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Evaluating the surface circulation in the Ebro delta (northeastern Spain) with quality-controlled high-frequency radar measurements

P. Lorente, S. Piedracoba, J. Soto-Navarro, E. Alvarez-Fanjul
2015 Ocean Science (OS)  
The main goal of this work is to explore basic features of the sea surface circulation in the Ebro deltaic region as derived from reliable HF radar surface current measurements.  ...  The accuracy assessment of radial and total vectors revealed a consistently high agreement. The directional accuracy of the HF radar was rated at better than 8°.  ...  The authors gratefully acknowledge the Qualitas Remos Company (a partner of CODAR Ocean Sensors) for the useful suggestions, and deeply appreciate comments provided during the paper revision process by  ... 
doi:10.5194/os-11-921-2015 fatcat:2tvi6kxfv5f33p7n4sdqy3cqre

Deep learning for radar data exploitation of autonomous vehicle [article]

Arthur Ouaknine
2022 arXiv   pre-print
The RADAR sensor is seldom used for scene understanding due to its poor angular resolution, the size, noise, and complexity of RADAR raw data as well as the lack of available datasets.  ...  Finally, this thesis exposes a collaborative contribution, the RADIal dataset with synchronised High-Definition (HD) RADAR, LiDAR and camera.  ...  I would like to thank the jury of my thesis for your time and your relevant feedbacks which truly improved the quality of this thesis.  ... 
arXiv:2203.08038v1 fatcat:zjupxkpaffgavm45oqpwnhkczq

Baroclinic Tidal Sea Level from Exact-Repeat Mission Altimetry

Edward D. Zaron
2019 Journal of Physical Oceanography  
The predicted tides are also validated by comparison with a database of hourly currents inferred from drogued surface drifters.  ...  It may be used for prediction of the baroclinic sea level anomaly at the frequencies of the main diurnal and semidiurnal tides K 1 , O 1 , M 2 , and S 2 , as well as the annual modulates of M 2 , denoted  ...  The along-track altimetry data were obtained using the Radar Altimeter Database System (RADS;, which is an effort of the Department of Earth Observation and Space  ... 
doi:10.1175/jpo-d-18-0127.1 fatcat:oowvlfjc3jfabcakne4y3makoa

Current and Future Applications of 3-D Global Earth-Ionosphere Models Based on the Full-Vector Maxwell's Equations FDTD Method

Jamesina J. Simpson
2009 Surveys in geophysics  
In particular, just after the turn of the twenty-first century, improvements to computing infrastructures provided for the first time the opportunity to conduct advanced, high-resolution three-dimensional  ...  full-vector Maxwell's equations investigations of electromagnetic propagation throughout the global Earth-ionosphere spherical volume.  ...  This radar is designed to sense the presence of major oil deposits by recording instead only the radial magnetic field above the Earth's surface.  ... 
doi:10.1007/s10712-009-9063-5 fatcat:62pb5xgotzb5tg2xyqaxin55dm

The Role of Weather Radar in Rainfall Estimation and Its Application in Meteorological and Hydrological Modelling—A Review

Zbyněk Sokol, Jan Szturc, Johanna Orellana-Alvear, Jana Popová, Anna Jurczyk, Rolando Célleri
2021 Remote Sensing  
In this paper, a comprehensive review through a categorization of radar-related topics aims to provide a general picture of the current state of radar research.  ...  First, the importance and impact of the high temporal resolution of weather radar is discussed, followed by the description of quantitative precipitation estimation strategies.  ...  The funders had no role in the design of the study; in the collection, analyses, or interpretation of data; in the writing of the manuscript; or in the decision to publish the results.  ... 
doi:10.3390/rs13030351 fatcat:m7lopvd2hzcnbcwnsfo3bwyhgy

Review and Simulation of Counter-UAS Sensors for Unmanned Traffic Management

Juan A. Besada, Ivan Campaña, David Carramiñana, Luca Bergesio, Gonzalo de Miguel
2021 Sensors  
This paper aims to discuss the current state-of-the art technology in this wide variety of sensors (both academically and commercially) and to propose a set of simulation models for them.  ...  The simulation models cover probabilistic detection (i.e., false alarms and probability of detection) and measurement errors, considering equipment installation (i.e., monostatic vs. multistatic configurations  ...  Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s22010189 pmid:35009730 pmcid:PMC8747651 fatcat:idp4silfkffljlvf5nrfzjo2pq


2020 2020 International Workshop on Electromagnetics: Applications and Student Innovation Competition (iWEM)  
Although affected by the COVID-19 pandemic, iWEM 2020 has attracted near one hundred paper submissions, 61 of which are expected to be included in the IEEE Xplore.  ...  As the general chairs, we would like to express our sincere appreciation to all the authors, speakers, and reviewers over the world together with the committee members for great efforts to substantiate  ...  Thanks for giving the permission to commence this study and to use departmental data.  ... 
doi:10.1109/iwem49354.2020.9237401 fatcat:soy4ile3tnaqdjgnvkm27dy4dq

Nanomaterial Fabricated Patch Antenna for Super High Frequency Applications

Dr. Ambresh Prabhakar Ambalgi
2021 Zenodo  
Nanomaterial Fabricated Patch Antenna for Super High Frequency Applications: D.Sc. Thesis.  ...  using a sensitive impedance surface (RIS) substrate FR-4 substrate backed by a circular metal plane.  ...  Gardiol [23] generated by an arbitrary distribution of surface current on a microstrip.  ... 
doi:10.5281/zenodo.5148488 fatcat:cdoqxf3odzgozgpd65fnx7wexm

Joint and constrained inversion of geophysical data for improved imaging of aquifer structure and processes

Joseph Doetsch
2012 Geophysics  
E.4 DISCUSSION Self-potential mapping makes it possible to investigate the overall SP field on the surface at high spatial resolution, but the interpretation needs to consider that contributions of SP  ...  [2010] improved the method of Ernst et al. [2007b; by including the vector properties of the electric field, which enabled extension of the algorithm to incorporate surface-to-borehole measurements  ...  to the model parameters.  ... 
doi:10.1190/2012-0210-geodis.2 fatcat:22a4cd5bwff7ncuskqu2g5ulsi

Simulation and design of an UWB imaging system for breast cancer detection

Xiaolu Guo, Mario R. Casu, Mariagrazia Graziano, Maurizio Zamboni
2014 Integration  
And the THA based on Switched Source Follower (SSF) scheme has been presented and improved to obtain high input bandwidth, high sampling rate, high linearity and low power consumption.  ...  sensitive to propagation phenomena in the medium and to the non-idealities of the system.  ...  Input inductor L1 of 10 nH (with 7 GHz Self Resonant Frequency (SRF)) and input transistor M 1 of 50 µm/0.12 µm are chosen to ensure the broad-band input matching condition.  ... 
doi:10.1016/j.vlsi.2014.02.001 fatcat:6monjkooebfxzglgwigum5sahe

Nonlinear waves in metamaterials: state of the art

A. D. Boardman, P. Egan, R. C. Mitchell-Thomas, M. McCall, Y. G. Rapoport, Allan D. Boardman, Nader Engheta, Mikhail A. Noginov, Nikolay I. Zheludev
2011 Metamaterials: Fundamentals and Applications IV  
The technique is extremely sensitive and enables measuring hydrogen peroxide released by micro-organisms with an unprecedented sensitivity.  ...  Juodkazis, Swinburne Univ. of Technology (Australia) Surface patterning by ripples, the self-organized quasi-periodic subwavelength relief structures, is demonstrated on large areas with submillimeter  ...  By measuring sufficiently high aspect ratio nanowires individually in situ, we decouple the role of the contacts and show that this semi-insulating electrical behavior is the result of trap-mediated carrier  ... 
doi:10.1117/12.892463 fatcat:fv5gdkxgn5cztc5w65zzgkbt3e

Technology, Science, and Culture: A Global Vision [chapter]

Sergio Picazo-Vela, Luis Ricardo Hernández
2019 Technology, Science and Culture - A Global Vision  
The workshop is intended to discuss research on current problems, relevant methodologies, and future research streams and to create an environment for the exchange of ideas and collaboration among participants  ...  The aim of the Workshop: Technology, Science, and Culture: A Global Vision is to create a discussion forum on research related to the fields of Water Science, Food Science, Intelligent Systems, Molecular  ...  Acknowledgements The research of the first author was supported by scholarship for doctoral studies by UDLAP.  ... 
doi:10.5772/intechopen.83691 fatcat:3o66qi3g6zalpkios2shocjb2y

Direct and Inverse Computational Methods for Electromagnetic Scattering in Biological Diagnostics [article]

Farid Monsefi and Magnus Otterskog and Sergei Silvestrov
2013 arXiv   pre-print
A number of methods is given to solve the inverse electromagnetic scattering problem in which the nonlinear and ill-posed nature of the problem are acknowledged.  ...  The algorithms are used for a model based illustration technique within the microwave range.  ...  In addition, the solution may be highly sensitive to perturbations in the input data f .  ... 
arXiv:1312.4379v1 fatcat:amxmjl2vc5fpfl2a63uosjzyty

Structure from Infrared Stereo Images

Kiana Hajebi, John S. Zelek
2008 2008 Canadian Conference on Computer and Robot Vision  
frequency of the filter and k determines the bandwidth of the filter in the radial direction.  ...  Our analysis of some of the surface fitting methods on synthetic data prompted us to use thin-plate splines which are more robust in the face of high sparsity and noise.  ...  One of the extensively used optimal triangulations is Delaunay triangulation technique, which we chose to use in our method.  ... 
doi:10.1109/crv.2008.9 dblp:conf/crv/HajebiZ08 fatcat:x5b5y5sjjzgojidy7xmhuym2ei

Meteorology and Oceanography

1952 Physics today  
Oriol by their help to facilitate images of the ESA Meteosat Exploitation Project.  ...  Acknowledgments The work was made possible by: Italian National Research Council (CNR), Progetto Strategico MAP and Acknowledgments This study was sponsored by CNPq (National Council for Scientific and  ...  The aim was twofold: Firstly to use high frequency radiosonde and dropsonde data collected during the experiment to verify the quality of the our GPS measurements and refine processing strategies.  ... 
doi:10.1063/1.3067492 fatcat:gpzkh2et5ndj5lcss2jsmgxbiy
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