Search Results - "Romeu Robert, Jordi"
-
1
Ultra-Wideband Narrow Wall Waveguide-to-Microstrip Transition Using Overlapped Patches
Published in Sensors (Basel, Switzerland) (12-04-2022)“…An ultrawideband rectangular waveguide to microstrip line transition operating at the whole LMDS and Ka band is presented. The transition is based on exciting…”
Get full text
Journal Article -
2
An iterative model for fractal antennas: application to the Sierpinski gasket antenna
Published in IEEE transactions on antennas and propagation (01-05-2000)“…A simple model that explains the behavior of the Sierpinski fractal antenna is presented. This model shows that the multiband behavior of the Sierpinski…”
Get full text
Journal Article -
3
A Reconfigurable Antenna With Beam Steering and Beamwidth Variability for Wireless Communications
Published in IEEE transactions on antennas and propagation (01-10-2018)“…A reconfigurable antenna (RA) capable of steering its beam into the hemisphere corresponding to <inline-formula> <tex-math notation="LaTeX">\theta \in…”
Get full text
Journal Article Publication -
4
Collimated Beam FMCW Radar for Vital Sign Patient Monitoring
Published in IEEE transactions on antennas and propagation (01-08-2019)“…Patient monitoring of vital signals such as breathing rhythm and heartbeat rate can be done remotely by the use of a radar system. This approach is…”
Get full text
Journal Article Publication -
5
Debye Frequency-Extended Waveguide Permittivity Extraction for High Complex Permittivity Materials: Concrete Setting Process Characterization
Published in IEEE transactions on instrumentation and measurement (01-08-2020)“…A waveguide with central frequency 868 MHz is used in the transmission/reflection operation regime to accurately measure the behavior of the complex…”
Get full text
Journal Article Publication -
6
Assessment of LTCC-Based Dielectric Flat Lens Antennas and Switched-Beam Arrays for Future 5G Millimeter-Wave Communication Systems
Published in IEEE transactions on antennas and propagation (01-12-2017)“…This paper presents the design, low-temperature co-fired ceramics (LTCC) fabrication, and full experimental verification of novel dielectric flat lens antennas…”
Get full text
Journal Article Publication -
7
Self-biased reconfigurable graphene stacks for terahertz plasmonics
Published in Nature communications (02-03-2015)“…The gate-controllable complex conductivity of graphene offers unprecedented opportunities for reconfigurable plasmonics at terahertz and mid-infrared…”
Get full text
Journal Article Publication -
8
Dielectric properties of colon polyps, cancer, and normal mucosa: Ex vivo measurements from 0.5 to 20 GHz
Published in Medical physics (Lancaster) (01-08-2018)“…Purpose Colorectal cancer is highly preventable by detecting and removing polyps, which are the precursors. Currently, the most accurate test is colonoscopy,…”
Get full text
Journal Article Publication -
9
Design and Performance Evaluation of a Dielectric Flat Lens Antenna for Millimeter-Wave Applications
Published in IEEE antennas and wireless propagation letters (2015)“…In this letter, a practical fabrication of a novel inhomogeneous gradient-index dielectric flat lens for millimeter-wave applications is presented. A previous…”
Get full text
Journal Article Publication -
10
Design and Evaluation of an Antenna Applicator for a Microwave Colonoscopy System
Published in IEEE transactions on antennas and propagation (01-08-2019)“…This paper presents a design of a compact antenna applicator for a microwave colonoscopy system. Although colonoscopy is the most effective method for…”
Get full text
Journal Article Publication -
11
3-D Printed UWB Microwave Bodyscope for Biomedical Measurements
Published in IEEE antennas and wireless propagation letters (01-04-2019)“…In this letter, a three-dimensional (3-D) printed compact ultrawideband (UWB) extended gap ridge horn (EGRH) antenna designed to be used for biological…”
Get full text
Journal Article Publication -
12
Assessment of 3-D Printing Technologies for Millimeter-Wave Reflectors
Published in IEEE antennas and wireless propagation letters (01-11-2018)“…Three different 3-D printing technologies-stereolithography, fused deposition modeling, and HP Multi Jet Fusion technology-are compared to build a parabolic…”
Get full text
Journal Article Publication -
13
Error Vector Magnitude, Intermodulation, and Radiation Characteristics of a Bandwidth- and Pattern-Reconfigurable Antenna
Published in IEEE antennas and wireless propagation letters (01-10-2019)“…This letter presents the error vector magnitude (EVM), intermodulation (IM), and radiation performances of a reconfigurable antenna capable of varying its…”
Get full text
Journal Article Publication -
14
Optical Signal Processor for Millimeter-Wave Interferometric Radiometry
Published in IEEE transactions on geoscience and remote sensing (01-05-2014)“…In interferometric radiometry, the correlations between all pairs of radio-frequency (RF) receivers must be performed in order to obtain the scene…”
Get full text
Journal Article Publication -
15
The Koch monopole: a small fractal antenna
Published in IEEE transactions on antennas and propagation (01-11-2000)“…Fractal objects have some unique geometrical properties. One of them is the possibility to enclose in a finite area an infinitely long curve. The resulting…”
Get full text
Journal Article Publication -
16
Passive acoustic method for aircraft states estimation based on the Doppler effect
Published in IEEE transactions on aerospace and electronic systems (01-04-2014)“…A passive acoustic method to locate moving sound sources is applied to maneuvering aircraft. The advantages of the method are that it is suitable for all kinds…”
Get full text
Journal Article Publication -
17
Multiport Small Integrated Antenna Impedance Matrix Measurement by Backscattering Modulation
Published in IEEE transactions on antennas and propagation (01-04-2013)“…A method to characterize small antennas in their actual operating conditions is presented. The proposed procedure is based on the radar cross section (RCS)…”
Get full text
Journal Article Publication -
18
Three-Dimensional Microfabricated Broadband Patch Antenna for WiGig Applications
Published in IEEE antennas and wireless propagation letters (2014)“…The design, microfabrication, and characterization of a broadband patch antenna capable of covering the entire IEEE 802.11ad (WiGig) frequency band (57-66 GHz)…”
Get full text
Journal Article Publication -
19
A Figure-of-Merit for Pattern Reconfigurable Antennas
Published in IEEE transactions on antennas and propagation (01-03-2013)“…The performance of pattern reconfigurable antennas is evaluated with the purpose of deriving a figure-of-merit for pattern reconfigurability. A general…”
Get full text
Journal Article Publication -
20
Transpolarizing Trihedral Corner Reflector Characterization Using a GB-SAR System
Published in IEEE geoscience and remote sensing letters (01-07-2011)“…The use of a low-profile, lightweight, and easy-to-fabricate transpolarizing surface placed on one side of a trihedral corner reflector (TCR) as a polarimetric…”
Get full text
Journal Article Publication