Results 21 to 30 of about 42,160 (181)

Assessment of the PPP-AR Strategy for ZTD and IWV in Africa: A One-Year GNSS Study

open access: yesAtmosphere
With the increasing demand for near real-time atmospheric water vapor monitoring, this study evaluates the performance of the open-source PRIDE PPP-AR software (version 3.0.5) for retrieving Zenith Total Delay (ZTD) and Integrated Water Vapor (IWV) over ...
Pierre Bosser
exaly   +3 more sources

Advances in UAV Operations for Valley-Type Mapping with Different Duration Period PPP-AR Methods in GCP

open access: yesApplied Sciences
This study evaluates the performance of the Precise Point Positioning with Ambiguity Resolution (PPP-AR) method under varying durations and software platforms in determining the optimal placement of Ground Control Points (GCPs) for use in photogrammetric
Burhaneddin Bilgen   +2 more
doaj   +2 more sources

Dual-Frequency Kinematic PPP in Free-Multipath Open-Sky: CSRS-PPP vs. PPP-WIZARD Vs. APPS

open access: yesInternational Journal for Research in Applied Science and Engineering Technology
This study assesses the performance of kinematic Precise Point Positioning (PPP) using three freely available online services: the Canadian Spatial Reference System Precise Point Positioning (CSRS-PPP), PPP-WIZARD, and the Automatic Precise Positioning Service (APPS).
exaly   +2 more sources

Investigations into the quality of final-product dual-frequency kinematic PPP in open sky using CSRS-PPP free online service: GPS Vs. GPS + GLONASS

open access: yesGlobal Journal of Engineering and Technology Advances
The Global Positioning System (GPS) provides accurate, continuous, and global positioning and timing information through satellite-based observations. However, single-system configurations are limited by satellite geometry and signal availability, which can affect positioning reliability in dynamic environments.
exaly   +3 more sources

Using PPP-GNSS Technique for Detecting Surface Motion due to Earthquake Shaking based on time-domain analysis [PDF]

open access: yesPort Said Engineering Research Journal, 2021
Many earthquakes with moderate magnitude have occurred in many areas in the world. The common procedures to extract the dynamic responses mainly depend on monitoring the change of the points in a time interval.
Rasha Abd El wadood   +4 more
doaj   +1 more source

THE PERFORMANCE ANALYSIS OF THE POST-MISSION WEB-BASED STATIC AND KINEMATIC PPP-AR SERVICE

open access: yesRudarsko-geološko-naftni Zbornik, 2023
The use of the Precise Point Positioning (PPP) technique has become very advantageous with the development of GNSS positioning technology. It is possible to get highly accurate position information without the need of any reference station data using the
Bilal Mutlu   +2 more
doaj   +1 more source

Studying the Fixing Rate of GPS PPP Ambiguity Resolution Under Different Geomagnetic Storm Intensities

open access: yesSpace Weather, 2023
Global Positioning System (GPS) Precise Point Positioning (PPP) with correct fixing ambiguity resolution (AR) can reach cm‐mm level positioning accuracy. However, this accuracy can be degraded by the geomagnetic storm effects.
Xiaomin Luo   +4 more
doaj   +1 more source

Determination of the Precise Coordinates of the GPS Reference Station in of a GBAS System in the Air Transport

open access: yesCommunications, 2020
This paper presents results of research concerning determination of the GPS reference station coordinates located on the grounds of an EPDE airport in Deblin.
Kamil Krasuski, Stepan Savchuk
doaj   +1 more source

Long periodicals in the position of permanent GNSS stations [PDF]

open access: yesE3S Web of Conferences, 2021
The relevance of the study of the movements of base reference stations is determined by the task of improving the accuracy and reliability of the results of geodetic monitoring carried out using GNSS technologies.
Ivanova Victoria, Tyurin Sergey
doaj   +1 more source

Web tabanlı GNSS Yazılımlarının (CSRS-PPP, Trimble-RTX) Performansının Araştırılması

open access: yesGeomatik, 2020
Son yıllarda internet üzerinden online GNSS değerlendirme servisleri konum elde etmede önemli bir araç olarak kullanılmaktadır. Bu sistemlerin en önemli özelliği GNSS verilerinin değerlendirme konusunda hiçbir bilgiye sahip olmayan kişilerin veriyi rahatlıkla değerlendirebilmesine olanak sunması ve ücretsiz olmasından dolayı ticari veya bilimsel ...
Samed İNYURT, Mustafa ULUKAVAK
openaire   +3 more sources

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