منابع مشابه
Global Positioning System (GPS) Bias Correction and
Seasonal variation in habitat selection by the mountain goat Oreamnos americanus is not well understood due to the difficulties of monitoring animal movement in all months of the year. The use of global positioning system (GPS) wildlife telemetry collars offers an opportunity to overcome this obstacle, however satellite acquisition problems associated with GPS wildlife telemetry collars create ...
متن کاملEnergy-Efficient GPS-Based Positioning in the Android Operating System
We present our ongoing collaborative work on EnDroid, an energy-efficient GPS-based positioning system for the Android Operating System. EnDroid is based on the EnTracked positioning system, developed at the University of Aarhus, Denmark. We describe the current prototypical state of our implementation and present our experiences and conclusions from preliminarily evaluating EnDroid on the Goog...
متن کاملHow is it made? Global Positioning System (GPS)
Recently, after a family trip, a friend of mine decided to go back to use his old paper map in his travels and to put his GPS receiver to rest for ever. This came after a series of deceptions by this little device with the annoying automated voice and the 4" screen and the constantly lost signal, his words notmine. The latest of these deceptions was a trip from Ottawa to Niagara Falls which too...
متن کاملGlobal Positioning System: The Mathematics of GPS Receivers
We will see that receivers use very simple mathematics, but that they use it in highly ingenious ways. Being able to locate our position on the surface of the earth has always been important for commercial, scientific, and military reasons. The development of navigational methods has provided many mathematical challenges, which have been met and overcome by some of the best mathematicians of al...
متن کاملAn IMU-Aided Carrier-Phase Differential GPS Positioning System
We consider the problem of carrier-phase differential GPS positioning for an land vehicle navigation system (LVNS), tightly coupled with an inertial measurement unit (IMU) and a speedometer. The primary focus is to apply Bayesian network to an IMU-aided GPS positioning system based on carrierphase differential GPS. We describe the implementation details of the positioning system that integrates...
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ژورنال
عنوان ژورنال: International Journal of Research in Engineering and Technology
سال: 2013
ISSN: 2321-7308,2319-1163
DOI: 10.15623/ijret.2013.0204031