Zobrazeno 1 - 10
of 107
pro vyhledávání: '"Alberto Reyna"'
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1649-1657 (2024)
This paper proposes an analytical method to calculate the switch-on sequences that provides Time Modulated Antenna Arrays (TMAA) with beam scanning in the sideband region. Such time sequences can be calculated to locate the main beam both in the azim
Externí odkaz:
https://doaj.org/article/c6afe223cfe447679249c35285ad03b3
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1714-1723 (2024)
This paper presents a new design proposal for the simplification of linear beam-forming networks by applying a novel phase interpolation technique. This paper proposes the strategic utilization of 1-to-3 division nodes and 2-to-1 recombination nodes
Externí odkaz:
https://doaj.org/article/8b08ea8ee33442ee9a683bfc0d6381bb
Publikováno v:
Applied Sciences, Vol 14, Iss 18, p 8409 (2024)
New configurations of 2-D phased arrays are proposed in this paper for reducing the number of phase shifters. This design methodology is based on the use of a novel coherently radiating periodic structures (CORPSs) block for 2-D phased arrays. Two ne
Externí odkaz:
https://doaj.org/article/33f4a65ccabc401a9df547e3f66fa8d3
Autor:
Brian Sanchez, Marco A. Panduro, Alberto Reyna, David H. Covarrubias, María del Carmen Maya-Sánchez
Publikováno v:
Alexandria Engineering Journal, Vol 77, Iss , Pp 625-633 (2023)
This paper presents a novel radial network for feeding concentric ring antenna arrays. The proposed feeding network consists of a radial network of 1 input to 20 outputs. Two stages are required for this planar radial network: a radial power divider
Externí odkaz:
https://doaj.org/article/0b51cb7707a646daa3684f4138692ca2
Autor:
Alberto Reyna, Jesús C. Garza, Luz I. Balderas, Jonathan Méndez, Marco A. Panduro, Gonzalo Maldonado, Lourdes Y. García
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4219 (2024)
This paper proposes the design of virtual antenna arrays with frequency diversity for radar systems in fifth-generation flying ad hoc networks. These virtual arrays permit us to detect targets from the sky with flying drones. Each array element is co
Externí odkaz:
https://doaj.org/article/3c0031032bd7495da644b42794af62bd
Application of Coherently Radiating Periodic Structures for Feeding Subarrays in Limited-Scan Arrays
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 4, Pp 1154-1162 (2023)
This paper presents a new design technique to improve the reduction of phase shifters using sub-arrays and CORPS (coherently radiating periodic structures) technology. The CORPS network generates the values of cophasal excitation with reduced input p
Externí odkaz:
https://doaj.org/article/231b3093a4bb410cbc113870b209661f
Autor:
Jose Ignacio Lozano, Marco A. Panduro, Rodrigo Méndez-Alonzo, Miguel A. Alonso-Arevalo, Roberto Conte, Alberto Reyna
Publikováno v:
Biomimetics, Vol 8, Iss 7, p 531 (2023)
Plant diversity includes over 300,000 species, and leaf structure is one of the main targets of selection, being highly variable in shape and size. On the other hand, the optimization of antenna design has no unique solution to satisfy the current ra
Externí odkaz:
https://doaj.org/article/af958b92213f44339a79f7885bd7c9ac
Publikováno v:
Micromachines, Vol 14, Iss 1, p 180 (2023)
This paper presents a low-profile microstrip antenna with high gain for fifth-generation (5G) CubeSat applications. The proposed design consists of 16 miniaturized patch antennas distributed in a uniform 4 × 4 topology with a feeding network on Roge
Externí odkaz:
https://doaj.org/article/39fbcf407e084b24ae7ccb9b400b7252
Publikováno v:
Micromachines, Vol 13, Iss 12, p 2233 (2022)
This research presents the design of time-modulated antenna arrays with UWB performance. The antenna arrays consider a linear topology with eight UWB disk-notch patch antennas. The technological problem is to find out the optimum antenna positions an
Externí odkaz:
https://doaj.org/article/9619f835f3454e6c87992a6c252dbcf2
Publikováno v:
Sensors, Vol 22, Iss 23, p 9528 (2022)
This paper presents the application of CORPS (coherently radiating periodic structures) for feeding CRA (concentric rings array) with a reduced number of phase shifters. The proposed design technique for the structure of concentric rings provides a b
Externí odkaz:
https://doaj.org/article/2332f73ab7494b148813e70e52eaf000