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1、本科畢業(yè)設(shè)計RTKGPS板卡驅(qū)動電路設(shè)計與開發(fā)摘要自從GPS問世以來，就以其高精度，全天候，全球覆蓋，方便靈活和優(yōu)質(zhì)價廉吸引了全世界許多用戶。目前，國內(nèi)GPS應(yīng)用發(fā)展勢頭迅猛，短短幾年間，GPS在我國的應(yīng)用已經(jīng)從少數(shù)科研單位和軍用部門迅速擴(kuò)展到各個民用領(lǐng)域，GPS的廣泛應(yīng)用改變了人們的工作方式，提高了工作效率，帶來了巨大的經(jīng)濟(jì)效益，具有廣闊的應(yīng)用前景。TrimbleBD970GNSS接收模塊作為在GNSS領(lǐng)域的Trimble公司最新技術(shù)，應(yīng)用于裝備原始設(shè)備制造商和系統(tǒng)集成，是一款緊湊型的多星座模塊，專為滿足各種精確到厘米級的定位精度應(yīng)用需求而設(shè)計。本文闡述了能夠測試TrimbleBD9
2、70GNSS接收模塊的功能的驅(qū)動電路板的設(shè)計原理。此驅(qū)動電路板主要由電源模塊，串口通信模塊和LED提示模塊組成。通過此驅(qū)動電路板，能夠?qū)崿F(xiàn)上位機(jī)與TrimbleBD970GNSS接收模塊的通信，對TrimbleBD970GNSS接收模塊的定位輸出、差分輸入、LED指示等功能進(jìn)行方便測試。關(guān)鍵詞：GPSGNSS驅(qū)動電路功能測試TheDriverCircuitDesignOfTrimbleBD970GNSSReceiverModuleYangLijian（CollegeofScience,SouthChinaAgriculturalUniversity，Guangzhou510642，Ch
3、ina）Abstract:SincetheadventofGPS,withitshighprecision,all-weather,globalcoverage,convenientandflexibleandthehighqualityandlowpricetoattractmanyusersaroundtheworld.Atpresent,thedomesticGPSapplicationdevelopmentmomentumisswiftandviolent,injustafewyears,theapplicationsofGPSinourcountryhavefromasmal
4、lnumberofscientificresearchunitsandmilitarydepartmentsquicklyspreadtotheciviliansector,GPSiswidelyusedtochangethewaypeoplework,improveworkefficiency,broughthugeeconomicbenefits,hasbroadapplicationprospects.TrimbleBD970GNSSreceivermoduleasTrimblerefusedcompanythelatesttechnologyinthefieldofGNSS,a
5、ppliedtooriginalequipmentmanufacturersandsystemintegrationequipment,isamorecompactconstellationmodules,designedtomeetallkindsofprecisepositioningtothecentimeterlevelaccuracyapplicationrequirementsanddesign.ItisexpoundedinthisarticletotestTrimbleBD970GNSSreceivermodulefunctionofthedrivebackplaned
6、esignprincipleofthedriveplateismainlycomposedofpowersupplymodule,serialcommunicationmoduleandLEDpromptmodulethroughthedriveplate,canrealizetheuppermachinewithTrimbleBD970GNSSreceivermoduleofcommunication,theTrimbleBD970GNSSreceivermodulepositioningoutputdifferentialinputLEDindicatorfunctionssuch
7、asconvenienttotest.Keywords:GPSGNSSDriveCircuitFunctionalTest目錄1前言11.1全球定位系統(tǒng)系統(tǒng)簡介11.2國外其他全球定位系統(tǒng)簡介21.2.1格洛納斯全球?qū)Ш叫l(wèi)星系統(tǒng)21.2.2伽利略衛(wèi)星定位系統(tǒng)31.3中國北斗衛(wèi)星導(dǎo)航定位系統(tǒng)31.4GPS產(chǎn)品的應(yīng)用現(xiàn)狀51.4.1GPS芯片組的應(yīng)用現(xiàn)狀51.4.2GPS模塊的應(yīng)用現(xiàn)狀61.4.3GPS接收機(jī)的應(yīng)用現(xiàn)狀62TrimbleBD970G
