نتایج جستجو برای: global positioning

تعداد نتایج: 472884  

Journal: :international journal of advanced biological and biomedical research 2014
ehsan kamran asadullah mirasi mousarreza samadi

with the continuous development of the industrialization process, the countries all over the world gradually appeared lack of agricultural labor force and aging phenomenon, which was especially prominent in developed countries. however the agricultural robot with high operating efficiency, high qualities of work will play an increasingly important role in future agricultural production. robot n...

Journal: :International Astronomical Union Colloquium 1980

What counts as global health? There has been limited discourse to date on the ways in which country-level contexts may shape positioning in global health agendas. By reviewing Japan’s response to the refugee crisis, we demonstrate a clash between rhetoric and action on global responsibility, and suggest that cultural and historical factors may be related to the ways of perceiving and acting upo...

Journal: :Journal of Structural Geology 1993

Journal: :Microwave and Optical Technology Letters 2013

2016
Ryosuke Fujiwara

S (PH D THESIS) Study on Accurate Ranging and Positioning System with UWB-IR Technology (Graduate School of Engineering, Laboratory of Space Systems and Astronautics, RISH, Kyoto University)

شریفی, محمدعلی, صمدزادگان, فرهاد, فرزانه, سعید,

Celestial positioning has been used for navigation purposes for many years. Stars as the extra-terrestrial benchmarks provide unique opportunity in absolute point positioning. However, astronomical field data acquisition and data processing of the collected data is very time-consuming. The advent of the Global Positioning System (GPS) nearly made the celestial positioning system obsolete. The n...

In this paper, combined GPS and GLONASS positioning systems are discussed and some solutions have been proposed to improve the accuracy of navigation. Global Satellite Navigation System (GNSS) is able to provide position, velocity and time with respect to coordinated universal time. GNSS positioning is based on received satellite signals, so its performance is highly dependent on the quality of...

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