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Sampling and Reconstruction

Sampling and Reconstruction

Sampling and Reconstruction The impulse response of an continuous-time ideal low pass filter is the inverse continuous Fourier transform of its frequency response Let H lp (jw) be the frequency response of the ideal low-pass filter with the cut-off frequency being w s /2.

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1.85k views • 74 slides
Sampling and Reconstruction

Sampling and Reconstruction

Sampling and Reconstruction The impulse response of an continuous-time ideal low pass filter is the inverse continuous Fourier transform of its frequency response Let H lp (jw) be the frequency response of the ideal low-pass filter with the cut-off frequency being w s /2.

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751 views • 74 slides
DC Response

DC Response

DC Response. Discrete-time Fourier Transform x [ n ] ? X ( e jw ) When w =0, the complex exponential e ?jw becomes a constant signal, and the frequency response X ( e jw ) is often called the DC response when w =0.

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947 views • 67 slides
Z-Transform

Z-Transform

Z-Transform. Fourier Transform z-transform. Z-Transform (continue). Z-transform operator: The z-transform operator is seen to transform the sequence x [ n ] into the function X { z }, where z is a continuous complex variable. From time domain (or space domain, n-domain) to the z-domain.

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1.13k views • 61 slides
Analysis of Discrete Linear Time Invariant Systems

Analysis of Discrete Linear Time Invariant Systems

y(n). X(n). system. the behavior or response of a linear system to a given input signal .

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318 views • 10 slides

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