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State duality property of Fourier Transform.
signals and systems updated 6.1 years ago by teamques10 ★ 69k
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Convolve the sequences shown in the following figure using circular convolution.
signals and systems updated 6.1 years ago by teamques10 ★ 69k
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Prove and explain time scaling and amplitude scaling property of continuous time Fourier Transform.
signals and systems updated 6.1 years ago by teamques10 ★ 69k
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1.9k
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Perform convolution of
signals and systems updated 6.1 years ago by teamques10 ★ 69k
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digital signal processing Posts
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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The impulse response of an LTI system
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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For a continuous time signal
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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Explain Gibbs phenomenon .Also explain conditions necessary for the convergence of Fourier Series.
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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Determine Fourier Series representation of the following signal
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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A second order LTI system is described by $\dfrac {d^2 y(t)}{dt^2} + 5\dfrac{dy(t)}{dt} + 6y(t)=x(t)$.
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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Convolve x[n] = $\frac{1}{3}^n$ u[n] with h[n] = $\frac{1}{2}^n$ u[n] using convolution integral.
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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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 6.2 years ago by teamques10 ★ 69k
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918
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Two LTI systems in cascaded have impulse response $h_1 [n]$ and $h_2 [n]$
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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Consider a continuous time LTI system described by $\dfrac {dy(t)}{dt} + 2y=x(t). $
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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For the given system, determine whether it is :
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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1.5k
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For the following system, determine whether it is
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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Determine the fundamental period of the following two signals.
signals and systems updated 6.2 years ago by teamques10 ★ 69k
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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 6.2 years ago by teamques10 ★ 69k
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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 6.2 years ago by teamques10 ★ 69k
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Determine the transfer function and the poles and zeros of the systems. Evaluate zero-state response to x(t) = u(t).
signals and systems updated 7.1 years ago by teamques10 ★ 69k
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16k
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State and prove the following properties of Fourier Transform
signals and systems updated 7.9 years ago by teamques10 ★ 69k
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3.1k
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Write a short note on the following with an example:
signals and systems updated 8.0 years ago by teamques10 ★ 69k
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2.0k
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Find the limiting probabilities.
signals and systems updated 8.0 years ago by teamques10 ★ 69k
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Prove that if input to memoryiess system is strict sense stationary (SSS) process then output is also strict sense stationary
signals and systems updated 8.0 years ago by teamques10 ★ 69k
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State and prove Chapman-Kolmogorov equation.
signals and systems updated 8.0 years ago by teamques10 ★ 69k
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