Time modulated arrays

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TítuloOn the feasibility of time modulated arrays for digital linear modulations: a theoretical analysis

TítuloOn the feasibility of time modulated arrays for digital linear modulations: a theoretical analysis

... sinusoid. Time- modulated arrays, on the other hand, constitute an interesting technique capable of adapting the power radiation pattern of an antenna ...of time-modulated arrays ...

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TítuloPower Efficient Scheduling and Hybrid Precoding for Time Modulated Arrays

TítuloPower Efficient Scheduling and Hybrid Precoding for Time Modulated Arrays

... ABSTRACT We consider power efficient scheduling and precoding solutions for multiantenna hybrid digital-analog transmission systems that use Time-Modulated Arrays (TMAs) in the analog domain. TMAs ...

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TítuloImpact of Time Modulated Arrays on the BER of Linear Digital Modulations

TítuloImpact of Time Modulated Arrays on the BER of Linear Digital Modulations

... Time-Modulated Arrays (TMAs) are antenna arrays whose radiated power pat- tern is controlled by means of periodically enabling and disabling the excitations of some of their individual ...

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TítuloTime Modulated Arrays: From their Origin to Their Utilization in Wireless Communication Systems

TítuloTime Modulated Arrays: From their Origin to Their Utilization in Wireless Communication Systems

... Abstract: Time-modulated arrays (TMAs) are electromagnetic systems whose radiated power pattern is controlled by the application of variable-width periodical pulses to the individual ...

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Miniaturized optical sensors based on lens arrays

Miniaturized optical sensors based on lens arrays

... - while retaining the high accuracy usually present for optically based systems and more importantly to provide un-biased measurements. It is our belief that these requirements may be met due to the appearance of new ...

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Spatiotemporal collective excitations in photonic multiwire arrays

Spatiotemporal collective excitations in photonic multiwire arrays

... We study theoretically the dynamics of collective excitations in one- and two-dimensional arrays of evanescent- wave coupled nonlinear photonic nanowires. This system shows a strong spatiotemporal coupling, which ...

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Análisis, modelado e igualación no lineal de arrays paramétricos acústicos

Análisis, modelado e igualación no lineal de arrays paramétricos acústicos

... El enfoque empleado en esta Tesis para abordar este problema se basa en una variante del filtro p-inversor, que explota las peculiaridades del sistema de transmisión presente en los arrays paramétricos. Dado que ...

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Characterization of a Virtual Array based on MEMS microphones for the analysis of acoustic sources

Characterization of a Virtual Array based on MEMS microphones for the analysis of acoustic sources

... • Machinery acoustic imaging high dependence of industrial plants reverberation  Large arrays... • Acoustic images acquisition system :.[r] ...

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A time to learn, a time to teach

A time to learn, a time to teach

... To conclude, in the first issue on Mind, Brain and Education devoted to the subject (volume 2, number 1) we finished our introduction by stating that “The concepts of time and timing —deeply controlled by the ...

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Wave propagation in a periodically modulated low-pass transmission line

Wave propagation in a periodically modulated low-pass transmission line

... amplifiers or frequency converters, but also as controllable time delay lines. Transmission velocity is essential in some applications and DTLs might transmit pulse harmonics faster than light. Moreover, a ...

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TIME TOY

TIME TOY

... producto Time Toy (mariquita) es una nueva innovación la cual tiene como función hacer que sus “alas” vuelen en el momento de la activación obligando a la persona a levantarse de su cama para que sea desactivado, ...

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Fundamento, tipos y aplicaciones de los arrays de ADN en la microbiología médica

Fundamento, tipos y aplicaciones de los arrays de ADN en la microbiología médica

... Un tipo particular de microarrays son los producidos por Affymetrix, una compañía que ha ideado y patentado una tecnología que permite de manera simultánea la síntesis y la impresión de las sondas moleculares ...

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Preference stability along time: the time cohesiveness measure

Preference stability along time: the time cohesiveness measure

... of time is explored un- der the assumption of considering dichotomous evalu- ...of time cohesiveness mea- sure is introduced as well as a particular formulation based on the consideration of any two ...

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Evaluación experimental de capacidad mimo de arreglos de antenas PIFA compactos en banda de 2.45 GHz

Evaluación experimental de capacidad mimo de arreglos de antenas PIFA compactos en banda de 2.45 GHz

... Por las características asimétricas de forma de la antena PIFA, resulta particularmente interesante su estudio en términos de acoplamiento mutuo y, en consecuencia, por la posibilidad de controlar este efecto a favor de ...

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Análisis y diseño de un array plano a 94GHz en LTCC para comunicaciones 5G

Análisis y diseño de un array plano a 94GHz en LTCC para comunicaciones 5G

... A la vista de los resultados obtenidos se puede concluir que, de los tres diseños realizados, el que mejor comportamiento tiene en cuanto a banda de trabajo es el de doble parche con ranura pajarita. Este elemento tiene ...

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Página 1 de 6 AMPLIA: UNA ARQUITECTURA MODULAR PARA EL PROCESAMIENTO Y DESPLIEGUE DE IMAGEN ACÚSTICA

Página 1 de 6 AMPLIA: UNA ARQUITECTURA MODULAR PARA EL PROCESAMIENTO Y DESPLIEGUE DE IMAGEN ACÚSTICA

... (velocimetría Doppler) hasta centenares de MHz, con diferentes resoluciones (8 a 16 bits) según las aplicaciones. Muchas de las que utilizan arrays requieren una digitalización simultánea de múltiples señales. En ...

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Crecimiento intrauterino restringido como sntoma gua para el diagnstico gentico prenatal del sndrome de Wolf Hirschhorn en gestacin gemelar bicorial biamnitica

Crecimiento intrauterino restringido como sntoma gua para el diagnstico gentico prenatal del sndrome de Wolf Hirschhorn en gestacin gemelar bicorial biamnitica

... y arrays cromosómicos, evidenció las alteraciones cromosómicas compatibles con Síndrome de Wolf Hirschhorn en el feto que presentó un CIR selectivo (pérdida de 99Kb de ADN en la región cromosómica ...

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Temporal self-imaging effect for periodically modulated trains of pulses

Temporal self-imaging effect for periodically modulated trains of pulses

... It has focused on a situation of special interest that cannot be considered neither a single-pulse Fourier Transform nor the repetition rate multiplication obtained by means of the tem[r] ...

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Modulated surface waves in large-aspect-ratio horizontally vibrated containers

Modulated surface waves in large-aspect-ratio horizontally vibrated containers

... This is because the walls extend down to the bottom of the container (which makes a difference with standard wavemakers in water waves) and thus they also excite an internal oscillator[r] ...

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Optical fibers: Interaction dispersion-chirp in directly modulated systems

Optical fibers: Interaction dispersion-chirp in directly modulated systems

... The directly modulated laser (DML) is usually used in access/metro networks with a bit rate of up to 10 Gb/s. This configuration has several advantages over external modulation, such as low cost, simplicity of ...

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