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4.2k
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Determine the z transform & the ROC of the discrete time signal. $X[n] = \{ 2, 10, 1, 2, 5, 7, 2\}$
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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Determine the inverse z-transform for the function: $ X[z] = \dfrac {z^2+z}{z^2-2z+1}\space ROC|z| > 1$
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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State and discuss the properties of the region of convergence for z-transform.
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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An LTI system is characterized by the system function:$ H(z) = \dfrac {z}{(z-\frac 14)(z+\frac14)(z-\frac12)}$
signals and systems updated 6.5 years ago by teamques10 ★ 70k
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Calculate z-transform of the following signal:
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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Convolve $x[n] = (\dfrac {1^n}3 )u[n]$ with $h[n] = (\dfrac {1^n}2 )u[n]$ using convolution sum formula and verify your answer using z-transform.
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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A system is described by the following difference equation. Find out its transfer function H(z).
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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4.7k
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Compare the nature of ROC of z transform and Laplace transform.
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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12k
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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 8.6 years ago by teamques10 ★ 70k
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3.3k
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Using the z transform, solve the difference equation and find out impulse response. $Y[n] - 2y[n-1] + y[n-2] = x[n] + 3x [n-3]$
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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State and explain different properties of ROC of z transform.
signals and systems updated 8.6 years ago by teamques10 ★ 70k
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find initial value of, f(t)= 20-10t-e-25t verify using initial value theorem.
signals and systems updated 3.2 years ago by pedsangini276 • 4.8k
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3.4k
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Prove time shifting property of Z transform
signals and systems updated 3.5 years ago by teamques10 ★ 70k
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2.9k
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Explain path loss model.
signals and systems updated 4.0 years ago by teamques10 ★ 70k
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861
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Write short note on any two path loss models
signals and systems updated 4.0 years ago by teamques10 ★ 70k
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1.6k
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Show that for LTI discrete time system, the inverse z-transform of transfer function is the impulse response of the system
signals and systems updated 3.1 years ago by RahulkumarTivarekar • 110
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3.7k
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Determine the impulse response for the cascade of two LTI systems having impulse responses
signals and systems updated 3.3 years ago by kadamniraj195 • 30
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640
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State and explain significance of initial & find value theorems. (Network Analysis)
signals and systems updated 3.2 years ago by pedsangini276 • 4.8k
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1.9k
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Perform convolution of
signals and systems updated 3.2 years ago by sagarkolekar ★ 11k
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2.3k
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For an LTI system with stochastic input prove that autocorrelation of output is given by convolution of cross-correlation(between input-output) and LTI system impulse response.
signals and systems updated 3.2 years ago by sagarkolekar ★ 11k
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641
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Obtain Fourier series of the following full wave rectified sine wave shown in figure,
signals and systems updated 2.4 years ago by prajapatijaimin • 3.3k
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523
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Determine whether the following systems are stable or not $y(n)=3 x(n)$.
signals and systems updated 2.4 years ago by prajapatijaimin • 3.3k
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2.3k
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Find the trigonometric Fourier series for the periodic signal x(t) as shown in Figure,,
signals and systems updated 2.4 years ago by prajapatijaimin • 3.3k
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21k
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State and prove Chapman-Kolmogorov equation.
signals and systems updated 2.6 years ago by sagarkolekar ★ 11k
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556
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Find exponential series for the signal shown in figure,
signals and systems updated 2.4 years ago by prajapatijaimin • 3.3k
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