Zobrazeno 1 - 10
of 28
pro vyhledávání: '"M. Yarleque"'
Publikováno v:
2021 International Conference on Electromagnetics in Advanced Applications (ICEAA).
Currently, the agri-food industry prioritizes the development of non-destructive methods, such as dielectric spectroscopy, for quality control. The obtained dielectric spectral properties can be coupled to multivariate statistical methods as "machine
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d0da0cafdfaf2a8139450a0f4546a785
https://doi.org/10.1109/iceaa52647.2021.9539623
https://doi.org/10.1109/iceaa52647.2021.9539623
Publikováno v:
2019 International Conference on Electromagnetics in Advanced Applications (ICEAA).
This paper describes the performance of a Synthetic Aperture Radar (SAR) system mounted in a multirotor UAV platform. SAR is commonly used for the generation of high-resolution images over long distances and transported by large aircraft. However, SA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42b51638c71a256cca2c73790adb0c3e
https://doi.org/10.1109/iceaa.2019.8879024
https://doi.org/10.1109/iceaa.2019.8879024
Publikováno v:
2018 International Conference on Electromagnetics in Advanced Applications (ICEAA).
This paper describes the performance comparison of three types of antennas: LPDA, ESA and resistively loaded bow-tie antennas for GPR systems. A pair of these antennas are used in transmission and reception in order to be tested in performance, and i
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d136af50454a13eb31af06f8882ab4ea
https://doi.org/10.1109/iceaa.2018.8520505
https://doi.org/10.1109/iceaa.2018.8520505
Publikováno v:
2018 International Conference on Electromagnetics in Advanced Applications (ICEAA).
A technique of microwave dielectric spectroscopy that allows us to determine the permittivity values of food is the open-ended coaxial probe. For this purpose, the measurement instruments that were used to determine the permittivity were a Vector Net
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b6853c468942f4c23784a7b9325520d7
https://doi.org/10.1109/iceaa.2018.8520427
https://doi.org/10.1109/iceaa.2018.8520427
Autor:
M. Yarleque, Rafael D. Cerna
Publikováno v:
2018 IEEE/MTT-S International Microwave Symposium - IMS.
This paper presents the design and implementation process of a compact wideband $\pmb{16}\mathbf{x}\pmb{16}$ Butler Matrix as a beamforming network for 4G and 3G applications, featuring compact wideband branch-line hybrid couplers, Schiffman phase sh
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::20b2a3dab9144951432a338e80bb165c
https://doi.org/10.1109/mwsym.2018.8439542
https://doi.org/10.1109/mwsym.2018.8439542
Akademický článek
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Publikováno v:
2017 Progress in Electromagnetics Research Symposium - Fall (PIERS - FALL).
A hundred and forty red delicious apples were measured with an in-house open-ended coaxial probe and a Vector Network Analyzer (VNA) at frequencies from 10 MHz to 3 GHz in order to determine their dielectric properties and if there exist a correlatio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cb3273d397ace39e815c309035ae31da
https://doi.org/10.1109/piers-fall.2017.8293478
https://doi.org/10.1109/piers-fall.2017.8293478
Publikováno v:
2017 International Conference on Electromagnetics in Advanced Applications (ICEAA).
This paper describes the development and implementation of FMCW GPR system mounted on a mini UAV to detect and generate underground images using SAR techniques as processing engine. This FMCW GPR system consists of a portable FMCW radar, two LPDA ant
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bc50c18755aa94715463e69ea56a93e5
https://doi.org/10.1109/iceaa.2017.8065606
https://doi.org/10.1109/iceaa.2017.8065606
Publikováno v:
2017 XXXIInd General Assembly and Scientific Symposium of the International Union of Radio Science (URSI GASS).
This paper describes a Ground Penetrating Radar (GPR) using frequency modulated continuous wave (FMCW) technique which produces 2D images for archeological detection. This radar operates at 745 MHz, with a bandwidth of 510 MHz. For a first evaluation
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c811f8e5dedb92303ecdf5ca1e7e07ef
https://doi.org/10.23919/ursigass.2017.8105225
https://doi.org/10.23919/ursigass.2017.8105225
Autor:
M. Yarleque, Rafael D. Cerna
Publikováno v:
2015 IEEE International Wireless Symposium (IWS 2015).
This paper describes the design and implementation process of a wideband 8×8 Butler Matrix for beamforming networks in the AWS and PCS 1900 MHZ bands. In order to obtain a system able to operate in the frequency range of 1710 MHz to 2155 MHz, compac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b3ab604fa8584eaa6d105e48f8b34550
https://doi.org/10.1109/ieee-iws.2015.7164630
https://doi.org/10.1109/ieee-iws.2015.7164630