Page 25 - Schaum's Outline of Theory and Problems of Signals and Systems
P. 25

SIGNALS AND SYSTEMS                            [CHAP. 1



























































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                                                     *
                                               0
                                  . . .                                   . . .
                                                                             b
                                                                             n


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                                                              b
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               Fig. 1-12  Real exponential sequences. (a) a > 1; (b) 1 > a > 0; (c) 0 > a > - 1; (dl a < - 1.
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