Results 31 to 40 of about 18,391 (273)
Sensors, 2020 With the development of Global Navigation Satellite System (GNSS) and the opening of Application Programming Interface (API) of Android terminals, the positioning research of Android terminals has attracted the attention of GNSS community. In this paper,
Guangxing Wang +5 more
doaj +1 more source
Integrity monitoring scheme for single-epoch GNSS PPP-RTK positioning
Satellite Navigation, 2023 Integrity monitoring for precise point positioning is critical for safety-related applications. With the increasing demands of high-accuracy autonomous navigation for unmanned ground and aerial vehicles, the integrity monitoring method of high-precision ...
Wenhao Zhang, Jinling Wang
doaj +1 more source
The Study of Position Accuracy Using Precise Point Positioning (PPP) In Perspective of Indonesian National Standard of Horizontal Reference Network [PDF]
E3S Web of Conferences, 2019 Precise point positioning is a GNSS based positioning method that is known to regaining more precise information about major systematical errors in its functional model.
Azis Rasyad A. +2 more
doaj +1 more source
Remote Sensing, 2021 The space segment of all the five satellite systems capable of providing precise position services, namely BeiDou Navigation Satellite System (BDS) (including BDS-3 and BDS-2), Global Positioning System (GPS), GLObal NAvigation Satellite System (GLONASS),
Xuanping Li, Lin Pan
doaj +1 more source
Remote Sensing, 2021 On 31 July 2020, the Beidou global navigation satellite system (BDS-3) was officially announced as being commissioned. In addition to offering global positioning, navigation, and timing (PNT) services, BDS-3 also provides precise point positioning (PPP ...
Zhixi Nie +3 more
doaj +1 more source
PPP-RTK with Rapid Convergence Based on SSR Corrections and Its Application in Transportation
Remote Sensing, 2023 Real-time Kinematic (RTK) positioning provides centimeter-level positioning accuracy within several seconds, but it has to rely on a nearby base station.
Xiangdong An +2 more
doaj +1 more source
, 2017 The fundamental dynamic property of the structures is the oscillation frequency, which can be derived from the response measurements. The structures with a short/medium/long span (e.g.
C. O. Yigit, E. Gurlek
semanticscholar +1 more source
Hepatology Communications, EarlyView., 2022 Abstract Nonalcoholic fatty liver disease (NAFLD) is increasing in prevalence and severity globally, prompting noninvasive testing, yet limited data exist on noninvasive liver tests (NITs) including transient elastography (TE) in ethnically diverse populations.
Anne‐Marieke van Dijk +6 more
wiley +1 more source
BDS-3/GPS/Galileo OSB Estimation and PPP-AR Positioning Analysis of Different Positioning Models
Remote Sensing, 2022 With the completion of the BeiDou Global Navigation Satellite System (BDS-3), the multi-system precise point positioning ambiguity resolution (PPP-AR) has been realized. The satellite phase fractional cycle bias (FCB) is a key to the PPP-AR.
Bo Li +8 more
doaj +1 more source
Real-time GNSS precise point positioning with smartphones for vehicle navigation
Satellite Navigation, 2022 The availability of raw Global Navigation Satellite System (GNSS) measurements from Android smart devices gives new possibilities for precise positioning solutions, e.g., Precise Point Positioning (PPP).
Zishen Li +4 more
doaj +1 more source