标签: buffering

DataBufferingandHandshakingexample

DigitalSignalProcessingiscarriedoutbymathematicaloperations.Incomparison,wordprocessingandsimilarprogramsmerelyrearrangestoreddata.ThismeansthatcomputersdesignedforbusinessandothergeneralapplicationsarenotoptimizedforalgorithmssuchasdigitalfilteringandFourieranalysis.DigitalSignalProcessorsaremicroprocessorsspecificallydesignedtohandleDigitalSignalProcessingtasks.Thesedeviceshaveseentremendousgrowthinthelastdecade,findinguseineverythingfromcellulartelephonestoadvancedscientificinstruments.Infact,hardwareengineersuse"DSP"tomeanDigitalSignalProcessor,justasalgorithmdevelopersuse"DSP"tomeanDigitalSignalProcessing.ThischapterlooksathowDSPsaredifferentfromothertypesofmicroprocessors,howtodecideifaDSPisrightforyourapplication,andhowtogetstartedinthisexcitingnewfield.Inthenextchapterwewilltakeamoredetailedlookatoneofthesesophisticatedproducts:theAnalogDevicesSHARC®family.CHAPTERDigitalSignalProcessors28DigitalSignalProcessingiscarriedoutbymathematicaloperations.Incomparison,wordprocessingandsimilarprogramsmerelyrearrangestoreddata.ThismeansthatcomputersdesignedforbusinessandothergeneralapplicationsarenotoptimizedforalgorithmssuchasdigitalfilteringandFourieranalysis.DigitalSignalProcessorsaremicroprocessorsspecificallydesignedtohandleDigitalSignalProcessingtasks.Thesedeviceshaveseentremendousgrowthinthelastdecade,findinguseineverythingfromcellulartelephonestoadvancedscientificinstruments.Infact,hardwareengineersuse"DSP"tomeanDigitalSignalProcessor,justasalgorithmdevelopersuse"DSP"tomeanDigitalSignalProcessing.Thischap……