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gps positioning

Seashore GPS Positioning Intelligent Monitoring System

Seashore GPS Positioning Intelligent Monitoring System

... The main chip is a MC13224 chip developed by Freescale [7]. This ZigBee chip integrates a complete low-power 2.4 GHz radio transceiver, 32-bit ARM7 processor, a hardware accelerator for secure encryption of 802.15.4, MAC ...

5

GPS positioning improvement by mitigating the ionospheric horizontal gradient

GPS positioning improvement by mitigating the ionospheric horizontal gradient

... the GPS signals as they propagate through the ionosphere have been ...to GPS positioning has been ...work, GPS positioning improvement were done by mitigating the ionosphere horizontal ...

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A STUDY OF GPS POSITIONING ERROR ASSOCIATED WITH TROPOSPHERIC DELAY DURING NUMA MEDITERRANEAN CYCLONE

A STUDY OF GPS POSITIONING ERROR ASSOCIATED WITH TROPOSPHERIC DELAY DURING NUMA MEDITERRANEAN CYCLONE

... GNSS positioning performance in adverse and seriously disturbed positioning environments reveal the information about the nature and causes of GNSS positioning performance ...grade GPS ...

12

The influnce of different processing parameters on estimated variation of GPS positioning

The influnce of different processing parameters on estimated variation of GPS positioning

... Another parameter to be taken into account in data processing is the elevation cut-off angle. Often denoted to elevation mask angle, it is a setting for the tracked satellites angle in relative to the receiver’s antenna. ...

9

New Algorithms on the Solution to Drifting Problem of GPS Positioning

New Algorithms on the Solution to Drifting Problem of GPS Positioning

... on GPS technology have been burgeoning. GPS receivers have been available for pedestrians, vehicles and other moving targets where GPS antennas or GPS vehicle computers can be equipped ...

7

Stability of VLBI, SLR, DORIS, and GPS positioning

Stability of VLBI, SLR, DORIS, and GPS positioning

... The ITRF2000 combination, based on sets of station po- sitions and velocities, took into account one global weight factors for each individual TRF entering into the combi- nation (Altamimi et al., 2002). The ITRF2005 ...

23

Analysis and Mitigation of Tropospheric Error Effect on GPS Positioning Using Real GPS Data

Analysis and Mitigation of Tropospheric Error Effect on GPS Positioning Using Real GPS Data

... Abstract—The GPS (Global Positioning System) is used for navigation and positioning purposes by a diverse set of ...commercial GPS receiver is subject to errors contributed by various ...in ...

5

Study of ionospheric disturbances over the China mid  and low latitude region with GPS observations

Study of ionospheric disturbances over the China mid and low latitude region with GPS observations

... on GPS dense regional ...used GPS observations to investigate the influence of ionospheric disturbances induced by geomagnetic storm on kinematic GPS ...static positioning at ...

9

Application of Multi-Source Data Hybrid Technology in Navigation and Communication Technology

Application of Multi-Source Data Hybrid Technology in Navigation and Communication Technology

... Vehicle positioning is the most critical function in the vehicle navigation ...Global positioning system is a commonly used positioning ...However, GPS positioning has many ...

15

Power spectral density analysis of ocean wave by using GPS buoy

Power spectral density analysis of ocean wave by using GPS buoy

... kinematic GPS positioning software based on the proposed methodology developed at the Astronomical Institute, University of Bern, ...the GPS precise ephemeris technique was utilized by default to ...

5

GPS/BDS relative positioning assessment by zero baseline observation

GPS/BDS relative positioning assessment by zero baseline observation

... BDS positioning bias caused by multipath is complex. GPS positioning bias caused by multipath has very strong consistence with the GPS orbital period, which is different in BDS ...point ...

16

Unscented Kalman Filter for GPS Based Positioning and Tracking Services

Unscented Kalman Filter for GPS Based Positioning and Tracking Services

... world, GPS requirement is increasing in almost every field for different ...is GPS receiver positioning in defense and civilian applications like online transportation tracking status, tracking ...

6

Get2School : An Android Application to Track School Location

Get2School : An Android Application to Track School Location

... of GPS positioning under worse situation that you can see few GPS satellites because they increase the number of satellites which are available to use for position ...to GPS calculating method ...

5

Individual plant care in cropping systems

Individual plant care in cropping systems

... (RTK) GPS positioning and a data acquisition ...attached GPS-antenna, an inclinometer was added to log the tilt ...the GPS time and the UTM coordinates at a 20 Hz sample ...

6

Analysis of GPS Single Point Positioning and Software Development

Analysis of GPS Single Point Positioning and Software Development

... to GPS positioning we all have an overview of how it ...perform positioning with accurate results, for example ...of GPS Positioning on proper knowledge of input ...static ...

7

GPS precise point positioning for UAV photogrammetry

GPS precise point positioning for UAV photogrammetry

... of GPS-based camera ...(GSD), GPS positions accurate to the centimetre level can assist in yielding mapping also with centimetre accuracy (Turner et ...Code-based GPS positioning techniques ...

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Quantification Of Ionospheric Scintillation On Global Positioning System (GPS)

Quantification Of Ionospheric Scintillation On Global Positioning System (GPS)

... Global Positioning System (GPS) is used extensively in both the military and civilian communities for such diverse activities as navigation, surveying, remote sensing, asset management and precise ...of ...

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The Application and Analysis of Nonlinear Filtering Used in GPS Dynamic Positioning

The Application and Analysis of Nonlinear Filtering Used in GPS Dynamic Positioning

... of GPS dynamic positioning, is to use the GPS signals, relative to the user state of the antenna parameters of motion of the earth, the state parameter generally includes 3 d coordinate seven, ...

7

Study the Effect of Surrounding Surface Material Types on the Multipath of GPS Signal and Its Impact on the Accuracy of Positioning Determination

Study the Effect of Surrounding Surface Material Types on the Multipath of GPS Signal and Its Impact on the Accuracy of Positioning Determination

... After the dataset collected for four days are superposed to maintain the same satellite configuration, the observations obtained under the multipath geometries are investigated by comparing them against the non-multipath ...

7

Tracking a Moving Object according to the Angle and the Direction via a Smartphones over GPS plus Wi Fi Coverage with GPRS/3G

Tracking a Moving Object according to the Angle and the Direction via a Smartphones over GPS plus Wi Fi Coverage with GPRS/3G

... There are two ways of operation in each infrastructure- supported positioning system with bidirectional communication. The first one is for the mobile itself to compute its position. In that case, the mobile ...

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