fb7_1

fb7_1 - PROBLEM 7.1 KNOWN: £0) = .5m 2n mV FIND: Convert...

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Unformatted text preview: PROBLEM 7.1 KNOWN: £0) = .5m 2n mV FIND: Convert to a discrete time series and plot SOLUTION The signal is converted to a discrete time series for sample time increments of 0-125, 030, and 0.75 s and plotted below. The time increment of 0.75 5 fails the Sampling theorem criterion and the effect can be seen as an apparent change in the signal frequency content. V, ‘ I . 11 i 2’ l .._.__ z og—J’D—P—I—J—F“ I Q l m _1 i I -2 i I -3 I I I I I I I I I -4 i -5 . . O 0.5 I 1.5 2 2.5 3 3.5 4 m: [s] 2 .5 TIME [S] 2 1.5 ’. I'll-Ill 4.5 0.5 I 5! = 0.753 ...
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fb7_1 - PROBLEM 7.1 KNOWN: £0) = .5m 2n mV FIND: Convert...

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