GNSS RTK Fotokozedwa: M'mene Kulondola kwa Masentimita Kuthandizira
GPS wamba ya pafoni imalondola pa mamita ochepa, yomwe ndi yabwino pa mayendedwe koma siyoftunika pa ntchito yoyesa nthaka (surveying). RTK, kapena Real-Time Kinematic positioning, imatsitsa kulondola kumeneko kufika pa masentimita pogwiritsa ntchito chovandikira chachiwiri chokhazikika (base) powongolera zolakwika nthawi yomweyo.
Chinsinsi chake ndi kuyerekeza zizindikiro za m'mwezi. Base station yomwe ili pamalo odziwika bwino imalandira zizindikiro zomwezo kuchokera ku masesetilaiti monga rover yosuntha, kuwerengera zolakwika m'zizindikirozo, ndikufalitsa zowongolera zomwe rover imagwiritsa ntchito pomwepo.
Onerani Zowongolera za RTK Zikugwira Ntchito
Masewero a Zowongolera Zofalitsidwa Nthawi Yomweyo
Onerani M'mene Mtunda Umathandizira Kulondola
Chionetsero cha Mtunda wa Baseline
Yesani Chithandizo cha Fixed vs Float
Donyani Kuti Mutsitse Malo
M'mene RTK Positioning Imagwirira Ntchito
Kukhazikitsa base station
Chovandikira chimayikidwa pa malo odziwika bwino, kaya pambuyo pofufuza kapena kulumikizidwa ndi malo odziwika.
Kulandira zizindikiro za masesetilaiti
Base ndi rover zonse zimalandira zizindikiro kuchokera ku gulu lomwejo la masesetilaiti a GNSS nthawi imodzi.
Kuwerengera zowongolera
Base imayerekeza malo ake odziwika ndi malo owerengedwa kuchokera m'zizindikiro za masesetilaiti kuti idziwe zolakwika zomwe zilipo.
Kufalitsa zowongolera
Base imatumiza mauthenga owongolera awa ku rover kudzera pa wailesi kapena pa intaneti m'nthawi yomweyo.
Kupeza chithandizo cha fixed
Rover imagwiritsa ntchito zowongolerazo, kuthetsa zosagwirizana kuti ipezeke malo odziwika bwino pa mulingo wa masentimita.
Chithandizo chokhazikika cha RTK (fixed solution) chimapereka kulondola kwa masentimita, koma chithandizo cha float, chomwe chimachitika ngati dongosolo silingathe kuthetsa kotheratu zosagwirizana za zizindikiro, chikhoza kupereka kulondola kwa mulingo wa desimita basi. Nthawi zonse tsimikizirani kuti ili pa fixed musanalembe mfundo zanu zoyeza.
GPS imakuuzani pafupifupi komwe muli. RTK imakuuzani ndendende komwe muli, kufika pa masentimita ochepa.
Chifukwa Chake RTK Ili Yaofunika Pa Ntchito Yoyesa Nthaka
Mfundo iliyonse yoyezera mosamala, kuyambira malire a malo mpaka kukhazikitsa zomangamanga, imadalira pa ubale wa zowongolera pakati pa base ndi rover uyu kuti ugwire ntchito bwino. Magulu athu a DGPS survey ndi ma drone amagwiritsa ntchito RTK positioning monga msana wopezera mauthenga olondola pa GIS mapping pa ntchito iliyonse.
Kodi mukufuna mauthenga oyeseza malo olondola pa masentimita?
Tiuzeni za ntchito yanu ndipo tifotokoza njira yathu ya RTK positioning.
Mafunso Aganizidwa Kawirikawiri
RTK imayimira Real-Time Kinematic, njira ya GNSS positioning yomwe imagwiritsa ntchito zowongolera za base station kuti ipezeke kulondola kwa mulingo wa masentimita.
GPS wamba imalondola pa mamita ochepa, pomwe RTK imagwiritsa ntchito zowongolera kuchokera ku base station kutsitsa kulondola kumeneko kufika pa masentimita m'nthawi yomweyo.
Base station ndi chovandikira (receiver) chomwe chimayikidwa pamalo odziwika bwino chomwe chimawerengera zolakwika za zizindikiro za masesetilaiti ndikufalitsa zowongolera ku zovandikira za rover.
Fixed solution imapeza kulondola kwathunthu kwa masentimita, pomwe float solution imachitika pamene zosagwirizana sizinathetsedwe kotheratu, zomwe zimatsogolera ku kulondola kwa mulingo wa desimita.
Eya, mtunda wautali wa baseline ukhoza kuchepetsa kudalirika ndi kulondola kwa zowongolera, nchifukwa chake base station nthawi zambiri imasungidwa pafupi ndi malo omwe akuyezedwa.
Mauthenga owongolera nthawi zambiri amatumizidwa kudzera pa wailesi pa malo akufupi kapena pa intaneti pa malo akuluakulu.
CORS network ndi dongosolo la ma base station okhazikika omwe amapereka zowongolera za RTK pamalo adziko lonse popanda kufunikira base station yanuko.
Eya, RTK ndi PPK positioning nthawi zambiri zimayikidwa m'machitidwe a drone survey kuti zipezeke kulondola kwapamwamba popanda kufunikira mfundo zambiri zodziwika pansi (ground control points).
Nyengo yoipa ya m'mwezi nthawi zina imatha kusokoneza mulingo wa zizindikiro, ngakhale ma dongosolo amakono a RTK amakhala olimba pamikhalidwe wamba ya nyengo.
RTK positioning yokhala ndi fixed solution imapereka kulondola kofunikira pa ntchito za malire a malamulo, ngakhale miyezo ndi njira zotsimikizira za m'deralo zikugwirabe ntchito.
Msewu uwu unayikidwa kwa ogula ntchito zokha. Chonde musalumikizane chifukwa cha maphunziro, kuphunzitsa, kapena mafunso a ntchito.