GPS接收機工作原理及其干擾因素的影響分析.pdf

1、Y1404538分類號：TP391UDC：004密級：編號工學碩士學位論文GPS接收機工作機理及其干擾因素的影響分析碩士研究生：劉春德指導教師：潘成勝教授學位級別：工學碩士學科、專業(yè)：計算機應用技術所在單位：沈陽理工大學論文提交日期：2008年1月論文答辯日期：2008年3月學位授予單位：沈陽理工大學沈陽理工大學碩士學位論文AbstractBeingwidelyusedinAmericanMilitaryespeciallyinaccu

2、ratestrikingweapon，GPShasalreadybecomeabasiccomponentofmilitaryinfrastructureinUSA。AstheGPSmilitarysupporterUSAisdevelopingthemodernizationofGPS，thismainlyisindicatedinthefollowingthreeaspectsThefwstistoprotecttheUSAandt

3、healliedcountrytotheGPSmilitaryapplication；thenextistopreventtheenemypartytoUSetheGPS；thethirdistomaintainthepeacefuluseofthecivilianradionavigationAlongtheadvancementoftheP(的codemilitaryapplication，theUSAalsolaunchesthe

4、newmilitarysignalinBlockIIFandtheGPSIIIsatellite，andthatisMcodesignalwhichsatisfiestheneedforthefuturebattleTohavethewholeunderstandingforthenewmilitaryMcodereceiversperformance，andsimultaneouslytostudythenextgenerationr

5、eceivingsysteminourcountrytoprovidetheprincipleThisdissertationisonthebasisofthetraditionalreceiver’Sresearch，anditanalyzesthemodulatingtechnologyabouttheMcodesignal，andthatisBOCmodulatingtechnologyInviewoftheBOCmodulati

6、ngtechnology’Sfissionfrequencyspectrum’Scharacteristicanditsmulti—pcal【ofselfcorrelationvalue’Scharacteristic，andhencethereceiverhadtousethenewcapturetechnologyandthetracktechnologytorealizetheMcodereceiverTheconclusions

7、indicatedthatthemethodwiththenewcaptureandthetracktechnologycouldgetthedemodulationdatacorrectlyfromMcodesignalBecauseofGPScommunication’Scharacteristicitisinevitablethattherealecertaindisturbancefactorsinthereceivingsys

8、temTherefore，toobtaintherealreceiver’Sworkenvironment，andit’Sveryimportanttoanalyzethedisturbancefactors，andthosearethenaturefactorandthejammingfactorandtakethejammingfactorasthemainone，andthenutilizethewidebanddisturban