現(xiàn)代化解決方案

Trimble信標(biāo)系統(tǒng)解決方案現(xiàn)代化的DGPS系統(tǒng)解決方案宋濟宇Trimble亞太區(qū)技術(shù)服務(wù)中心4006709656概要DGPS概念及原理舊有的DGPS體系舊有的DGPS系統(tǒng)結(jié)構(gòu)更新DGPS系統(tǒng)的必要性Trimble現(xiàn)代化DGPS解決方案現(xiàn)代化DGPS系統(tǒng)需求Trimble現(xiàn)代化DGPS解決方案–TCB&TCC中國RBN/DGPS系統(tǒng)RBN-DGPSRadioBeaconNavigation-DifferentialGlobalPositionSystem沿海無線指向標(biāo)-差分全球定位系統(tǒng)新型、高精度、全天候海上導(dǎo)航定位系統(tǒng)利用航海無線電指向標(biāo)播發(fā)臺播發(fā)DGPS修正信息提高GPS定位精度通過完好性監(jiān)控臺對每顆衛(wèi)星信號進行獨立檢核改善GPS完好性RBN-DGPS系統(tǒng)原理RBN-DGPS系統(tǒng)架構(gòu)基準(zhǔn)臺由二臺高性能的GPS接收機和二個MSK調(diào)制器組成。接收天線安放在位置已精確測定的點上，通過跟蹤視野內(nèi)的全部衛(wèi)星，計算出相對于每顆衛(wèi)星的偽距修正值，按規(guī)定格式送至調(diào)制器。調(diào)制器接受最小移頻鍵控(MSK)(MinimumShiftKeying)調(diào)制方式將接收機送來的修正信號調(diào)制到無線電指向標(biāo)載頻上（頻率283.5～325.0kHz）。MSK為恒包絡(luò)已調(diào)波，具有較強的抗噪聲干擾實力，適于非線性信道傳輸RBN-DGPS系統(tǒng)架構(gòu)播發(fā)臺播發(fā)指向信號：依規(guī)定的強度和速率播發(fā)DGPS修正信息和指向標(biāo)狀況及基準(zhǔn)臺狀況信息。完好性監(jiān)控臺由導(dǎo)航GPS接收機、指向標(biāo)接收機和完善性監(jiān)控計算機組成。監(jiān)測GPS系統(tǒng)的完善性和播發(fā)的差分修正值的正確性，監(jiān)控基準(zhǔn)臺、播發(fā)臺，計算并登錄系統(tǒng)運行數(shù)據(jù)的統(tǒng)計結(jié)果。監(jiān)控中心監(jiān)測、限制各RBN/DGPS站的工作。舊有的DGPS體系舊有的DGPS系統(tǒng)結(jié)構(gòu)SideAIntegrityMonitorBRS232/422ConverterIntegrityMonitorARFReferenceStationBReferenceStationARouter(RS-232)ModemRS232/422ConverterRS232/422ConverterRS232/422ConverterReferenceMastAGPSReferenceMastBGPSReferenceMastBMSKGPSControlRFReferenceMastAGPSMSKRS-422RS-422RS-422RS-422RS-422RS-422FrameRelay(TELCO)TELCORFRFLinearAmplifierSideB?USCG/C2CEN舊有的DGPS體系雙SAC放射機AshtechZ12Rs路由器備份Modem數(shù)據(jù)服務(wù)單元UPSTrimble4000IMs舊有的DGPS體系更新DGPS系統(tǒng)的必要性目前大多數(shù)DGPS系統(tǒng)均建立在上世紀(jì)90年頭系統(tǒng)設(shè)備老化運用Trimble4000系列接收機接收機已不滿足日新月異的DGPS系統(tǒng)應(yīng)用需求已淘汰的服務(wù)器操作系統(tǒng)Windows2000操作系統(tǒng)不適用的通訊方式RS232通訊修理保養(yǎng)困難大多數(shù)配件已經(jīng)停產(chǎn)現(xiàn)代化的DGPS設(shè)計方案MSKReceiverIntegrityMonitorAIntegrityMonitorBReferenceStationBReferenceStationARouterModemReferenceMastA

ReferenceMastB

ReferenceMastBReferenceMastAFrameRelay(TELCO)TELCORS232/EthernetConverterL1/L2GPSReceiverL1/L2GPSReceiverMSKReceiverL1/L2GPSReceiverL1/L2GPSReceiverNetworkSwitchANetworkSwitchBPrimaryAntennaSecondaryAntennaNautelVectorDTransmitterAntennaSwitch

DeviceATUATUTrimble現(xiàn)代化DGPS解決方案-TCBTCB-TrimbleCoastalBeacon支持最新一代的GPS參考站接收機TrimbleNetRs、NetR3、NetR5支持TCP/IP、RS232等多種通訊協(xié)議支持數(shù)據(jù)捕獲及數(shù)據(jù)回放功能模塊化設(shè)計支持分布式處理支持客戶化定制圖形化操作，簡潔易用向下兼容現(xiàn)代化的DGPS設(shè)計方案集線器TrimbleNetRSsRavenDGPSDemodulatingReceivers電源路由器ReferenceStationAshtechZ-12RIntegratedMSKModulatorRSSoftwareComponentEmbeddedinFirmwareGeneratesRTCMMessagesModulatesontoCarrierforAmplification/TransmissionIncorporatesIMIntegrityInformationConnectedtoNCSGivesNCSHealthandStatusInformationGiveNCSControlOverRSReferenceStationRSComputerGRIMDGPS_EngDGPS_Mon(Optional)HardDiskFileStorageTIP/IPPorts123456789GPSReceiverPortRouterCSFrameRelay(TELCO)RavenTransmitterDRXYZ_MMEthernetPortIMReferenceStationReferenceMastAGPSReferenceStationPCReferenceMastGPSReferenceStationL1/L2GPSReceiverRS系統(tǒng)結(jié)構(gòu)RSComputerHardDiskFileStorageDGPS_Mon(Optional)GRIMDGPS_EngXYZ_MMNetworkInterfaceCard(NIC)orCOMMPortsHawk89DSPPMAFESwitchNetRx

GPSRouterTransmitterToIntegrityMonitorTo:TCCRS工作流程TCB-RSIntegrityMonitorL1/L2GPSReceiverMSKReceiverIntegrityMonitorPCReferenceMastMSKGPSIntegrityMonitorTrimble4000IMIntegratedMSKDemodulatorIMSoftwareComponentEmbeddedinFirmwareCombinesRSGeneratedRTCMwithLocalGPSData

IntegrityAlgorithmforDataValidationProvidesIntegrityInformationtoRSandNCSConnectedtoNCSProvidesNCSHealthandStatusInformationProvidesNCSIntegrityDataGiveNCSControlOverIMIntegrityMonitorIMComputerGRIMDGPS_EngDGPS_Mon(Optional)HardDiskFileStorageTCP/IPPorts123456789RouterCSFrameRelay(TELCO)MSKDRDRIMEthernetPortRSGPSReceiverIM系統(tǒng)結(jié)構(gòu)IMComputerHardDiskFileStorageDGPS_Mon(Optional)GRIMDGPS_EngDRIMNetworkInterfaceCard(NIC)orCOMMPortsSwitchNetRxGPSRouterToReferenceStationTo:TCCRavenDemodulatorIM工作流程TCB–IMTCB支持單IM系統(tǒng)降低成本模塊化設(shè)計優(yōu)勢多個軟件共享一臺GPS接收機信號接受播發(fā)后完好性監(jiān)測支持IM監(jiān)測遠程RS–RS與IM不在同一站點不支持播發(fā)前完好性監(jiān)測可以通過增加TCB軟件許可的方式實現(xiàn)播發(fā)前完好性監(jiān)測(兩個TCBIM共享一臺GPS接收機)只有一個TCBIM可以完全限制GPS接收機–主動連接支持播發(fā)前完好性監(jiān)測只有一個TCBIM可以重設(shè)接收機單IM系統(tǒng)IntegrityMonitorRFReferenceStationBReferenceStationARouterModemReferenceMastA

ReferenceMastB

IntegrityMastControlRFFrameRelay(TELCO)TELCORFRFLinearAmplifierRS232/EthernetConverterL1/L2GPSReceiverL1/L2GPSReceiverMSKReceiverL1/L2GPSReceiverNetworkSwitchAIntegrityMonitor不支持播發(fā)前完好性監(jiān)測雙IM軟件共享單GPS接收機IntegrityMonitorL1/L2GPSReceiverIntegrityMastMSKGPSIMComputerDRIM(PassiveMode)DGPS_EngDGPS_Mon(Optional)HardDiskFileStorageGRIM(PassiveMode)CSDRRSAUXMSKReceiverIMComputerGRIMDGPS_EngDGPS_Mon(Optional)HardDiskFileStorageDRIMCSDRRSAUXTCB特點接受用戶導(dǎo)向型界面模塊化的軟件–限制不同的硬件GRIM–GPS接收機DRIM–MSK接收機支持最新的RTCM、RSIM格式RTCM2.0、2.1、2.2、2.3RSIM1.1、1.2–播發(fā)前完好性監(jiān)測注入及放射測試信息RTCM#60-#63播發(fā)前、播發(fā)后完好性監(jiān)測Trimble現(xiàn)代化DGPS解決方案-TCCTCC–TrimbleCoastalCenter自動/手動限制播發(fā)臺在不同基準(zhǔn)臺間切換基于最新的TSA環(huán)境及TIM技術(shù)接受Windows服務(wù)模式開發(fā)接受MSSQL2005數(shù)據(jù)庫支持多服務(wù)器分布式處理支持客戶化定制及二次開發(fā)TCC系統(tǒng)組成限制中心-TCCDGPS臺站TCB1數(shù)據(jù)記錄器外設(shè)DGPS臺站TCB2DGPS臺站TCB

3DGPS臺站TCBN數(shù)據(jù)記錄器外設(shè)數(shù)據(jù)記錄器外設(shè)數(shù)據(jù)記錄器外設(shè)限制中心-TCC遠程限制并監(jiān)測一個或多個播發(fā)臺站監(jiān)測播發(fā)臺站的各個模塊運行狀態(tài)及報警信息通過RSIM與播發(fā)臺站的各個模塊進行通訊存儲播發(fā)臺站的各個模塊報警信息及運行狀態(tài)生成系統(tǒng)報告限制中心組件限制中心軟件數(shù)據(jù)庫報告生成器硬件需求服務(wù)器一臺或多臺限制中心軟件服務(wù)器一臺或多臺數(shù)據(jù)庫服務(wù)器網(wǎng)絡(luò)限制中心架構(gòu)限制中心系統(tǒng)服務(wù)管理器用戶界面DB用戶界面報告生成器播發(fā)臺站播發(fā)臺站播發(fā)臺站用戶界面TCC-RSTCC-