摩托羅拉(Motorola)M12M導(dǎo)航模塊 產(chǎn)品信息 M12MONCORE 導(dǎo)航型(NAVIGATION)的主要特點(diǎn) 12個(gè)并行通道 TTFF典型值 15秒 TTFF典型值 40秒 TTFF典型值 60秒 典型重捕獲時(shí)間 1.0秒 天線電流檢測 支持DGPS信息輸入 3V時(shí)電源功耗僅為155mWM12MOncore 導(dǎo)航型接收器是一款優(yōu)秀的具有１２通道ＧＰＳ傳感器．它能作為一個(gè)組件被使用在精確定位，導(dǎo)航，或授時(shí)系統(tǒng)中．M12M能夠提供精確的位置，速度，和時(shí)間等即時(shí)信息。 支持逆向差分的能力,M12M能準(zhǔn)確的給出高精確的位置。高性能快TimeToFirstFix(TTFF)和一剎那分秒典型重捕獲時(shí)間。超精密使用逆向DGPS來獲取高精度,M12M的設(shè)計(jì)適合需要精確地位的場合。 高靈活度包括RTCM差分GPS支持,NMEA0183輸出,2個(gè)通訊口,1個(gè)用戶可控制的速度濾波器和1個(gè)天線傳感電路.電源性能功耗為155mＷ@３V,不含天線．后備電池電源5mAh,可維持２周到１個(gè)月．M12M初步規(guī)格：M12MNAVIGATIONONCORETM RECEIVERPreliminarySpecification 12Channelsimultaneousoperation 15stypicalHotstartTTFF 40stypicalWarmStartTTFF 60stypicalColdStartTTFF 1.0sinternalreacquisitionAntennaCurrentsensedetectionInverse/DGPSsupport155mWPowerconsumption@3VOperation GeneralCharacteristicsReceiverArchitecture12parallelchannelL11575.42MHzC/Acode(1.023MHzchiprate)Codepluscarriertracking(carrieraidedtracking) TrackingCapability12simultaneoussatellitevehiclesPerformanceCharacteristicsDynamicsVelocity:1000knots(515m/s) 1000knots(515m/s);ataltitudes 60,000ft.(18000m)Acceleration:4gJerk:5m/s3Vibration:7.7gperMilitaryStandard810E AcquisitionTime(TimeToFirstFix,TTFF)(Testedat 40 Cto+85 C) 15stypicalTTFF-hot(withcurrentalmanac,position,timeandephemeris) 40stypicalTTFF-warm(withcurrentalmanac,position,time) 60stypicalTTFF-cold(Nostoredinformation) 1.0sinternalreacquisition(typical)PositioningAccuracy 5m,1-sigma 10m,2-sigmaTimingAccuracy(1PulsePerSecond,1PPS) 500ns,2-sigmaDatumWGS-84defaultOneuserdefinabledatumAntennaAntennaRequirementsActiveantennamodulepoweredbyreceivermodule(80mAmax)10dBto50dBexternalantennagainmeasuredatreceiverinput3Vdcor5VdcantennapowerprovidedviaheaderconnectorSerialCommunicationOutputMessagesLatitude,longitude,height,velocity,heading,timeMotorolabinaryprotocolat9600baudNMEA0183(GGA,GLL,GSA,GSV,RMC,VTG,ZDA)Softwareselectableoutputrate(continuousorpoll)TTLinterface(0to3V)SecondCOMportforRTCMinputElectricalCharacteristicsPowerRequirements2.8Vdcto3.3Vdc;50mVp-pripple(max)Keep-Alive BATTPowerExternal2.2Vdcto3.2Vdc,5uAtypical@2.7Vdc@25oC PowerConsumption155mW@3VwithoutantennaPhysicalCharacteristics Dimensions40.0x60.0x13.0mm(1.57x2.36x0.53in.)WeightReceiver12.5g ConnectorsData/power:10pin(2x5)unshroudedheaderon0.050in.centers(straightconfiguration)RF:rightangleMMCXAntennatoReceiverInterconnectionSinglecoaxialcable(withpoweroncenterconductortosupportactiveantenna)AntennasensecircuitEnvironmentalCharacteristicsOperatingTemperature-40oCto+85oCStorageTemperature-40oCto+105oCHumidity95%overdrybulbrangeof+38oCto+85oCAltitude18,000m(60,000ft.)maximum 18,000m(60,000ft.)forvelocities 515m/s(1000knots)Miscellaneous StandardFeatures MotorolaDGPScorrectionsat9600baudonCOM1RTCMSC-104inputType1andType9messagesforDGPSat2400,4800or9600baudonCOM2InverseDGPSsupport OptionalFeaturesLithiumbatterybackup