• No results found

GNSS and GPS

Media Planner Delivering the world of GNSS: GPS Galileo GLONASS BeiDou QZSS IRNSS WAAS EGNOS and more!

Media Planner Delivering the world of GNSS: GPS Galileo GLONASS BeiDou QZSS IRNSS WAAS EGNOS and more!

... Published in February. Now in its 22st year, the GPS World 2014 GNSS Antenna Survey provides the most comprehensive database of GPS and GNSS antennas. With performance specifications on more ...

10

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

... different GNSS constellations, namely GPS, Galileo, and ...system GPS, Galileo, and BeiDou when forming BSSD linear ...Canada’s GPS Pace PPP software is modified to enable a combined ...

12

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

... the GNSS satellite availability for CUT0 and UNB stations, respectively, as ...combined GPS/ GLONASS PPP positioning solution, the additional Galileo and BeiDou observations have a marginal effect on the ...

12

Precipitable water vapour content from ESR/SKYNET sun–sky radiometers: validation against GNSS/GPS and AERONET  over three different sites in Europe

Precipitable water vapour content from ESR/SKYNET sun–sky radiometers: validation against GNSS/GPS and AERONET over three different sites in Europe

... The GNSS methodology is based on the signal received from position- ing satellites by ground-based antennas; W calculated with this technique has a high temporal resolution (typically from 30 s to tens of minutes, ...

14

PRECISION AGRICULTURE SERIES TIMELY INFORMATION Agriculture, Natural Resources & Forestry. GPS/GNSS Related Terminology

PRECISION AGRICULTURE SERIES TIMELY INFORMATION Agriculture, Natural Resources & Forestry. GPS/GNSS Related Terminology

... by GPS/GNSS satellites that is equipped with two super- imposed codes, the Coarse Acquisition (C/A) code for civilian use and the Precision code (P-Code) for military use ...of GPS Modernization will ...

12

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 ...

13

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 ...

10

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)

... superior GPS positional accuracy because of the more extensive precise partition between the satellites to calculate GPS user position ...determination. GPS receivers extracts several parts of DOP, ...

5

GNSS and its impact on position estimates

GNSS and its impact on position estimates

... the GNSS signals use code division mul- tiple access (CDMA), except legacy Glonass signals which use the frequency division multiple access (FDMA) ...technique. GNSS signals contain ranging codes and ...

7

Using RTK GNSS to measure cadastral distances

Using RTK GNSS to measure cadastral distances

... The USQ continuously operating base station ‘Ananga’ was used to derive the real time corrections for the RTK observations. Corrections were received through the CMR+ format via a radio link. The base station is a stable ...

17

Statistical framework for estimating GNSS bias

Statistical framework for estimating GNSS bias

... A considerable number of prior studies have attempted to solve this tomographic inversion problem in three dimen- sions for beacon satellites as well as for GPS satellites (see, e.g., Bust and Mitchell (2008) and ...

10

CO-GPS: Energy Economical GPS tracking with IoT

CO-GPS: Energy Economical GPS tracking with IoT

... redundancy) GNSS satellites in the sky, each orbiting the Earth about two cycles a ...standalone GPS, as seen in vehicles, can take up to a minute to acquire its first location, a metric called time to ...

14

Research on GNSS Signal Abnormal Monitoring Technology

Research on GNSS Signal Abnormal Monitoring Technology

... The monitoring of code load deviation is an important part of signal quality monitoring module in GPS local area enhancement system. Ideally, for the same satellite, the pseudo-distance between two adjacent epoch ...

9

Study of Ionospheric Variability Using GNSS Observations

Study of Ionospheric Variability Using GNSS Observations

... Over the three years, the values of VTEC-GIM are in perfect agreement with those of VTEC-GNSS in all years studied. Both methods are on dual-frequency GPS observations. However, the TEC-GIM data was ...

18

GNSS based passive radar for UAV monitoring

GNSS based passive radar for UAV monitoring

... with T being the duration of the code used by the satellite. Rearranging (2) it is possible to express the maximum detectable range for a certain set of configurations. The values for each parameter where selected ...

6

An Adaptive Multipath Mitigation Filter for GNSS Applications

An Adaptive Multipath Mitigation Filter for GNSS Applications

... noncoherent GPS receiver code tracking architecture on the carrier phase multipath error in- cluding a thorough validation of carrier phase multipath the- ory was presented [18, ...

10

GNSS data filtering optimization for ionospheric observation

GNSS data filtering optimization for ionospheric observation

... The data here analysed have been acquired by a GISTM (GPS Ionospheric Scintillation and TEC Monitor) receiver located in Rome, Italy (receiver ID NSF01, geographic coordinates: 41°49’N, 12°30’E) from January 2013 ...

14

An overview of GNSS remote sensing

An overview of GNSS remote sensing

... the GNSS-RO technique is able to measure the Earth’s atmospheric parameters with unprecedented high accuracy, high resolution and global coverage ...prognosis. GPS RO has been operationally used in ...

14

Probabilistic properties of GNSS integer ambiguity estimation

Probabilistic properties of GNSS integer ambiguity estimation

... future GNSS models. Apart from the current Global Positioning System (GPS) models, it also applies to the future modernized GPS and the future European Galileo ...of GNSS models, together with ...

5

Safety of GNSS-like underwater positioning systems

Safety of GNSS-like underwater positioning systems

... of GNSS under water is not ...of GPS into LPS, that is, in the Local Position ...called GNSS-like Underwater Positioning Systems or GNSS-like ...areas, GNSS-like UPS are divided into ...

12

Show all 1716 documents...

Related subjects