Unformatted text preview: o the input x[n]. Determine the transfer function of the DT system. (b). For question (a), determine the impulse response of the DT system. What kind of signal cannot go through this DT system? ⎧
⎪ x[n / 2], n even be the up‐sampled signal of x[n]. Determine the z‐transform of y[n]. (c). Let y[n] = ⎨
⎪ 0,
n odd
⎩
(d). Given the magnitude spectrum of x(t) shown below, draw the corresponding magnitude spectrum of x[n] and y[n]. Inverse z‐transform Q5.Sketch the pole‐zero plot, determine all possible ROCs and determine all the corresponding inverse z‐
transforms of X(z) = 7 + 3.6z −1
1 + 0.9z −1 + 0.18z − 2 . Which x[n] should we choose, if we know x[n] is the impulse response of a causal filter? Pole‐zero plot, property of R...
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This note was uploaded on 02/13/2013 for the course ELEC 3100 taught by Professor Song during the Spring '13 term at Huazhong University of Science & Tech.
 Spring '13
 SONG

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