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With the invention of telecommunications technologies in the late nineteenth century, the radio-electric spectrum became a tool for rethinking the world in which we live. The emission of radio waves did away with physical distances, crossing borders and cultures and acting as a powerful catalyst for trade. Moreover, the radio spectrum is the invisible infrastructure on which our information and communication technologies have been built. The history of its scientific discovery and how it was gradually colonized by the media, the military complex, and activists and hackers is one of the most fascinating stories of the twentieth century. The future uses of the radio-electric spectrum in the twenty-first century and its new potential are being decided now, with the end of analogue TV broadcasting worldwide marking the most important transformation of uses in the radio-electric space in decades. This catalog sets out to examine these issues and shed a little light on the most intriguing stories about the radio-electric spectrum.
There is increasing interest in the potential of UAV (Unmanned Aerial Vehicle) and MAV (Micro Air Vehicle) technology and their wide ranging applications including defence missions, reconnaissance and surveillance, border patrol, disaster zone assessment and atmospheric research. High investment levels from the military sector globally is driving research and development and increasing the viability of autonomous platforms as replacements for the remotely piloted vehicles more commonly in use. UAV/UAS pose a number of new challenges, with the autonomy and in particular collision avoidance, detect and avoid, or sense and avoid, as the most challenging one, involving both regulatory and techni...
The two-volume set LNAI 10245 and LNAI 10246 constitutes the refereed proceedings of the 16th International Conference on Artificial Intelligence and Soft Computing, ICAISC 2017, held in Zakopane, Poland in June 2017. The 133 revised full papers presented were carefully reviewed and selected from 274 submissions. The papers included in the first volume are organized in the following five parts: neural networks and their applications; fuzzy systems and their applications; evolutionary algorithms and their applications; computer vision, image and speech analysis; and bioinformatics, biometrics and medical applications.
Power Systems & Smart Energies (PSE) is dedicated to the design, modeling, exploitation and diagnostics of electrical power systems and renewable energy sources. It covers topics in the area of power electrical engineering including, power electronic systems, power electronic converters, electrical machine design, monitoring and diagnostics, renewable energy systems, automotive power systems, smart grids, and distribution networks.
Aquest llibre és una introducció a la programació d'ordinadors que pot ser utilitzat tant per un primer curs d'un grau universitari com per a la formació inicial d'especialistes. Es persegueix el propòsit d'assolir les competències necessàries per a dissenyar algorismes que resolguin problemes de complexitat mitjana i seguint el paradigma de la programació estructurada.
L'obra ha estat concebuda de forma autocontinguda, de manera que la pugui seguir qualsevol lector que no tingui mes coneixements previs que els que hagi adquirit durant l'etapa preuniversitaria. La primera part del llibre conte una introduccio a la teoria basica dels circuits electronics, i a continuacio se'n presenten els dispositius principals i la seva utilitzacio en circuits elementals. Es fa una atencio especial a la utilitzacio del programa SPICE per a l'analisi de circuits per ordinador. Aixi mateix, tambe es dedica un capitol a introduir la tecnologia de fabricacio i la teoria de funcionament dels principals dispositius semiconductors