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GNSS/GPS

GNSSim: An Open Source GNSS/GPS Framework for Unmanned Aerial Vehicular Network Simulation

GNSSim: An Open Source GNSS/GPS Framework for Unmanned Aerial Vehicular Network Simulation

... a GNSS simulation framework for the location and mobility-aware vehic- ular ...including GPS, GLONASS, Galileo, and ...inexpensive GNSS simulation frame- work for unmanned vehicular networks in ...

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Multiple Ambiguity Datum Precise Point Positioning Technique Using Multi Constellation GNSS: GPS, GLONASS, Galileo and BeiDou

Multiple Ambiguity Datum Precise Point Positioning Technique Using Multi Constellation GNSS: GPS, GLONASS, Galileo and BeiDou

... both GNSS code and phase ...errors. GNSS data produced from a number of MGEX stations was used to investigate the accuracy and convergence time for the different PPP ...traditional GPS/GLONASS PPP ...

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GNSS Multipath Reduction Using GPS and DGPS in the Real Case

GNSS Multipath Reduction Using GPS and DGPS in the Real Case

... of GNSS receiver for this type of ...in GNSS applications was ...Differential GPS (DGPS) and GPS, between two different sites with the same ...the GNSS MPs ...

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Improved Between Satellite Single Difference Precise Point Positioning Model Using Triple GNSS Constellations: GPS, Galileo, and BeiDou

Improved Between Satellite Single Difference Precise Point Positioning Model Using Triple GNSS Constellations: GPS, Galileo, and BeiDou

... single GNSS system such as Global Positioning System (GPS) is the limited number of visi- ble satellites in urban ...combined GPS, Galileo, and BeiDou observations becomes more ...Combining ...

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Investigation of Most Ideal GNSS Framework (GPS, GLONASS and GALILEO) for Asia Pacific Region (Bangladesh)

Investigation of Most Ideal GNSS Framework (GPS, GLONASS and GALILEO) for Asia Pacific Region (Bangladesh)

... precise GNSS system is undeniable in the present ...these GNSS system has very ...own GNSS system. Our aim is to utilize these GNSS system to develop a precise navigation system in the ...

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Evaluation Of Radio Frequency Interference (RFI) On Global Navigation Satellite System (GNSS) Signals

Evaluation Of Radio Frequency Interference (RFI) On Global Navigation Satellite System (GNSS) Signals

... of GNSS satellites circling the ...worldwide. GNSS satellites orbit well over the atmosphere, around 20,000 km over the world's ...two GNSS right now over the atmosphere which are GPS and ...

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On the inclusion of GPS precipitable water vapour in the nowcasting of rainfall

On the inclusion of GPS precipitable water vapour in the nowcasting of rainfall

... single GPS sta- tion and to identify conditions favourable for the triggering of ...of GPS PWV data with other meteorological measurements will surely improve the current nowcasting ...the GNSS data, ...

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Sea level: measuring the bounding surfaces of the ocean

Sea level: measuring the bounding surfaces of the ocean

... System, GPS, being one component) and Doppler Orbitography and Radiopositioning Integrated by Satellite ...International GNSS Service (IGS) [42] and International DORIS Service (IDS) ...

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Sea level: measuring the bounding surfaces of the ocean

Sea level: measuring the bounding surfaces of the ocean

... System, GPS, being one component) and Doppler Orbitography and Radiopositioning Integrated by Satellite ...International GNSS Service (IGS) [42] and International DORIS Service (IDS) ...

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A new approach for GNSS tomography from a few GNSS stations

A new approach for GNSS tomography from a few GNSS stations

... double-differenced GPS observations and double- differenced phase ...in GNSS tomographic ...contain GNSS signals reached the ...of GNSS observa- tions in the modeling by adding extra voxels on ...

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Global navigation satellite systems performance analysis and augmentation strategies in aviation

Global navigation satellite systems performance analysis and augmentation strategies in aviation

... alone GNSS integrity ...redundant GNSS measurements are used to form a test-statistic from which a fault can be ...of GNSS failure detection started to be investigated ...the GPS system ...the ...

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Using Multiple GNSS Constellations with Strict Quality Constraints for More Accurate Positioning in Urban Environments

Using Multiple GNSS Constellations with Strict Quality Constraints for More Accurate Positioning in Urban Environments

... a GNSS receiver antenna on the roof of a car and moved around in the urban-canyon ...multi-constellation GNSS receiver on October 1, ...were GPS, QZSS, BeiDou, and ...

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Determining Real Permittivity  from Fresnel Coefficients in GNSS-R

Determining Real Permittivity from Fresnel Coefficients in GNSS-R

... some GNSS-R measurements carried out in a controlled environment located in Grugliasco, Torino ...direct GPS signals were measured using a right-hand circular polarized (RHCP) antenna, while the reflected ...

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Calculation of the lower limit of the spoofing signal ratio for a GNSS receiver spoofer

Calculation of the lower limit of the spoofing signal ratio for a GNSS receiver spoofer

... theoretical values minus real values measured by GPS. After adding noise, the difference between the theor- etical value and the measured data increases, but the maximum values in these three cases do not exceed 2 ...

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Research on time difference detection algorithm based on combination of GNSS and PPP

Research on time difference detection algorithm based on combination of GNSS and PPP

... of GNSS in the time and frequency domain has been more than 30 years old, the study of time difference monitoring between systems using the GNSS technology method is still at a preliminary stage of ...other ...

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Research on multi constellation GNSS compatible acquisition strategy based on GPU high performance operation

Research on multi constellation GNSS compatible acquisition strategy based on GPU high performance operation

... for GNSS signal capture, so as to achieve the features of multi- logic channel capture and multi-functional ...for GPS, BDS, and GLONASS systems, and the latter is used in the Galileo ...

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Comparative analysis of real time precise point positioning zenith total delay estimates

Comparative analysis of real time precise point positioning zenith total delay estimates

... these GNSS-derived tropospheric parameters (ZTD and IWV) can further be assimilated into numerical weather prediction (NWP) models having a positive impact on the quality of weather forecasts (Bennitt and Levick, ...

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Contribution of GNSS CORS Infrastructure to the Mission of Modern Geodesy and Status of GNSS CORS in Thailand

Contribution of GNSS CORS Infrastructure to the Mission of Modern Geodesy and Status of GNSS CORS in Thailand

... all GNSS and RNSS will be in the L1 and L5 frequency ...and GNSS in ...planned GNSS and RNSS signals and hence will stand to benefit from the extra satellite transmission more than users in Europe or ...

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PROBLEM OF THE USE OF DUAL-FREQUENCY GNSS RECEIVERS IN BENIN

PROBLEM OF THE USE OF DUAL-FREQUENCY GNSS RECEIVERS IN BENIN

... of GNSS was accentuated from the year 2010 thanks to the project Millennium Challenge Account (MCA-Benin) through its component "access to ...of GPS based on the permanent stations begins to fit into ...

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Quantifying deformation in North Borneo with GPS

Quantifying deformation in North Borneo with GPS

... active deformation zones bordering the south Philippine and Sulawesi Islands (Fig. 1). North Borneo is located at the junc- tion between the North-West Borneo Trough and the Sulu Sea fold-and-thrust belt, to the north of ...

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