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In this work some results about the design and the analysis of Conformai Reflectarray Antennas (CRAs) mounted on curved surfaces are presented. In particular, a comparison among three different Reflectarray configurations i.e. a planar, a convex cylindrical and a convex spherical RA, all working in the Ka-band, is carried out. In order to highlight the effect of the single or double curvature on the...
Being able to play games in early years is very important for the development of children. Even though, children with physical disabilities encounter several obstacles that exclude them from engaging in many popular games. In particular, children with severe motor disabilities that rely on one-switch interfaces for accessing electronic devices find dynamic video games completely unplayable. In this...
The Software Defined Radio (SDR) technology, applied to the reception of Global Navigation Satellite Signals (GNSS), allows the implementation of a positioning device with a high flexibility level. The advantage is twofold: not only the GNSS SDR receiver can be easily updated during its operational life, but it becomes an outstanding tool in prototyping innovative algorithms for signal processing...
Most software systems are complex and composed of a large number of artifacts. To realize each different artifact specific techniques are used resorting to different abstractions, languages and tools. Successful composition of different elements requires coherence among them. Unfortunately constraints between artifacts written in different languages are usually not formally expressed nor checked by...
The realization of embedded systems for safety critical applications as Custom embedded SoCs (System on Chip) realized on FPGAs (Field Programmable Gate Array) and hybrid SoCs including both custom ASIC cores, and programmable FPGA is nowadays rapidly increasing. In recent years, fault tolerance solutions for such systems have been developed and today are still addressed by ongoing research. More...
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