寬帶信號(hào)的多通道高精度采樣與信號(hào)重構(gòu)方法.pdf

1、燕山大學(xué)碩士學(xué)位論文寬帶信號(hào)的多通道高精度采樣與信號(hào)重構(gòu)方法姓名：于維雙申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：電路與系統(tǒng)指導(dǎo)教師：潘明海20050201燕山大學(xué)J二學(xué)碩士學(xué)位論文AbstractThispaperpresentsthealgorithmsofwidebandsignalMuki—channelhighaccuracysamplingandsignalreconstructioninwhichboththearithmeticdesig

2、nandthesimulationresuksareincludedThealgorithmsofwidebandsignalhighaccuracysamplingandreal—timereconstructionhavebeenrealizedbasedonDSPsystemWidebandsignalhighaccuracysamplingandsignalreconstructionarethekeytechniqueofwi

3、debanddigitalreceiverandhigh—accuracyinstrument(digitalfilterandspectrumanalyzerl血modemcommunicationsystemandradarsystemInDSPsystems，thetechniqueofwidehandsignalhighaccuracysamplingisoftenusedHoweverADCcannottakesampling

4、rateandaccuracyintoconsiderationandhighaccuracysamplingisverydifficukwithasingleADCwhensignalbandwidthisverywideInordertosettlethedilemmabetweensamplingrateandbandwidth，samplingrateandconversionaccuracy，thispaperstudiest

5、hroughtimedomainmulti—channelsamplingmethodandfrequencydomianmulti—channelsamplingmethodanddiscussesabouthowtosolvetheproblemofwidebandsignalhighaccuracysamplingandrealtimereconstructionIntimedomainmulti—channelsamplingm

6、ethod，widebandsignalareusedtocarryOUtsamplingatdifferenttimesinseveralchannels，aimingteducetherequirementforsamplingrateandtoimprovesamplingaccuracyInfrequencydomainmuMchannelsamplingmethod，thewidebandsignalisdividedinto

7、severalnarrowbandsubbandsignals，eachsubbandsignalissampledbyalowsamplingratebuthighaccuracyADCThenusingthesesamplingdataofsubbandsignalsteconstructionsignalthroughtheprocessofinterpolationandantiimagingfilteringAftercomp