Mathematics, 13.03.2020 03:30 Ap621765
The sequence x(n) is obtained by sampling an analog signal with period T. From this signal a new signal is derived having the sampling period T/2 by use of a linear interpolation method described by the equation y(m) = ( x(m/2), m even 1 2 x mβ1 2 + x m+1 2 , m odd (a) Show that this linear interpolation scheme can be realized by basic digital signal processing elements. (b) Determine the spectrum of y(n) when the spectrum of x(n) is X(Ο) = 1, 0 β€ |Ο| β€ 0.2Ο 0, otherwise in [βΟ, Ο] (c) Determine the spectrum of y(n) when the spectrum of x(n) is X(Ο) = 1, 0.7Ο β€ |Ο| β€ 0.9Ο 0, otherwise in [βΟ,
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The sequence x(n) is obtained by sampling an analog signal with period T. From this signal a new sig...
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