1、大連海事大學(xué)碩士學(xué)位論文基于電羅經(jīng)技術(shù)的磁羅經(jīng)自差自動(dòng)測定和校正系統(tǒng)姓名：鐘曉鋒申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：載運(yùn)工具運(yùn)用工程指導(dǎo)教師：關(guān)政軍陳鐸20040301AbstractBasedonthegyrocompasstechnique，themagneticcompassdeviationautomaticmeasurementandcorrectionsystemsynthesizesbothgyrocompassandmagnetic

2、compasstechniqueThissystemutilizesmagnetoresistiveseilsortoinducttheenvironmentmagneticfieldforcompasscourse，andgettruecoursefromgyrocompass，thencomparecompasscoursewithtruecourseinordertocompassdeviationItsprincipleisth

3、at：themaenetoresistivesensorinductstheoutsidemagneticfieldemitsthecompasscoursesignaltoA／DandthenthesignaliStransformedintodigitalsignal，processedbySCM，thuswemaygetthecompasscourse；throtIghtheprocessofsynchronousmotorors

4、teppingmotorwecomparethechangeofsignals，usethegyrocompassnumericalcoursecalculatedbySCMasthereal—timetruecourse；wethencomparethenumericalandreal—timetruecourse(gyrocompassnumericalcompass)，togetthecompassdeviation，andsub

5、tractgyrocompasscoursetogetthedeviation；throughthecalculationofSCMweknow5deviationcoefficientsandcalculatethedeviationeachcourseinordertomakeSCMtocorrectthecompassdeviationsoftwaregyrocompassThroughaseriesofresearch，expe

6、rimentandtext，theresultindicatesthatthecourseerroremittedbymagnetoresistivesensoriS1eSSthan05。，andafterthemeasurementandcorrectionofcompassdeviationthroughgyrocompass，thesignalerroremittedbymagnetoresistivemagneticcompas

7、sisabout1。Thissystemmayalsoremovetheinfluenceonshipdeviationcausedbyshipinclining，showingthereal—timecompasscourse，magneticcourseandtruecoursemeanwhilethispaperalsomakeacomparisonwithothermagneticcompasstechniqueandtheco

8、rrespondingwaysofmeasuringandcorrecting，thusreachaconclusionthatgyrocompasscomparisonwayofmeasuringdeviationisspeciallyappropriateforthedeviationmeasurementandcorrectionofthoselargeormedium—sizedshipsFinallythispaperanal