Suppose you want to find a reasonable sampling period T s for the non causal exponential x(t) e t (a) Find the Fourier transform of x(t), and plot X() Is x(t) band limited Use the symbolic function fourier to find the Fourier transform (b) Find a frequency 0 so that 99 of the energy of the signal i...

a The Fourier transform is xt is not bandlimited the freq ...

Suppose you want to find a reasonable sampling period T s for the non-causal exponential x(t)= e

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Suppose you want to find a reasonable sampling period T_s for the non-causal exponential x(t)= e^−|t|.

(a) Find the Fourier transform of x(t), and plot |X(Ω)|. Is x(t) band-limited? Use the symbolic function fourier to find the Fourier transform.

(b) Find a frequency Ω₀ so that 99% of the energy of the signal is in –Ω_o ≤ Ω ≤ Ω_o.

(d) Determine the magnitude and bandwidth of an anti-aliasing filter that would change the original signal into the band-limited signal with 99% of the signal energy.

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Signals and Systems using MATLAB

ISBN: 978-0123948120

2nd edition

Authors: Luis Chaparro

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Question Posted: Dec 28, 2018 11:40 AM

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Suppose you want to find a reasonable sampling period T s for the non-causal exponential x(t)= e

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Signals and Systems using MATLAB

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