2.5gbps光上路源的研制

1、北京交通大學(xué)碩士學(xué)位論文2.5Gbps光上路源的研制姓名：王丹申請學(xué)位級別：碩士專業(yè)：光學(xué)工程指導(dǎo)教師：吳重慶20061201ABSTRACT：DataBusinesshaslargerproportionthanvoicebusinesscurrentlyandithasbecomethemainpartoftelecombusinessinmodemtelecomnetworksalreadyandpacketswitchingfo

2、rmallybecomesthemainswitchmethodinthewholenetworksThoseQusProblemsasthroughputlinkutilizationpacketdelaydelayjitterandpacketlossrateinthedatacommunicationearnedmoreattentionsaswellintherecentdaysInordertosatisfytherequir

3、ementofthetestmaintenanceandmanagementofthepacketswitchingperformances，adatapacketSOUrce(hereinaftercalledtheOptic妯SignalGenerator“)ishighlyexpectedThis‘‘OpticalSignalGenerator“willbeactedassimulatedcustonlersanditwilldo

4、themeasurementandevaluationworkforalItheindexesmentionedaboveBesidesthistypeofdataswitchingsourcewillproducetheaccordantformulationtothenetworkprotocol，anditsdataflame，sendingouttimeshallalSOdoitsbesttosimulatetherealcus

5、tomersinthenetworksThetraditionalmethodistoUSeacommercialnetworkdataanalyzerOPT)asthedatasourceHoweverthistypeofdatasourceisveryexpensivetoobiginshape，anditcannotproducerandomdatapacketwhichisdifferentinlengthItisevenhar

6、dertoimplementmultiplenodes，multipleSOUrces，andmultipleservicesTheintentionofthisthesisistOdevelopaprogrammabledatapacketopticalsignalgeneratorbasedontheFPGAwhichcomposesdatagenerateunitandopticaltransmitterunitThethesis

7、finishesthedevelopmentofthehardwareplatformandthesoftwareprogram，generatesthe25GbpsopticalserialdatapacketwiththegoodqualityandthelengthofthedatapacketsatisfythePoissondistributionCorrectlyreceivingthedatasignalwiththeco

8、nnectionandadjustmentofthereceiving啪iLthesearchingfortheframesynchronizationidentifierandtheestablishmentofthesystemframesynchronizationaswellasgettingthetargetaddressverifythatthisOpticalSignalGeneratoristheeveryrandomp

9、acketdataSOUrceforUseWhilesolvingtheproblemofhighspeedopticalsourcedriverthisthesisproposedanewdrivercircuit—InductorCouplingCircuitIthasboththeadvantagesofDirectCouplingCircuitandCapacitorCouplingCircuitItisalsoadvanced

10、inthefollowingaspects：fewcomponents；lessinfectsbytheDCbaseoftheonoffcircuit；neversaturation，andetcThisOpticalSignalGeneratorissimpleinSlrdCtUre，cheapincostconvenientinperformance，flexibleinapplication，theGeneratornotonly