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The microchemical composition and the electronic structure of the two superconductors HgBa2Ca2Cu3O8+delta(Hg-1223) and HgBa2CaCu2O6+delta (Hg-1212) were analyzed with the technique of photoemission with high spatial resolution. This enabled primary spectra ...
In order to increase flexibility and reduce complexity, the use of distributed platforms such as CORBA for building complex distributed systems is growing significantly. Although CORBA platforms provide a better support than conventional RPC mechanisms for ...
This paper presents the final results of the performances of the High resolution Standard Proximity Sensor developed under a GSTP contract for ESA /ESTEC. The HRSPS is a general purpose displacement measuring system developed with the aim to replace the mu ...
When satellite signals are available, the localisation of a pedestrian is fairly straightforward. However, in cities or indoors, dead reckoning systems are necessary. Our current research focuses on the development of algorithms for pedestrian navigation i ...
When satellite are available, the localisation of a pedestrian is fairly straightforward. However in cities or indoors, dead reckoning systems are necessary to determine the user's position. Our current research focuses on the development of algorithms and ...
When satellite signals are available, the localisation of a pedestrian is fairly straightforward. However, in cities or indoors, dead reckoning systems are necessary. ...
A generic high precision flexible pivot dedicated to pointing and scanning space mechanisms is described. Typical applications are payload scientific instruments and inter-satellite communication systems. The work started with a comprehensive analysis of t ...
The structure of a crystal of Sr0.61Ba0.39Nb2O6 has been solved and refined as an incommensurate structure in five-dimensional superspace. The structure is tetragonal, superspace group P4bm(pp1/2; p-p1/2), unit-cell parameters a = 12.4566 (9), c = 7.8698 ( ...
The challenge of knowing one's position in a precise and reliable way, at any time, with and without reception of satellite signals, represents an area fairly explored for the navigation of vehicles. To widen this service to the pedestrians requires a diff ...
Recently, different hybrid GNSS/cellular methods combining GNSS measurements with cellular network measurements have been proposed. These methods are designed to improve the availability (and accuracy) of position determination in situations where few sate ...
