23194.大磁暴期間軌道大氣密度擾動(dòng)特征研究

1、中國科學(xué)院研究生院碩士學(xué)位論文大磁暴期間軌道大氣密度擾動(dòng)特征研究姓名：丁哲申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：地球與空間探測(cè)技術(shù)指導(dǎo)教師：王世金201205大磁暴器件軌道大氣密度擾動(dòng)特征研究AbstractUpperatmosphereisthespacewheretheloworbitsatelliteactivitiesin，andthechangeofitsdensityduetothechangeinsolaractivitywillalt

2、ertheloworbitsatellite’SorbitandlifeInthethermallayeroftheatmospherewhichheightismorethan250kin，atomicoxygen’Svolumefractionisupto80％Withtheincreaseinlifeofthespacecraft，theerosionofthelow—orbitspacecraftsurfaceisbecomin

3、goneofthemostimportantproblemsofthespaceenvironmentInaddition，thestratosphereandmesopauseregionistheimportantareawherethespacecraftlaunchandrecoveryAnditsresearchwillhavegreatsignificancesonthelaunchofthespacecraft，theas

4、tronaut’SsafetyandtheaccuracyofthefallpointInthispaperwestudythebasicdistributioncharacteristicsoftheatmosphericdensityandthedisturbancecharacteristicsoftheatmosphericdensityatthetimeofgeomagneticlargestorms，nlefastfourc

5、haptersintroducedthemeaningandCurrentSituationintheupperatmospheredensityexplorationmethods，typicalatmosphericsatellites，atmosphericdensitymodels，magneticstormstatisticsanddataprocessingmethodsInthefifthchapterfkstofall，

6、throughtheapplicationofMSIS00mode，learnedaboutthebasicdistributioncharacteristicsofthemiddleandupperatmospheredensity；Secondly，bycontrastthedataofmassdensitybetweenMSIS00’SandCHAMP’Satdifferentlatitudes，itpointedoutthatt

7、helatitudedifferenceexistsbetweentheMSIS00andCHAMPresponsetogeomagneticdisturbance；ThirdlybynormalizingtheCHAMPsatellitedataatthetimeofgeomagneticlargestorms，itenhancedthecomparabilityoftheatmosphericdensityduringdiffere

8、ntstorms；Then，RespectivelyusetheCHAMPandMSIS00datatomakecurvefittingwithApindexatdifferentlatitudes；FinallycomparedresponsecharacteristicoftheincreaseextentofatmosphericdensitydisturbancewithApandDstChapterVIissummaryand