Filtry cyfrowe teoria.pdf

DigitalFilterDesign

By:

DouglasL.Jones

DigitalFilterDesign

By:

DouglasL.Jones

Online:

<http://cnx.org/content/col10285/1.1/>

CONNEXIONS

RiceUniversity,Houston,Texas

'2008DouglasL.Jones

ThisselectionandarrangementofcontentislicensedundertheCreativeCommonsAttributionLicense:

http://creativecommons.org/licenses/by/2.0/

TableofContents

OverviewofDigitalFilterDesign..................................................................1

1FIRFilterDesign

1.1LinearPhaseFilters.........................................................................3

1.2WindowDesignMethod.....................................................................7

1.3FrequencySamplingDesignMethodforFIR lters...........................................9

1.4Parks-McClellanFIRFilterDesign.........................................................11

1.5LagrangeInterpolation.....................................................................18

Solutions........................................................................................19

2IIRFilterDesign

2.1OverviewofIIRFilterDesign..............................................................21

2.2PrototypeAnalogFilterDesign.............................................................22

2.3IIRDigitalFilterDesignviatheBilinearTransform........................................28

2.4Impulse-InvariantDesign...................................................................32

2.5Digital-to-DigitalFrequencyTransformations...............................................32

2.6Prony’sMethod............................................................................33

2.7LinearPrediction...........................................................................36

Solutions........................................................................................39

Index................................................................................................40

Attributions.........................................................................................41