矢量網絡分析儀誤差模型及校正理論的研究.pdf

1、分類號密級UDC注1學位論文矢量網絡分析儀誤差模型及校正理論的研究矢量網絡分析儀誤差模型及校正理論的研究（題名和副題名）侯政嘉侯政嘉（作者姓名）指導教師童玲童玲教授教授電子科技大學電子科技大學成都成都（職務、職稱、學位、單位名稱及地址）申請學位級別碩士碩士專業(yè)名稱檢測技術與自動化裝置檢測技術與自動化裝置論文提交日期2005年1月2005年1月論文答辯日期學位授予單位和日期答辯委員會主席評閱人2005年3月日注1：注明《國際十進分類法UD

2、C》的類號矢量網絡分析儀誤差模型及校正理論的研究矢量網絡分析儀誤差模型及校正理論的研究IIIAbstractSparametershasbeenwildlyusedindescribingactersofmicrowavewkisimptantpartofteachingresearchingexperimentinthemicrowavefieldthedevelopmentofCADSparametersbecomethemainb

3、asisofmicrowaveCAD.TherefetheprecisemeasurementofSparametershasdevelopedtobemaintopicdirectionencounteredbymicrowavefieldisanecessarytoolintheteachingresearch.ThemicrowavewkanalyzerismaininstrumenttomeasureSparameters.Be

4、causeofallkindsoferrsexistinginthemeasurementsystemwhichcouldresultinbiasbetweenmeasurevaluethetruth.IndertoremovethesystemerrstheVectwkAnalyzer(VNA)mustbecalibratedbefemeasuringthedevicesundertest.Basedondetailedanalysi

5、sonarchitecturewkingprinciplesignalflowingdirectionsaswellasmeasurementmethodsoftheVNAsthisarticlesetsupthe8ErrsModuleintroducestwoerrcrectionmethodsusingstardcalibrationkits:theOSL(OPENSHTLOAD)methodtheSLT(LOADTHROUGHSH

6、T)method.Wefoundthatthismodulecansimplifythecalculationincalibration.wevalidateitinourexperiments.Traditionalcalibrationmethodsaredonebyusingstardkits(e.t.stardSHTOPENMATCH)providedbyinstrumentmanufacturescalibrationfunc

7、tionsetinstardkitsdatastedininstruments.Howevermanufacturesalwaysprovidestardkitswithcoaxialptswhilethepttypesofdevicesundertestvaries.Thisarticlealsointroduces12errsmodule8errsmodulenonstarderrcrectionmethodsusingSHTtra

8、nsmissionLINEascalibrationkits.UsuallythecalibrationkitsSHTtransmissionLINEcaneasilyberealizedinpracticalmeasurementsituations.TheerrcrectionmethodsgiveninthisarticlecancutdownthecalculationwkspeeduptheVNAmeasurements.Ft

9、hesereasonsthemeasurementresultcangetclosertothedynamicperfmancessatisfyrealtimemeasurementrequirements.Comparedtotraditionalcalibrationtheiesthe8Errscalibrationcanmeetthedemofhighspeedhighprecisionfieldsituationespecial

10、lyintherealmofmilitaryelectricmeasurement.ThismodulecanalsobeofgreatvaluetothemodularizationoftheVNAinthefuture.Thenonstardcalibrationmethodsgiveninthisarticlegiveuptheexpensivestardcalibrationkitssolvemostrelatedproblem