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Convolution
(2006-04-12 05:56:46)
convolution-19.1 19.CONVOLUTION 19.1INTRODUCTION •Canbeusedtofindnormalinputreponsesforlinearsystems •Itismostusefulforfindinganoutputresponseforasystemgivenanarbitrary inputfunction •Itisalsothebasisforothermethodsthatcomelaterforsystemanalysis. 19.2UNITIMPULSEFUNCTIONS •Aunitimpulsefunction Topics: Objectives: convolution-19.2 •Foraunitstepfunction, ...[阅读全文]
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A/D D/A changing principle
(2006-04-12 05:53:31)
analogIO-13.113.ANALOGINPUTSANDOUTPUTS13.1INTRODUCTIONAnanalogvalueiscontinuous,notdiscrete,asshowninFigure13.1.Inthepreviouschapters,techniqueswerediscussedfordesigningcontinuoscontrolsystems.Inthischapterwewillexamineanaloginputsandoutputssothatwemaydesigncontinuouscontrolsystemsthatusecomputers.Figure13.1LogicalandContinuousValuesTypicalanaloginputsandoutputsforcomputersarelistedbelow.Actuators...[阅读全文]
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