Positioning with stationary emitters in a two-dimensional space-time [PDF]
, 2006 The basic elements of the relativistic positioning systems in a two-dimensional space-time have been introduced in a previous work [Phys. Rev. D {\bf 73}, 084017 (2006)] where geodesic positioning systems, constituted by two geodesic emitters, have been ...
B. Coll +6 more
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Research Article. Improved Dual Frequency PPP Model Using GPS and BeiDou Observations
Journal of Geodetic Science, 2017 This paper introduces a new dual-frequency precise point positioning (PPP) model, which combines GPS and BeiDou observations. Combining GPS and BeiDou observations in a PPP model offers more visible satellites to the user, which is expected to enhance ...
Afifi A., El-Rabbany A.
doaj +1 more source
Multi-Frequency Precise Point Positioning using GPS and Galileo data with smoothed ionospheric corrections [PDF]
, 2018 The poor signal visibility and continuity associated with urban environments together with the slow convergence/reconvergence time of Precise Point Positioning (PPP), usually makes PPP unsuitable for land navigation in cities.
Basile, Francesco +4 more
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Optimization method for multi-constellation precise point positioning performance evaluation [PDF]
Jisuanji gongcheng, 2019 In order to reduce the number of parameters to be estimated and improve the positioning accuracy in the data processing of multi-constellation Precise Point Positioning(PPP),a performance evaluation method based on ambiguity integer solution for the ...
HE Wei,GUO Chengjun,TIAN Zhong
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Research on precise positioning of AGV vision based on fuzzy path rectification
Dianzi Jishu Yingyong, 2018 For the traditional autonomous navigation vehicle(AGV), the problem of high-precision path tracking and precise positioning of key points can not be satisfied.
Li Zhao, Shu Zhibing, Yan Liang
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Instantaneous Sub-meter Level Precise Point Positioning of Low-Cost Smartphones
Navigation, 2023 The prevalence of inexpensive global navigation satellite system (GNSS) chips that facilitate the performance of carrier phase measurements has provided hardware that can be used as the foundation for implementing precise point positioning (PPP) of low ...
Jiale Wang +4 more
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Accuracy assessment of Precise Point Positioning with multi-constellation GNSS data under ionospheric scintillation effects [PDF]
, 2018 GPS and GLONASS are currently the Global Navigation Satellite Systems (GNSS) with full 16 operational capacity. The integration of GPS, GLONASS and future GNSS constellations can 17 provide better accuracy and more reliability in geodetic positioning, in
Aquino +29 more
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Static positioning technique for ground control point determination for precise mapping using unmanned aerial system [PDF]
, 2014 Mapping can be intense and laborious with the current method in term of the work environment, manpower, cost, time, and obviously, the equipment used for the work. Traditional mapping technique uses photogrammetry, total station and GPS.
Ahmad, Anuar +2 more
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A Dense Reference Network for Mass-Market Centimeter-Accurate Positioning [PDF]
, 2016 The quality of atmospheric corrections provided by a dense reference network for centimeter-accurate carrierphase differential GNSS (CDGNSS) positioning is investigated.
Gonzalez, Collin W. +3 more
core +1 more source
Helmert Variance Component Estimation for Multi-GNSS Relative Positioning [PDF]
, 2020 The Multi-constellation Global Navigation Satellite System (Multi-GNSS) has become the standard implementation of high accuracy positioning and navigation applications.
Fang, Zhenlong +5 more
core +2 more sources