Произходът на GPS
Intheearlydays,GPStechnologywaswidelyusedinmilitaryland,sea,andairnavigation,fixed-pointbombing,andguidanceofship-basedmissiles.Especiallyinthe1991GulfWar,theUSmilitary'smissilesaccuratelyhitlong-rangetargetsundertheguidanceofthesatellitepositioningsystem,whichleftadeepimpressionontheworld.Sincethen,GPStechnology,alsoknownassatellitenavigationtechnology,hasattractedpeople'sattention.WiththeopeningofGPStechnologytocivilianuse,thehugebusinessopportunitiesitcontainshavebeentapped.IndevelopedcountriessuchasEuropeandtheUnitedStates,theGPSindustrygeneratestensofbillionsofdollarsinannualbenefits.Especiallywiththeintegrationandminiaturizationofsatellitenavigationreceivers,variouspersonalinformationterminalsintegratingcommunications,computers,andGPShaveemerged.Itisthesatellitenavigationtechnologyfromprofessionalapplicationstothegeneralpublic,becomingthethirdintheinformationindustryaftercommunicationsandtheInternet.Anewgrowthpointandanimportantpartofthecountry’scomprehensivenationalstrength.
Характеристики на системата
1. Глобално, работа при всякакви метеорологични условия:
Може да предостави на потребителите непрекъсната триизмерна позиция в реално време, триизмерна скорост и точно време. Не се влияе от времето.
2.Висока точност на позициониране:
Singlemachinepositioningaccuracyisbetterthan10meters,usingdifferentialpositioning,theaccuracycanreachcentimeterlevelandmillimeterlevel.
3. Множество функции и широки приложения:
Withthedeepeningofpeople’sunderstandingofGPS,GPShasnotonlybeenwidelyusedinmeasurement,navigation,speedmeasurement,andtimemeasurement,etc.,Anditsapplicationfieldscontinuetoexpand
Класификацията на GPS навигацията:
Vehicletype-usedforvehiclenavigationandpositioning;
Navigationtype-usedforshipnavigationPositioning;
Aviationtype-usedforaircraftnavigationandpositioning.Duetothehighspeedoftheaircraft,thereceiversusedinaviationarerequiredtobeabletoadapttohigh-speedmovements.
Space-bornetype-usedforsatellitenavigationandpositioning.Asthespeedofthesatelliteisupto7km/sormore,therequirementsforthereceiverarehigher
Функция на системата
Навигационна функция
1.TheuserisinthecarGPSAfteranytwopointsaremarkedonthenavigationsystem,thenavigationsystemwillautomaticallydesignthebestroutefortheownerbasedonthecurrentposition.Inaddition,italsohasamodificationfunction.Iftheuseraccidentallymissestheintersectionanddoesnottakethebestrouterecommendedbytheon-boardGPSnavigationsystem,andthevehiclepositiondeviatesfromthebestroutetrajectorybymorethan200meters,theon-boardGPSnavigationsystemwillbebasedonthenewPosition,redesignaroutebacktothemainroutefortheuser,ordesignanoptimalroutefromthepositiontothedestinationfortheuser.
2. Функция за завъртане на гласови подсказки
Aslongasthevehicleencountersanintersectionorturnsinfront,theon-boardGPSvoicesystempromptstheusertoturnandothervoiceprompts.Thiscanpreventthecarownerfromtakingdetours.Itcanprovidevoicepromptsthroughoutthejourney.Driverscanrealizetheentirenavigationprocesswithoutobservingthedisplayinterface,makingdrivingsaferandmorecomfortable.
3. Увеличете функцията за интересни точки
Somecitiesareintheconstructionstage,andnewbuildingsmayemergeanytimeandanywhere.Asaresult,theupdateofelectronicmapshasbecomeaconcernofmanyconsumers.Therefore,ifyouencountersometargetpointsthatarenotontheelectronicmap,aslongasyouareinterestedorthinknecessary,youcanaddthispointoranewroutetothemap.Thesenewlyaddedpointsofinterest,likeanyoriginalpointonthemap,canbeappliedtofunctionssuchaselectronicmapviewing.
4.Позициониране
GPScanaccuratelydetermineitslocationbyreceivingsatellitesignals,andthepositionerrorislessthan10meters.Ifthemachinehasamap,itcanbemarkedwithamarkonthecorrespondinglocationonthemap.Atthesametime,GPScanalsoreplacethetraditionalcompass,displaydirections,replacethetraditionalaltimeter,anddisplayinformationsuchasaltitude.
5.Speedmeasurement
ThroughGPSreceivingandcalculationofsatellitesignals,thespecificspeedofdrivingcanbemeasured,whichismuchmoreaccuratethangeneralodometers.
6. Покажете записа
Ifyougotoastrangeplaceandsomeoneleadsthewaywhenyougo,whatshouldyoudowhenyoucomeback?Don'tworry,GPShasatrackrecordfunction,whichcanrecordtheroutetheuserhastraveledbyyourvehicle,withanaccuracyoflessthan10meters,andevendisplaythedifferencebetweenthetwolanes.Whenyoucomeback,theusercanactivateitsreturnfunctionandletitleadyoubackhomesmoothlyalongtherouteyoucame.