inttransИнтеллектуальный транспортIntelligent transport3033-6007АО «НИИАС»inttrans-37Research ArticleГЕОИНФОРМАЦИОННЫЕ ТЕХНОЛОГИИ И СИСТЕМЫ НА ТРАНСПОРТЕДифференциальное и высокоточное позиционированиеDifferential and high-precision positioningЦветковВ. Я.TsvetkovV. Ya.

д.т.н., профессор, начальник Научного отдела

Москва

D.ofSci.(Tech), Professor, Head of Scientific Department

Moscow

cvj7@mail.ruДоМинь ТуанDoMinh Tuan

к.т.н, доцент

Хошимин

PhD(Tech), Associate Professor

Ho Chi Minh City

tuandm@hcmunre.edu.vnАО «НИИАС»РоссияJSC "NIIAS"Russian FederationХошиминский университет натуральных ресурсов и окружающей средыВьетнамHo Chi Minh City University of Natural Resources and EnvironmentViet Nam20241209202604(32)3036Copyright © Цветков В.Я., До М., 20262026Цветков В.Я., До М.Tsvetkov V.Y., Do M.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://www.intelligent-transport.ru/jour/article/view/37

Цель работы исследование методов спутникового позиционирования применительно к определению местоположения подвижных объектов. Мотивацией написания статьи послужило терминологическое несоответствие, которое встречается в некоторых источниках литературы. В частности, ошибочно называют дифференциальное позиционирование высокоточным, а о высокоточном не говорят. Статья показывает различие между позиционированием технологии GPS, между позиционированием технологии DGPS и технологией precise point positioning PPP. Раскрывается содержание каждой технологии и дается систематика реализации методов. Показано, что для задач транспорта целесообразно применять концепцию PPP в реальном времени (RT-PPP). Для вычисления поправок орбит и часов GNSS в реальном времени целесообразно использовать динамический и полудинамический метод.

The purpose of the work is to study the methods of satellite positioning as applied to determining the location of moving objects. The motivation for writing the article was the terminological inconsistency that occurs in some sources of literature. In particular, differential positioning is mistakenly called high-precision, and high-precision is not mentioned. The article shows the difference between GPS positioning, DGPS positioning and precise point positioning PPP. The content of each technology is disclosed and a taxonomy of the implementation of methods is given. It is shown that for transport tasks it is advisable to apply the concept of PPP in real time (RT-PPP). To calculate corrections to GNSS orbits and clocks in real time, it is advisable to use the dynamic and semi-dynamic method.

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The authors declare that there are no conflicts of interest present.