David a Sanchez Hernandez (31 results)

hardcover. Condition: Good. Connecting readers with great books since 1972! Used textbooks may not include companion materials such as access codes, etc. May have some wear or writing/highlighting. We ship orders daily and Customer Service is our top priority.

Hardcover. Condition: Fair. No Jacket. Former library book; Readable copy. Pages may have considerable notes/highlighting. ~ ThriftBooks: Read More, Spend Less.

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Condition: Good. Your purchase helps support Sri Lankan Children's Charity 'The Rainbow Centre'. Ex-library, so some stamps and wear, but in good overall condition. Our donations to The Rainbow Centre have helped provide an education and a safe haven to hundreds of children who live in appalling conditions.…

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Taschenbuch. Condition: Neu. Neuware - Esta obra reúne once trabajos que ofrecen los resultados de las investigaciones de diferentes especialistas pertenecientes a disciplinas diversas (sociología, literatura, antropología social y derecho) en torno a las vinculaciones existentes entre la religión y las identidades nacionales desde la Edad Moderna hasta el siglo XXI dentro de los territorios de la monarquía hispánica. De esta manera, se abordan los comportamientos políticos, sociales y culturales adoptados respecto a los extranjeros, partiendo de la hipótesis de que la mentalidad católica ha incidido de manera relevante en la percepción del 'otro' en los procesos de continuidad o discontinuidad de determinadas actitudes, tales como la tolerancia, la hostilidad, la convivencia o la confrontación.…

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Hardcover. Condition: New. 1st Edition. US SELLER SHIPS FAST FROM USA.

Taschenbuch. Condition: Neu. Neuware - El presente volumen ofrece un conjunto de artículos que aportan nuevas miradas y datos inéditos sobre el léxico que utilizan en el pasado diferentes variedades americanas del español. Así, partiendo de distintas perspectivas y ocupándose de cuestiones muy diversas entre sí, estos estudios componen un acercamiento coral a la temática indicada que abre nuevas líneas de trabajo y, al mismo tiempo, evidencia la enorme riqueza que encierra el vocabulario empleado históricamente en el Nuevo Mundo.This volume o ers a series of articles that provide new insights and unpublished data on the lexicon used in the past by di erent American varieties of Spanish. Thus, starting from di erent perspectives and dealing with very di erent issues these studies compose a choral approach to the subject indicated, that opens new lines of work and, at the same time, shows the enormous richness of the vocabulary used historically in the New World.…

Condition: New.

Taschenbuch. Condition: Neu. Neuware - Este libro es una obra colectiva del Grupo Español de Decisión Multicriterio que divulga el uso de metodologías para analizar y resolver problemas complejos. Presenta ejemplos en salud (planificación de menús y actividad física), sostenibilidad (residuos, agua, bosques, emisiones), economía y sociedad (inversiones, desigualdad, calidad de vida), así como transporte y marketing. Con lenguaje claro y enfoque práctico, promueve la toma de decisiones informadas y sostenibles en los ámbitos profesional, social y personal. …

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Condition: New. pp. xv + 317.

Condition: New. pp. xv + 317 Illus.

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Condition: New. pp. xv + 317.

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Hardback. Condition: New. Comprehensive reference text for the development of advanced antenna systems for 5G and beyond Smart Antennas for 5G+ addresses the transformation that simple, conventional antennas have gone through to fulfill the complex and challenging performance expectations of 5G wireless communications and beyond. It also describes the 5G physical layer including the gNodeB, basics of the propagation channel, and user equipment (UE) specific antenna aspects. The authors present various broadband antennas covering mmW bands for 5G+ and B5G applications, explore recent developments in array calibration and plane wave generators, and consider future challenges for 5G+ radio system testing. Novel key performance indicators in which not only conventional RF parameters, but also other parameters and overall radio performance, are examined. The huge shrinkage which was prioritized in 4G modules are now combined with extremely versatile and precise beamforming capacities, thermal mitigation, and link budget compensation design strategies that bring antennas into a new era. As such, antenna integration, flexible and 3D printed elements, the use of metamaterials, and advanced testing of new features are key elements of this book. Additional topics covered in Smart Antennas for 5G+ include: Beamforming, beam-steering, power control, cell breathing, and many other 5G concepts that make the evaluation of a 5G antenna structure a complex processMulti-probe anechoic chamber, reverberation chamber, and wireless cable solutions, RF testing of the 5G antenna systems, and small-cell repeaters for 5G/B5G beamformingPowering and sensing applications in 5G+ printed electronic steerable antenna arrays for reconfigurable intelligent surfaces that stem from metasurfaces3GPP/ITU standards and models for 5G MIMO base station antennas, propagation channel modeling, and link budget considerations The connection between complex but realistically used designs and the way testing has evolved to determine the value of novel designs makes Smart Antennas for 5G+ a must-have resource for advanced engineers as well as newcomers in the field of 5G wireless communications.…

Condition: As New. Unread book in perfect condition.

Hardcover. Condition: New. ISBN:9781394210503.

Condition: New.

Hardback. Condition: New. Comprehensive reference text for the development of advanced antenna systems for 5G and beyond Smart Antennas for 5G+ addresses the transformation that simple, conventional antennas have gone through to fulfill the complex and challenging performance expectations of 5G wireless communications and beyond. It also describes the 5G physical layer including the gNodeB, basics of the propagation channel, and user equipment (UE) specific antenna aspects. The authors present various broadband antennas covering mmW bands for 5G+ and B5G applications, explore recent developments in array calibration and plane wave generators, and consider future challenges for 5G+ radio system testing. Novel key performance indicators in which not only conventional RF parameters, but also other parameters and overall radio performance, are examined. The huge shrinkage which was prioritized in 4G modules are now combined with extremely versatile and precise beamforming capacities, thermal mitigation, and link budget compensation design strategies that bring antennas into a new era. As such, antenna integration, flexible and 3D printed elements, the use of metamaterials, and advanced testing of new features are key elements of this book. Additional topics covered in Smart Antennas for 5G+ include: Beamforming, beam-steering, power control, cell breathing, and many other 5G concepts that make the evaluation of a 5G antenna structure a complex processMulti-probe anechoic chamber, reverberation chamber, and wireless cable solutions, RF testing of the 5G antenna systems, and small-cell repeaters for 5G/B5G beamformingPowering and sensing applications in 5G+ printed electronic steerable antenna arrays for reconfigurable intelligent surfaces that stem from metasurfaces3GPP/ITU standards and models for 5G MIMO base station antennas, propagation channel modeling, and link budget considerations The connection between complex but realistically used designs and the way testing has evolved to determine the value of novel designs makes Smart Antennas for 5G+ a must-have resource for advanced engineers as well as newcomers in the field of 5G wireless communications.…

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