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(xué)碩士學(xué)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(dǎo)教師：潘成勝教授學(xué)位級別：工學(xué)碩士學(xué)科、專業(yè)：計算機應(yīng)用技術(shù)所在單位：沈陽理工大學(xué)論文提交日期：2008年1月論文答辯日期：2008年3月學(xué)位授予單位：沈陽理工大學(xué)沈陽理工大學(xué)碩士學(xué)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