光示波器校準(zhǔn)規(guī)范及眼圖校準(zhǔn)模塊的研究.pdf

1、華中科技大學(xué)碩士學(xué)位論文光示波器校準(zhǔn)規(guī)范及眼圖校準(zhǔn)模塊的研究姓名：盧從俊申請(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：蔣向前詹杰20080525II華中科技大學(xué)碩士學(xué)位論文華中科技大學(xué)碩士學(xué)位論文AbstractWiththefastdevelopmentofopticalfibercommunicationtechnologiesthedatatransmissionratehasbecomehigherhigher.thetr

2、ansmissionaccuracyisalsoimprovedrapidly.Alightoscilloscopecanbeusedtoinspectthecommunicationsignalquality.Therefeitisofimptanttoknowwhetherthelightoscilloscopeisnmalnot.Finspectionofthelightoscilloscopeacalibrationspecif

3、icationisneededfcalibrationofitseyediagramakindofcalibrationmoduleisalsoneeded.Aimingatthetwoproblemsalightoscilloscopecalibrationspecificationisresearchedaneyediagramcalibrationmoduleisdesigned.Themaincontentisasfollows

4、:(1)Afterresearchingallimptantacteristicparametersoflightoscilloscopesomecapabilityparametersareputfward.Theyaredividedintotwogroupsaccdingtotheirimptancedegree.Onegroupincludes11matyparameterstheotherincludes5optionalpa

5、rametersfquickgeneralcalibrationrespectively.Onthebaseoftheparameters’definitioninstrumentsperfmancelevelthemeasurementcalibrationmethodoftheseparametersareputfwardthecalibrationspecificationisestablished.(2)Accdingtoall

6、parametersoflightoscilloscopeacalibrationmodulefeyediagramisdevised.Thismoduleincludessignalgeneratshapingcircuitlaserlaserdriverautomatictemperaturecontrollerautomaticpowercontrollerlaserprotectelectricalsource.(3)Thein

7、fluencefactsproblemsresolvemethodsofeverypartofthecalibrationmoduleareanalyzed.ThenacalibrationmoduleisdesignedonthebasesofMAX3735A8830.Theresultsofresearchexperimentshowthatthelightoscilloscopecalibrationspecificationth