基于北斗二代系统的船载定位终端

http//．smujournal．cn33320129JournalofShanghaiMaritimeUniversityVol．33No．3Sept．20121672－9498201203-0001-04201306．S3C2440ARMWindowsCE6．0．MATLAB．ARMWindowsCE6．0U666．134TP277．2AShipbornepositioningterminalbasedonBeidou-2YINGShijunWANGKunLIUWeiZOUXupingMerchantMarineCollegeShanghaiMaritimeUniv．Shanghai201306ChinaAbstractInordertoguaranteetheshipnavigationsafetytheshipbornepositioningterminalwasde-signedbasedontheBeidou-2satellitenavigationsystem．TheS3C2440ARMprocessorandtheWindowsCE6．0embeddedsystemweretakenasthecorepartsoftheterminalwhichisassistedbytheperipheralcircuit．Andtheleastsquarealgorithmwasusedtorealizetheshipnavigationandpositioning．ThenthenumbersofvisiblesatellitesandhorizontaldilutionofprecisionwerecalculatedandanalyzedbyusingtheMATLABsoftware．TheresultsshowthatthedesignisfeasibleandreliablewhichcanfurtherpromotetheapplicationoftheBeidoushipborneterminalintheshipnavigation．KeywordsshipbornepositioningterminalARMWindowsCE6．0Beidou-22012-01-092012-05-172009BAG18B04611050971966—[e-mail]0CompassNavigationSatelliteSystemCNSS、．、、、3、BD-2、．11BD-224h、、．、．1BD-2http//．smujournal．cn．、、、12．BD-2、．BD-2、、．1ARMWindowsCE6．0WINCE6．0BD-2．BD-2、、、PVTARM．31．1BD-2、A/D、．2B3B1L1．A/D62MHzADC．、、．PVTARMARM9S3C2440SDRAMNANDFlash．PVTARM．CAN、RS-485、ECDISAIS．2BD-2HwaNavchip-1GPS．BD-2B3B1B116bit32bitARMS3C2440HwaNav-chip-1、．ARMADSARMDeveloperSuitARM、、．4-52．2233http//．smujournal．cn12345DOPECEFCGCS2000．3WINCE6．0、、、、CPUWindowsWIN32API、．6WINCE6．0．WINCE6．0、．WINCE6．0．PlatformBuilder．WINCE6．03．3WINCE6．0VisualStudio2008．．BD-27．44．．455．1BD-2$BDGGA$BDRMC8．$BDRMC$BDRMC＜1＞＜2＞＜3＞＜4＞＜5＞＜6＞＜7＞＜8＞＜9＞＜10＞＜11＞＜12＞*＜13＞＜1＞UTChhmmss＜2＞AV＜3＞ddmm．mmm＜4＞NS＜5＞ddmmm．mmmm＜6＞EW＜7＞＜8＞＜9＞UTCddmmyy＜10＞＜11＞＜12＞AV＜13＞．5．22012314．．．5．55．3VSNHDDP2012315201231624h1sBD-2GPSMATLAB33http//．smujournal．cn．VisibleSatelliteNumberVSN6．6HorizontalDilutionofPrecisionHDOP．9-10HDOP7．7HDOP671．6BD-21BD-2GPSVSNHDOPVSN95%HDOP95%BD-2745．137435．41．52．86022GPS1157．459672．60．71．14364．1ARMWINCE6．0BD-2、．2BD-2VSNGPS．VSN．3BD-2HDOP1．5～5．4GPSHDOP0．7～2．65GEO、4MEO3IGSO．1σ=1×RMS×DOP8RMS2m1σ3．0～10．8m．4、、．1．J．2011S168-71．2．J．201037160-62．3．J．2012129223．4．D．2009．5．/GPSD．2010．6．WindowsCEM．20105-8．7．WindowsCEM．2008360-377．8．AISJ．201132417-21．9-．GPSM．201180-81．10．PNTJ．201156211734-1740．433