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Optical frequency combs generated by acousto-optic frequency-shifting loops
IEEE (2019-12-01)A recirculating loop that includes an acousto-optic frequency shifter (AOFS) constitutes a versatile procedure to generate an optical frequency comb (OFC) from a continuous wave (cw) laser. This scheme, implementable with ... -
Optimal Multicasting in Millimeter Wave 5G NR with Multi-beam Directional Antennas
Institute of Electrical and Electronics Engineers (2021-12)The support of multicast communications in the fifth-generation (5G) New Radio (NR) system poses unique challenges to system designers. Particularly, the highly directional antennas do not allow to serve all the user ... -
Optimal Placement of Social Digital Twins in Edge IoT Networks
MDPI (2020)In next-generation Internet of Things (IoT) deployments, every object such as a wearable device, a smartphone, a vehicle, and even a sensor or an actuator will be provided with a digital counterpart (twin) with the aim ... -
Optimization of acousto-optic optical frequency combs
Optical Society of America (2019)Acousto-optic optical frequency combs can easily produce several hundreds of mutually coherent lines from a single laser, by successive frequency shifts in a loop containing an acousto-optic frequency shifter. They combine ... -
Optomechanical Coupling Optimization in Engineered Nanocavities
Wiley (2024)In optomechanics, the interaction between light and matter is enhanced by engineering cavities where the electromagnetic field and the mechanical displacement are confined simultaneously within the same volume. This leads ... -
Overcoming the barrier of nanoparticle production by femtosecond laser ablation in liquids using simultaneous spatial and temporal focusing
Optical Society of America (2019)There exists an increasing demand of industrial-scale production of high-purity ligand-free nanoparticles due to the continuous development of biomedicine, catalysis, and energy applications. In this contribution, a ... -
Parabolicity criteria and characterization results for submanifoldsof bounded mean curvature in model manifolds with weights
Elsevier (2020)Let P be a submanifold properly immersed in a rotationally symmetric manifold having a pole and endowed with a weight e h. The aim of this paper is twofold. First, by assuming certain control on the h-mean curvature of ... -
Parabolicity, Brownian Exit Time and Properness of Solitons of the Direct and Inverse Mean Curvature Flow
(2019-10-05)We study some potential theoretic properties of homothetic solitons n of the MCF and the IMCF. Using the analysis of the extrinsic distance function defined on these submanifolds in Rn+m, we observe similarities and ... -
Parallel laser micromachining based on diffractive optical elements with dispersion compensated femtosecond pulses
Optical Society of America (2013)We experimentally demonstrate multi-beam high spatial resolution laser micromachining with femtosecond pulses. The effects of chromatic aberrations as well as pulse stretching on the material processed due to diffraction ... -
Parametric CAD modeling: An analysis of strategies for design reusability
Elsevier (2016-05)CAD model quality in parametric design scenarios largely determines the level of flexibility and adaptability of a 3D model (how easy it is to alter the geometry) as well as its reusability (the ability to use existing ... -
Partial and semi-partial statistics of spatial associations for multivariate areal data
Wiley (2020-06-12)The analysis of correlation structures among multivariate spatially aggregated data has become increasingly important and poses substantial challenges. This article concerns the development of partial and semi‐partial ... -
Partial characteristics for marked spatial point processes
Wiley (2019-09)This paper introduces a new class of partial summary characteristics for twotypes of marked planar point processes. We consider purely qualitatively marked spatial point processes and multitype spatial point processes with ... -
Partially-coherent spirally-polarized gradual-edge imaging
Elsevier (2019)In this work we develop a partially-coherent spirally-polarized imaging system for generating gradual edge detection images. A rotating diffuser is used for producing illumination sources with tunable degree of coherence. Using ... -
La participación de las personas mayores en talleres y su efecto sobre la soledad
Publicacions de la Universitat Jaume I. Servei de Comunicació i Publicacions (2020)Es importante valorar que la calidad de vida de una persona mayor no solo está determinada por la salud física, sino también por la emocional. Existen evidencias del efecto que la soledad o el aislamiento social puede ... -
Participative site-specific agriculture analysis for smallholders
Springer (2012-04-27)Site-specific agriculture has been adopted in a high-tech context using, for instance, in situ sensors, satellite images for remote sensing analysis, and some other technological devices. However, farmers and smallholders ... -
Passive mobile data for studying seasonal tourism mobilities: an application in a Mediterranean Coastal destination
MDPI (2021-02-22)The article uses passive mobile data to analyse the complex mobilities that occur in a coastal region characterised by seasonal patterns of tourism activity. A large volume of data generated by mobile phone users has ... -
Percentage Points of a Test Statistic Useful in Manova with Structured Covariance Matrices
Nova Science Publishers (2013)The exact distribution of a test statistic ΛH for testing equality of mean vectors of m p-variate Gaussian populations having compound symmetry has been derived using inverse Mellin transform, calculus of residues and ... -
Perception of products by progressive multisensory integration: a study on hammers
Elsevier (2011-07)The aim of this work is to determine the influence of multisensory (visual-haptic) integration and the level of interaction (seeing photographs, seeing the actual product, touching it and using it) on the perception of ... -
Perimeter detection in sketched drawings of polyhedral shapes
The Eurographics Association (2017)This paper describes a new “envelope” approach for detecting object perimeters in line-drawings vectorised from sketches of polyhedral objects. Existing approaches for extracting contours from digital images are unsuitable ... -
Periodically Correlated Space-Time Autoregressive Hilbertian Processes
Atlantis Press (2021-06)In this paper, we introduce periodically correlated space-time autoregressive processes with values in Hilbert spaces. The existence conditions and the strong law of large numbers are established. Moreover, we present an ...