Constraint on ROC for Pole-Zero Pattern x(t) (a) (b) (c) (d) Fourier transform of x(t)e -' converges x(t) = 0, t> 10 Da(t) = 0, t<0

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Using the pole-zero lines graphically shown below, indicate
what the respective ROC should be for each case of x (t)
presented in the table.
Constraint on ROC for Pole-Zero Pattern
x(t)
(а)
(b)
(c)
(d)
(i) Fourier
transform
(а)
(b)
of x(t)e
Im
Im
converges
s plane
s plane
(ii) x(t) = 0,
t> 10
(iii) x(t) = 0,
t<0
Re
Re
Figure P20.3-1
Figure P20.3-2
(c)
(d)
Im
Im
s plane
X 2
s plane
Re
Re
Figure P20.3-3
Figure P20.3-4
Transcribed Image Text:Using the pole-zero lines graphically shown below, indicate what the respective ROC should be for each case of x (t) presented in the table. Constraint on ROC for Pole-Zero Pattern x(t) (а) (b) (c) (d) (i) Fourier transform (а) (b) of x(t)e Im Im converges s plane s plane (ii) x(t) = 0, t> 10 (iii) x(t) = 0, t<0 Re Re Figure P20.3-1 Figure P20.3-2 (c) (d) Im Im s plane X 2 s plane Re Re Figure P20.3-3 Figure P20.3-4
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