[PDF] Top 20 GPS precise point positioning for UAV photogrammetry

... conventional photogrammetry using manned aerial platforms, Heipke et ...Global Positioning System (GPS) receiver, antenna and inertial measurement unit ...so-called GPS-supported aerial ... See full document

... Abstract— Precise point positioning (PPP) is highly dependent on the precise ephemerides and satellite clock products that are ...static positioning accuracy and precision when using ... See full document

... dual-frequency precise point positioning (PPP) model, which com- bines the observations of three different GNSS constellations, namely GPS, Galileo, and ...system GPS, Galileo, and ... See full document

... the positioning error results and the GNSS satellite availability for CUT0 and UNB stations, respectively, as ...combined GPS/ GLONASS PPP positioning solution, the additional Galileo and BeiDou ... See full document

... The GPS signal is delayed when propagating through the ionosphere and ...the GPS and NCEP CFSv2 re-analysed ...preprocessing. Precise orbital and clock products, with 30 s and 5 s intervals, ... See full document

... A GPS tracking unit is a device that uses the Global Positioning System to determine the precise location of a vehicle, person, or other asset to which it is attached and to record the position of ... See full document

... of GPS positioning that are being implemented around the world to correct GPS ...for GPS positioning of correcting GPS observations to the user ... See full document

... PPPBox, a GNSS processing software based on GPS Toolkit, was modified and developed by the authors to process the multi-GNSS data in these aforementioned PPP approaches. For brevity, the ECMWF-augmented PPP using ... See full document

... of GPS data from a global network consisting of ten randomly selected IGS stations is used (Figure ...IGS precise orbit and IGS precise clock corrections are used for satellite coordinates and ... See full document

... differential GPS network solution using one complete week of 30-second GPS data (in RINEX format) and highly traceable, standardised, scientific processing using the Bernese ...for positioning ... See full document

... also, GPS is being used for numerous applications in diverse fields like aircraft and ship navigation, surveying, geodetic control networks, crustal deformation studies, cadastral surveys, creation of GIS ... See full document

... Single Point Positioning with G/G/B receiver there are 6 parame- ters to estimate at each epoch, the 3D coordinates of the receiver (antenna) and the 3 receiver clock ...broadcast precise time scale ... See full document

... 24 GPS/GLONASS single frequency receiver was installed in the aircraft, and another GG-24 receiver was located at a surveyed ground reference ...the GPS and GPS/GLONASS receivers were installed at ... See full document

... resolution step is challenging, but its feasibility has been demonstrated using GPS data (Laurichesse et al. 2009). Recently, Katsigianni et al (2018a, b) and Li et al. (2018) have shown that such method can be ... See full document

... While code ISBs may reach into tens of meters and phase ISBs can approach a half cycle, the values remained relatively constant over time, drifting just a few nanoseconds per day[5][13]. Another study, however, which ... See full document

... Individual GPS satellites were continuously visible for up to 10 hours and 48 minutes, while Galileo satellites for maximum 14 hours and 18 ...the GPS only, Galileo only, and GPS plus Galileo cases ... See full document

... To test the benefit of this new method on the reconvergence time, 3 hours of simulated Galileo data were processed with the POINT software in kinematic mode. After 90 minutes, the PPP filter was force to restart ... See full document

... the precise point measurement of tidal response is commonly measured by various instruments such as super-conducting gravimeters, strain meter and tilt ...of precise space geodetic techniques such as ... See full document

... 36 Positioning ing techniques [1]. With RTK, centimeter-level positioning accuracy can be achieved, which makes this technique the standard choice for precise navigation applications such as machine ... See full document

... (from GPS- only receivers to multi-GNSS receivers) compared to their initial deployment, the predicted “thinning” of CORS networks in the multi-frequency GNSS era, and the many other advantages of CORSs themselves ... See full document