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sample_test2

# sample_test2 - y t when the input x t is x t = 10cos(10 t...

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ECEN 314 Sample Test #2 Georghiades Instructions : Exam is open-book, open notes. Please give your solution in the allocated space. If more space is needed, use the back of the page. All problems carry equal weight. 1. The Fourier transform, X ( f ), of a signal x ( t ) is given in the figure below: -1 1 1 X(f) f (a) Find the time-domain signal x ( t ) whose Fourier transform is X ( f ) in the figure above. (b) Compute the energy in x ( t ). (c) Find the value of x (0). Solution 1

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2. For the circuit below, find the sinusoidal steady-state response

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Unformatted text preview: y ( t ) when the input x ( t ) is: x ( t ) = 10cos(10 t + 30 ◦ ) + sin(20 t ) . Solution 1K W 100 m F y(t) x(t) +-+-2 3. Compute the complex Fourier series for the following signal: x ( t ) = 2cos(120 πt ) + 4cos((60 πt ) . Solution 3 4. Compute the Fourier transform of the following signal: x ( t ) = 4cos 2 (2 πf t ) . Solution 4 Scratch 5...
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sample_test2 - y t when the input x t is x t = 10cos(10 t...

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