基于DVI的數(shù)字視頻信息反截獲技術(shù).pdf

1、西安電子科技大學(xué)碩士學(xué)位論文基于DVI的數(shù)字視頻信息反截獲技術(shù)姓名：魏麗麗申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：測(cè)試計(jì)量技術(shù)及儀器指導(dǎo)教師：邱揚(yáng)20080101ABSTRACTThispaperfirstlydescribesthebackgroundandtheresearchconditionsofelectromagneticinformationleakagefromcomputersystem，andexplainsthattraditio

2、naltechnologiesalenotapplicabletonewdigitalvideointerfaceDVI(DigitalVisualInterface)thenpointsouttheneedofstudyingn州technologypreventingcompromisingemanationsfromvideosignalFollowingthatthebasicprinciple，signalcharacteri

3、sticandmaindifferencesfromtraditionalanalogvideointerfaceofDVIareintroducedinadditiontheprinciplesofelectromagneticradiationleakagemadvideoinforma“oninterceptionofcorrespondingdisplayssystemareanalyzedBasedonbeforeanalys

4、is，combiningwithfrequencyspectrumcharacteristicofleakageinformationthispaperputsforwardanewmethodofpreventinginterceptionandcapture：randomizing，thefrequencyandtimedomainreadabilitycharacteristicsofdigitalvideoimageareirr

5、espectivelyresearchedindetail，andtwoconstraintconditionsarebroughtforwardfinallythe“talconclusionthatholding2to3importancebitsisproperwhenrandomizingisgotBecausegenerationalgorithmofrandomnumbersisthekeytandomizin呂thenth

6、epaperanalyzesseveralkindsofgenerationalgorithms，andselectsmultiplycongruentialalgorithmatlastThenthesimulationsothvareofdi出alvideoantiinterceptionismadeusingthisarithmeticbyVBandMATLAB，atthesametimealotofsimulationsarem