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Metoda određivanja visina kombinacijom GNSS-a i laserskog sustava

Height Determination Principles Using Combined GNSS and Laser Systems
Authors: Paar, Rinaldo; Marendić, Ante; Zrinjski, Mladen;

Metoda određivanja visina kombinacijom GNSS-a i laserskog sustava

Abstract

GNSS RTK metodom nije moguće ostvariti milimetarsku preciznost prilikom mjerenja visina točaka. Postojeći GNSS sustavi omogućuju mjerenje visina točaka u RTK modu rada s preciznošću 2–3 centimetra. Za veliku većinu geodetskih zadataka ta preciznost je dovoljna, no za one najpreciznije inženjerske radove potrebno je ostvariti subcentimetarsku preciznost. Kombiniranjem GNSS RTK sustava s laserskom tehnologijom moguće je povećati preciznost mjerenja visina točaka sa centimetarske na milimetarsku razinu. U ovom radu prikazane su mogućnosti, prednosti i nedostaci Topcon GNSS RTK HiPer Pro sustava u kombinaciji sa Topcon LazerZoneTM tehnologijom, u svakodnevnim geodetskim zadacima za potrebe inženjerske geodezije. Usporedba navedenog sustava s klasičnim metodama određivanja visina točaka, tj. mjerenja visinskih razlika između njih, također je izložena u okviru rada. Visinske razlike između točaka uspostavljenih na testnom polju izmjerene su geometrijskim i trigonometrijskim nivelmanom, te su određene visine dotičnih točaka u odnosu na referentnu točku koja ima poznatu visinu. Visine određene geometrijskim nivelmanom uzete su kao referentne. Također su određene visine istih točaka RTK metodom i mmGPS-om. Napravljena je usporedba visina određenih trigonometrijskim nivelmanom, RTK metodom i mmGPS-om u odnosu na referentne visine. Na kraju rada, dana je ocjena točnosti za svaku od ovih metoda.

Country
Croatia
Keywords

preciznost, GNSS, GNSS; laserski sustav; RTK metoda; preciznost, precision, RTK method, laserski sustav, RTK metoda, laser system

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
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gold