ProblemDescriptionMatlabSourceCodeSimulationsReferences

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ProblemDescription

MatlabSourceCode

%designoflowpassFIRfilter

clc;

clearall;

wp=0.22;%normalizefrequency

ws=0.32;

Rp=0.3;%indb

As=52;%indb

tr_width=ws-wp;

M=ceil(6.6*pi/tr_width)+1;

delta_w=2*pi/1000;

Rp=-(min(db(1:1:wp/delta_w+1)));%PassbandRipple

As=-round(max(db(ws/delta_w+1:1:501)));%MinStopbandattenuation

%chosenhammingwindow

f=[00.220.321];m=[1100];

b=fir2(M,f,m);

figure(1)

freqz(b,1);

title('frequencyresponseoflowpassfilterdesignusinghamming

window');

figure(2)

impz(b,1);

title('impulseresponseoflowpassfilterdesignusinghamming

window');

Simulations

References

A.V.Oppenheim,R.W.SchaferwithJ.R.Buck,Discrete-TimeSignalProcessing,

SecondEd.,PrenticeHallSignalProcessingSeries,1999.Pages1-870

J.G.ProakisandD.G.Manolakis,DigitalSignalProcessingPrinciples,Algorithms,and

Applications,ThirdEd.,PrenticeHall,1996.Pages1-1016

S.K.Mitra,DigitalSignalProcessingAComputer-BasedApproach,SecondEd.,

McGrawHill2001(comeswithDigitalSignalProcessingUsingMatlabR,PrenticeHall,

1999)Pages1-354

R.A.HaddadandT.W.Parsons,DigitalSignalProcessingTheory,Applications,and

Hardware,ComputerSciencePress,1991.Pages1-636

JoyceVandeVegte,FundamentalsofDigitalSignalProcessing,PrenticeHall2002.

Pages1-810

N.Dahnoun,DigitalSignalProcessingImplementationusingtheTMS320C6000TM

DSPPlatform,FirstEd.,PrenticeHall2000.Pages1-234

A.V.Oppenheim,R.W.Schafer,DigitalSignalProcessing,FirstEdition,PrenticeHall,

1975.Pages1-784

Hykin,AdaptiveFilterTheory,PrenticeHall,FourthEdition,2001,Pages1-936

http://www.mathworks.com/