Ibisobanuro bya GNSS RTK: Uko Ukuri kuri Centimeter Gukora
GPS isanzwe ya telefone igendanwa iba ifite ukuri kugeza kuri meter chache, ikaba nziza ku buyobozi bwo kugenda (navigation) ariko ntacyo imaze mu gupima ubutaka (surveying). RTK, cyangwa Real-Time Kinematic positioning, igabanya ako kaga ikagera ku centimetero ikoresheje umwakira wa kabiri uhagaze mahali hamwe kugira ngo ukosore amakosa mu gihe nyacyo (real time).
Ico kibazo gikemurwa no kugereranya ibimenyetso. Sitasiyo ya base iri ku mwanya uzwi neza yakira ibimenyetso bya satelite kimwe na rover igenda, ikabara ikosa muri ibyo bimenyetso, cyo kimwe ikatwereka igakosora ibyo bimenyetso rover ikabyakira ako kanya.
Uko Ikosora rya RTK Rikora mu Bikorwa
Simulation y'Ikusanyirizo ry'Ikosora mu Gihe Nyacyo
Reba Uko Intera Ihindura Ukuri
Igikoresho cyo Kureba Intera ya Baseline
Gerageza Igisubizo cya Fixed vs Float
Kanda cyangwa Ukande ku Kibanza
Uko RTK Positioning Ikora
Gushyiraho sitasiyo ya base
Umwakira ushyirwa ku kintu cyatunganyijwe neza gifite imyanya izwi, yaba yapimwe cyangwa yerekejwe ku kintu cyo gupimiraho kizwi.
Kwakira ibimenyetso bya satelite
Base na rover byombi byakira ibimenyetso biturutse ku itsinda rimwe rya satelite za GNSS mu gihe kimwe.
Kubara ikosora
Base igereranya umwanya wayo uzwi n'umwanya wabariwe uhereye ku bimenyetso bya satelite kugira ngo imenye ikosa ryari ririho.
Gutanga ibikosorwa
Base yoherereza aya makuru y'ikosora kuri rover binyuze ku miyoboro y'iradio cyangwa interineti mu gihe nyacyo.
Kugera ku gisubizo cya Fixed
Rover ishyira mu bikorwa ikosora, ikemura ibyahiwe kugira ngo igere ku mwanya wa fixed ufite ukuri kuri centimetero.
Igisubizo cya fixed RTK gitanga ukuri kuri centimetero, ariko igisubizo cya float, kibaho iyo sisitemu idashoboye gukemura zvimwe mu bimenyetso, gishobora kugera fye ku kuri kwa decimetero. Buri gihe reba ko sitati ari fixed mbere yo kwandika amanota y'ipima.
GPS ikubwira hafi aho uri. RTK ikubwira neza aho uri, kugeza ku centimetero chache.
Impamvu RTK Ari Ingenzi mu Gupima Ubutaka
Buri kintu cyose cyo gupima gihagaze neza, kuva ku mbibi z'ubutaka kugeza ku bishushanyo mbonera by'ubwubatsi, gishingiye ku mibanire y'ikosora rya base-rover ikora neza. Amatsinda yacu y'ipima rya DGPS survey no gupimisha drone bakoresha RTK positioning nk'inkingi mwikorezi yo gukusanya amakuru ya GIS mapping afite ukuri mu mishinga yose.
Ukeneye amakuru y'ipima afite ukuri kuri centimetero?
Tubwire ku mushinga wawe tubashe gukomeza kukubwira uburyo bwacu bwo gukoresha RTK positioning.
Ibibazo Bikunze Kubazwa
RTK ihagarariye Real-Time Kinematic, uburyo bwo gupima imyanya bwa GNSS bukoresha ikosora rya sitasiyo ya base kugira ngo bugere ku kuri kuri ku rwego rwa centimetero.
GPS isanzwe ifite ukuri kugeza ku meter chache, mu gihe RTK ikoresha ikosora rya sitasiyo ya base kugira ngo igabanye ako kaga ikagera ku centimetero mu gihe nyacyo.
Sitasiyo ya base ni umwakira ushyirwa ku mwanya uzwi neza ubara amakosa y'ibimenyetso bya satelite ukanatanga ibikosorwa mu bawakira ba rover.
Igisubizo cya fixed kigera ku kuri kuzuye kwa centimetero, mu gihe igisubizo cya float kibaho iyo ibimenyetso bitakemuwe neza, bikaganisha ku kuri guke kuri ku rwego rwa decimetero.
Yego, intera ndende ya baseline gashobora kugabanya icyizere n'ukuri kw'ikosora, ari yo mpamvu sitasiyo za base zishyirwa hafi y'agace k'ipima.
Amakuru y'ikosora mu bisanzwe yohererezwa binyuze ku miyoboro y'iradio ku bintu by hafi cyangwa imiyoboro ishingiye ku interineti mu duce twagutse.
Umutandao wa CORS ni sisitemu ya sitasiyo zihoraho zitanga ibikosorwa bya RTK mu gace kagutse utagombye gushyiraho sitasiyo ya base yihariye.
Yego, gupima kwa RTK na PPK bikunze gushyirwa mu bikorwa byo gupimisha drone kugira ngo birangize gupima ku rwego rwo hejuru nta gukenera ibipimo byinshi mu kuboko.
Ikirere kibi cyane gishobora rimwe na rimwe guhungabanya ubwiza bw'ibimenyetso, n'ubwo sisitemu za kijyambere za RTK zikora neza mu kirere kimenyerewe.
RTK positioning hamwe n'igisubizo cya fixed itanga ukuri gukenewe mu bikorwa by'imbibi mu mategeko, n'ubwo ibipimo by'ubutaka n'imigenzo yo kwemeza byo mu gace biba bigikora.
Uyu murongo ubikiwe abayobozi b'imishinga. Nta bwo wakenerwa ku bibazo byo kwiga, amahugurwa cyangwa gushaka akazi.