Results 31 to 40 of about 206,978 (57)
Precise positioning in real-time using GPS-RTK signal for visually impaired people navigation system [PDF]
This thesis was submitted for the degree of Doctor of Philosophy and awarded by Brunel University, 24/9/2010.This thesis presents the research carried out to investigate and achieve highly reliable and accurate navigation system of guidance for visually ...
Al-Salihi, Nawzad Kameran
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A particle filtering approach for joint detection/estimation of multipath effects on GPS measurements [PDF]
Multipath propagation causes major impairments to Global Positioning System (GPS) based navigation. Multipath results in biased GPS measurements, hence inaccurate position estimates.
Giremus, Audrey +2 more
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GPS – Global Positioning System
Esta coleção dedica-se a selecionar objetos que, em conjunto, permitam uma exposição e aprofundamento do funcionamento do GPS (Global Positioning System), de utilização cada vez mais difundida na sociedade, seja em aparelhos celulares ou automóveis.
Filho, Nestor Cortez Saavedra
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Differenciális GPS vevő tervezése
Differenciális GPS mozgó vevő részének pontosítása, elméleti és gyakorlati megvalósítások használata.
Takács, Ádám
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The GPS flight recorder for homing pigeons works : design and first results [PDF]
This paper describes a first version of the GPS flight recorder for homing pigeons. The GPS recorder consists of a hybrid GPS board, a patch antenna 19*19 mm, a 3 V Lithium battery as power supply, a DCDC converter, a logging facility and an additional ...
Rüter, Eckhard +3 more
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Időszinkronizáció általános célú GPS modulokkal
Napjainkban a rohamosan növekvő adatforgalom a hálózat sávszélességének növekedését követeli. Míg a korábbi időkben a 10 és 100 Mbit/s-os hálózatok voltak elterjedőben, addig manapság ezt 1 és 10 Gbit/s-os hálózatokra bővítették.
Pógár, István, Máté, Ákos
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Improved Ionospheric Correction for Dual Frequency and Differential GPS Positioning Methods [PDF]
A new three dimensional (3-D) electron density model has been developed that can give a very accurate description of the real ionospheric variation; latitudinally,longitudinally and altitudinally.
Nagarajoo, Karthigesu
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Micro Satellite Navigation System Using GPS
AbstrakThe Global Positioning System (GPS) has been widely used for navigation. It has been applied in many aircrafts to provide means for autonomous navigation and path or trajectory correction. Recently, some spacecrafts had GPS receiver aboard to make
Momon Sadiyatmo +2 more
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OPERATIONAL ASPECTS OF ORBIT DETERMINATION WITH GPS FOR SMALL SATELLITES WITH A SAR PAYLOAD. [PDF]
Scientific small satellite missions for remote sensing with Synthetic Aperture Radar (SAR) payloads or high accuracy optical sensors, pose very strict requirements on the accuracy of the reconstructed satellite positions, velocities and accelerations ...
Zehetbauer, Tino +2 more
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GPS Based Attitude Determination for the Flying Laptop Satellite [PDF]
This paper introduces the GPS based attitude determination system (GENIUS) onboard the university small satellite Flying Laptop. The attitude determination algorithm which is based on a Kalman Filter and processes single differences of the C/A-code and ...
Gillmayer, Georg +5 more
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