $Y[n] - 4y[n-1]+ 4y[n-2] = x[n]- x[n-1] \\ \text {When } \space y(-1) = y(-2) = 0$
signals and systems updated 8.7 years ago by teamques10 ★ 70k
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12k
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State duality property of Fourier Transform.
signals and systems updated 6.6 years ago by teamques10 ★ 70k
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10k
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State and discuss the properties of the region of convergence for z-transform.
signals and systems updated 8.7 years ago by teamques10 ★ 70k
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10k
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A causal LTI system is described $y[n] = \dfrac 34y[n-1]-\dfrac 18 y[n-2]+x[n].$Where y[n] response of the system and x[n] is excitation to the system.
signals and systems updated 8.8 years ago by teamques10 ★ 70k
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Determine the fundamental period of the following signals: (i) $x(t)=\cos (\frac \pi3t)+\sin(\frac \pi4t)$ (ii) $x[n] = \cos^2[\dfrac \pi an]$
signals and systems updated 6.6 years ago by teamques10 ★ 70k
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