Listar Dpto. Ingeniería Eléctrica y Electrónica - Ingeniaritza Elektriko eta Elektronikoa Saila por fecha de publicación
Mostrando ítems 21-40 de 648
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Rectangular waveguide filters with meandered topology
In this paper, a new topology for rectangular waveguide bandpass and low-pass filters is presented. A simple, accurate, and robust design technique for these novel meandered waveguide filters is provided. The proposed ... -
Wideband channel modeling for mm-wave inside trains for 5G-related applications
Passenger trains and especially metro trains have been identified as one of the key scenarios for 5G deployments. The wireless channel inside a train car is reported in the frequency range between 26.5GHz and 40GHz. These ... -
Routing with classical corrugated waveguide low-pass filters with embedded bends
A very simple design method to embed routing capabilities in classical corrugated filters is presented in this paper. The method is based on the calculation of the heights and lengths of the so-called filters design ... -
Ultra-long (290 km) remote interrogation sensor network based on a random distributed feedback fiber laser
In this work, an interferometric sensor has been interrogated 290 km away from the monitoring station, reaching the longest distance in fiber optic sensing up to date. This has been attained by employing a double-pumped ... -
A comprehensive model for lithium-ion batteries: from the physical principles to an electrical model
The growing interest in e-mobility and the increasing installation of renewable energy-based systems are leading to rapid improvements in lithium-ion batteries. In this context, battery manufacturers and engineers require ... -
Contribution to the advancement of Brillouin optical time-domain analysis sensors
Distributed fiber optic sensors (DFOS) are becoming an increasingly used technology to monitor the integrity of structures. This is due to the fact that this technology can be embedded within the structure and provide ... -
Femtomolar detection by nanocoated fiber label-free biosensors
The advent of optical fibre-based biosensors combined with that of nanotechnologies has provided an oppor-tunity for developing in situ, portable, lightweight, versatile and high-performance optical sensing platforms. We ... -
Experimental validation of a Ku-band dual circularly polarized metasurface antenna
The experimental validation of a Ku-band dual circularly polarized (CP) broadside-beam metasurface (MTS) antenna is presented. A radially modulated anisotropic single layer MTS has been synthesised employing sub-wavelength ... -
Manipulating thermal emission with spatially static fluctuating fields in arbitrarily shaped epsilon-near-zero bodies
The control and manipulation of thermal fields is a key scientific andtechnological challenge, usually addressed with nanophotonic struc-tures with a carefully designed geometry. Here, we theoreticallyinvestigate a different ... -
Real-time imaging with frequency scanning array antenna for industrial inspection applications at W band
A real-time imaging system based on a frequency scanning antenna for conveyor belt setups is presented in this paper. The frequency scanning antenna together with an inexpensive parabolic reflector operates at the W band ... -
Simultaneous strain and temperature multipoint sensor based on microstructured optical fiber
In this paper, a new sensor system for simultaneous and independent multipoint strain and temperature measurements is presented. The interrogation of the sensing heads has been carried out by monitoring their FFT phase ... -
All-PM fiber loop mirror interferometer analysis and simultaneous measurement of temperature and mechanical vibration
In this work, a new all-polarization maintaining (PM) fiber loop mirror interferometer is proposed and validated as temperature and mechanical vibration sensor. The scheme employs the arms of a PM coupler as communication ... -
End-of-fiber signals strongly influence the first and second phases of the M wave in the vastus lateralis: implications for the study of muscle excitability
It has been recurrently observed that, for compound muscle action potentials (M wave) recorded over the innervation zone of the vastus lateralis, the descending portion of the first phase generally shows an 'inflection' ... -
Wideband printed monopole antenna for application in wireless communication systems
Empirical results of an electrically small printed monopole antenna are described with a fractional bandwidth of 185% (115 MHz to 2.90 GHz) for return-loss better than 10 dB, peak gain and radiation efficiency at 1.45 GHz ... -
Advances in residential design related to the influence of geomagnetism
Since the origin of the Modern Movement, there has been a basic commitment to improving housing conditions and the well-being of occupants, especially given the prediction that 2/3 of humanity will reside in cities by 2050. ... -
Compensation of forecast error in large PV plants with battery storage: associated strategies
As penetration rates of utility-scale photovoltaics (PV) increases, large PV plants will participate in the daily wholesale electricity market in the same way that wind farms. Then, PV plant owner can receive some kind of ... -
Brillouin optical time-domain analyzer for extended sensing range using probe dithering and cyclic coding
We present an enhanced performance Brillouin optical time-domain analysis sensor that uses dual probes waves with optical frequency modulation and cyclic coding. The frequency modulation serves to increase the probe power ... -
3D-printed 96 GHz bull’s-eye antenna with off-axis beaming
Reducing the profile, footprint and weight of antennas embarked on aircrafts, drones or satellites has been a long pursued objective. Here we tackle this issue by developing a millimeter-wave 96 GHz elliptical Bull’s-Eye ... -
Optical sensors based on lossy-mode resonances
(Elsevier Science, 2017) Artículo / Artikulua -
Enhancement of signal-to-noise ratio in Brillouin optical time domain analyzers by dual-probe detection
We demonstrate a simple technique to enhance the signal-to-noise ratio (SNR) in Brillouin optical time-domain analysis sensors by the addition of gain and loss processes. The technique is based on the shift of the pump ...