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Find energy and power of x(t)=8cos(4t)cos(6t)
signals and systems updated 3.4 years ago by sagarkolekar ★ 11k
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442
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Derive the relationship between DTFS and DTFT for periodic signal.
signals and systems updated 3.4 years ago by Pranjal___ • 20
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391
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Signal and system
signals and systems updated 3.4 years ago by ridwanbadm716 • 30
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478
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Signals and System
signals and systems updated 3.3 years ago by geetha12879 • 20
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How will you obtain z-transform of the discrete time signal x(nT), from Laplace transform of sampled version of x(t) , using z=$e^{st}$.
signals and systems updated 3.3 years ago by sagarkolekar ★ 11k
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394
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Find the Correlation of the given signals
signals and systems updated 3.1 years ago by teamques10 ★ 69k
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Determine inverse Z transform for the following functions :
signals and systems updated 6.3 years ago by teamques10 ★ 69k
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732
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What is the general condition for stability of a discrete time LTI system in z-domain ?
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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785
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Determine h(n) for all possible ROC conditions.
signals and systems updated 6.3 years ago by teamques10 ★ 69k
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Consider the analog signal x(t) = 5 cos50$\pi$t + 2 sin200$\pi$t - 2 cos100$\pi$t. Determine the minimum sampling frequency and the sampled version of analog signal at this frequency.
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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Find the convoultion of the sequences x1(n) = x2(n) = {1,1} using convolution property of Fourier transform.
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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621
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State the sampling theorem. Discuss the effects of aliasing in frequency spectrum.
signals and systems updated 3.1 years ago by sagarkolekar ★ 11k
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992
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Sketch its amplitude and phase spectrum.
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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How will you map any point on s-plane to z-plane.
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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Explain Gibbs phenomenon. Also explain conditions necessary for the the convergence of fourier series.
signals and systems updated 2.8 years ago by sagarkolekar ★ 11k
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Using Laplace transform determine the complete response of the system descrbed by the equation,
signals and systems updated 2.8 years ago by sagarkolekar ★ 11k
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991
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Find the autocorrelation function of the equation.
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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Determine Fourier Series representation of the following signal
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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768
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Find the natural response of the system described by the equation :
signals and systems updated 2.9 years ago by sagarkolekar ★ 11k
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1.6k
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State and prove following properties of Fourier transform. 1] Time shifting. 2] Convolution in time domain.
principles of communication network signals and systems updated 3.3 years ago by pedsangini276 • 4.8k
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A continuous time LTI system for which the imput x(t) and output y(t) are related by the differential equation :
signals and systems updated 3.1 years ago by sagarkolekar ★ 11k
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770
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Obtain inverse Laplace transform of $ X(s)=\frac{4}{(s+1)(s+2)^{2}} $ for all possible ROC conditions.
signals and systems updated 3.1 years ago by sagarkolekar ★ 11k
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727
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Find the transfer function of a system having its unit step response given as : s(t) = t u(t) + sin(t) u(t)
signals and systems updated 3.0 years ago by sagarkolekar ★ 11k
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687
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A discrete time LTI system is specified by
signals and systems updated 3.1 years ago by sagarkolekar ★ 11k
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Determine the trigonometric form of fourier series for the signal shown in the figure :
signals and systems updated 6.3 years ago by teamques10 ★ 69k
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