遠程智能傳真信號采集器設計與實現(xiàn).pdf

1、西安電子科技大學碩士學位論文遠程智能傳真信號采集器設計與實現(xiàn)姓名：翟曉寧申請學位級別：碩士專業(yè)：密碼學指導教師：李鳳華20100101AbstractAbstractWiththeincreasingapplicationoffacsimilemachine，thesecurityproblemsofcommunicationareofgreatsignificanceAccordingtotherequirementsofthe863

2、researchworkininformationsecuritytechnology(2007AA012482)，thefacsimilesignalacquisitionprototypesystemisresearchedbasedonPSTNnetworktransmission，andthefacsimilesignalacquisitionpartinthesystemisrealizedAccordingtotherequ

3、irementsofthesystem，thefacsimilesignalacquisitionisdesignedandimplementedinthispapenThefacsimilesignalacquisitionisonefunctionmoduleinthefacsimilecommunicationmonitorsystemThefunctionoffacsimilecollectionisachievedinthis

4、paper，whilethespaceforextensionmodulesinthesystemispreservedSOastoaddotherfunctionmodulesFirstlytheRecommendationT30usedbyfacsimilecommunicationisanalyzeddeeplyandthecommunicationprocessmodelofthefacsimilesignalacquisiti

5、onisdesignedbasedonT30SecondlythehardwareandsoftwarepartsoftheacquisitionisdesignedandimplementedaccordingtothecommunicationprocessmodelThehardwarepartUSeSthearchitectureofMPC8347kemelboardandbottomboardThehardwareofthea

6、cquisitionissupportedbythethreemajorchipswhichareMPC8347，CPLDandmodemBasedontheanalysisofcommunicationprocessinT30anddataframeofHDLC，thesoftwarepartachievesthesoftwareimplementationofthefacsimilesignalcollectionbyphasesI

7、naddition，usingthenetworkcommunicationfunctionwhichissupportedbyMPC8347andthroughthemodificationofthenetworkprotocolstackinLinuxkernel，thenetworkcommunicationandstorageofcollectiondataareachievedinthispaperKeyword：Facsim