Vplyv rušenia GNSS signálu na geodetické meranie
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2022-02-03
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Vysoké učení technické v Brně,Fakulta stavební
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Globálne navigačné satelitné systémy (ďalej GNSS) sú založené na príjme signálov z družíc pohybujúcich sa vo výške okolo 20 000 km nad zemským povrchom. To predstavuje veľkú náchylnosť na rušenie týchto signálov. V poslednom čase sa na nás ako správcov služby SKPOS, naši používatelia obracajú s problémami pri meraní v blízkosti cestnej infraštruktúry. Od roku 2010 platia na Slovensku vozidlá nad 3.5 tony elektronické mýto podľa prejdených kilometrov, ktoré sa zaznamenávajú pomocou GPS. Práve to vedie k zvýšenému používaniu jednoduchých rušičiek GNSS signálu vodičmi nákladných vozidiel, a tým aj k ovplyvňovaniu iných, napr. geodetických meraní využívajúcich GNSS v ich blízkosti.
Global Navigation Satellite Systems are based on receiving GNSS signals from Medium Earth Orbit (MEO) satellites around 20 000 km above the Earth. It represents a high susceptibility to interference of these signals. Recently, our users have been contacting us as SKPOS service administrators with problems when measuring near the road infrastructure. Since 2010, vehicles over 3.5 tons have paid electronic tolls in Slovakia according to mileage, which are tracked using GPS. This has caused an increased usage of simple GNSS signal jammers. The author of the article conducted an experiment with the aim to determine the influence of the GNSS signal jammer on geodetic measurements.
Global Navigation Satellite Systems are based on receiving GNSS signals from Medium Earth Orbit (MEO) satellites around 20 000 km above the Earth. It represents a high susceptibility to interference of these signals. Recently, our users have been contacting us as SKPOS service administrators with problems when measuring near the road infrastructure. Since 2010, vehicles over 3.5 tons have paid electronic tolls in Slovakia according to mileage, which are tracked using GPS. This has caused an increased usage of simple GNSS signal jammers. The author of the article conducted an experiment with the aim to determine the influence of the GNSS signal jammer on geodetic measurements.
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Družicové metody v geodézii a katastru 2022, s. 73-78. ISBN 978-80-86433-77-6.
http://geodesy.fce.vutbr.cz/konference/gnss-seminar/
http://geodesy.fce.vutbr.cz/konference/gnss-seminar/
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sk
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© Vysoké učení technické v Brně, Fakulta stavební