信息电磁泄漏研究

《信息电磁泄漏研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、西北工业大学博士学位论文信息电磁泄漏研究姓名：董士伟申请学位级别：博士专业：电路与系统指导教师：许家栋20030101西北T业人学博+。学位论文力图深入分析问题，以期为后续研究奠定良好的基础。关键词：信息电磁泄漏，瞬态电磁场，阴极射线管，屏蔽。侦收系统．英文摘要AbstractCompromisingemanationsofinformationtechnologyequipments(ITE’S)maycausesecurityriskofinformmionbeingprocessedonthem．Electromagneticinformationleakage．which

2、turnedtobeadomainofinforwar,hasattractedworldwideattention．Thistopicisstudiedinthisdissertationbymeansoftime-domainelectromagnetics．Theresearchcallbeclassifiedintothreepartshere．Firstlytime—domainradiationmechanismofemanationsourcesisstudied，InChapter2，twokindsofphysicalmodels，travelingwavemo

3、nopolemodelandstandingwavedipolemodel，aresetupaswellaSinformationtheorymodels．InChapter3，electromagneticradiationofelectronbeamincathoderaytube(CRT)ofcomputervideodisplayunit(VDU)isanalyzedasaspecialexample．Secondlysomeprotectionmeasuresonelectromagneticinformationleakageareputforward，InChapt

4、er4，methodofmoment(MoM)solutionoftransientelectromagneticscatteringbyperfectconductingsurfacesisdiscussedbydealingwithtime·domainintegralequations(TDIE’s)．Rectangularpatchesmodelandtriangularpatchesmodelarecomparedandtheirapplicationsareexploited．IUthemeantimereference[42]and【61】arerecruited．

5、InChapter5，theauthor’SworkisfocusedonshieldingenclosuredesignofcomputerVDU．Enoughconsiderationismadeonair-flowforheatdissipation．Thirdlyinterceptiontechnologyofelectromagneticinformationleakageisdescribed．InChapter6adigitalinterceptionsystemisdesignedanditsoperatingprincipleisintroduced．Plent

6、yofexperimentalresultsareprovidedhere．InChapter7amathematicmodelofelectronbeamsinCRTofcomputerVDUiSgivenandentropypreservationperformanceofTEMPESTtransceivingsystemiSdiscussed，asoft．-TEMPESTmeasureissuggestedaccordingly．Subsequentlyanti·-noiseperformanceofthedigitalinterceptionsystemisanalyze

7、d．Inotherchapters，e．g．Chapter1，researchprogressofelectromagneticinformationleakagetechnologyisreviewed．andinChapter8thewholedissertationiSconcludedandsomeprospectiveresearchtopicsaresuggested．Anumberofinnovativeresultsinthedissertationareoutl