Zobrazeno 1 - 10
of 632
pro vyhledávání: '"A. J. Ammann"'
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1563-1570 (2024)
This article introduces an innovative reconfigurable antenna (RA) designed for circular polarization on the dual WiMAX frequency bands (3.5 GHz and 5.8 GHz) utilizing liquid metal switching capabilities. The antenna achieves circular polarization rec
Externí odkaz:
https://doaj.org/article/a3d28ff12c94488386d94589c3a6b5ba
Publikováno v:
IEEE Open Journal of Antennas and Propagation, Vol 5, Iss 6, Pp 1489-1498 (2024)
The growing prevalence of IoT devices has heightened the focus on minimizing energy consumption in low-power electronic systems. Ambient radio frequency (RF) energy harvesting allows self-sustaining electronic devices to operate in IoT networks witho
Externí odkaz:
https://doaj.org/article/79fb2bcedcf344a28a04551bb3e16dcb
Publikováno v:
Animal Biotelemetry, Vol 9, Iss 1, Pp 1-10 (2021)
Abstract Background Acoustic telemetry is a widely used tool to study the movement and survival of juvenile fish and often requires a surgical procedure to implant the transmitter, which may impact overall fitness and survival following release. This
Externí odkaz:
https://doaj.org/article/166cfd1b7c0b4df282f1254c2eebf4f8
Publikováno v:
IEEE Access, Vol 8, Pp 189003-189012 (2020)
A printed edge-fed counterpart of wire Bruce array antenna, with open-stopband mitigation at broadside, is presented. The proposed antenna comprises of 11 meandered unit-cells periodically modulated in congruence with wire Bruce array antenna's theor
Externí odkaz:
https://doaj.org/article/7c2f08a87a6f4027b94c90f4d2b9cabf
Autor:
Mahsa Keshavarz Hedayati, Abdolali Abdipour, Reza Sarraf Shirazi, Max J. Ammann, Matthias John, Cagri Cetintepe, Robert Bogdan Staszewski
Publikováno v:
IEEE Access, Vol 7, Pp 43190-43204 (2019)
This paper investigates design considerations and challenges of integrating on-chip antennas in nanoscale CMOS technology at millimeter-wave (mm-wave) to achieve a compact front-end receiver for 5G communication systems. Solutions to overcome these c
Externí odkaz:
https://doaj.org/article/d53052c09bf548918cf2a3d7f4a46915
Publikováno v:
Ecosphere, Vol 12, Iss 5, Pp n/a-n/a (2021)
Abstract Water is a fundamental resource in freshwater ecosystems, and streamflow plays a pivotal role in driving riverine ecology and biodiversity. Ecologically functional flows, managed hydrographs that are meant to reproduce the primary components
Externí odkaz:
https://doaj.org/article/fd85b781b82c47889a4e029d32d20fcf
Publikováno v:
Articles
THE rapid expansion in the millimeter-wave (mm-wave) frequency domain has completely changed the course of wireless communication. One of the most important steps to make smart cities, the Internet-of-Things (IoT), smart homes, and vehicular communic
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8bed387ce8314ea252cc07cf889e49e8
https://doi.org/10.1109/tap.2022.3232240
https://doi.org/10.1109/tap.2022.3232240
Autor:
A. Peter Klimley, Thomas V. Agosta, Arnold J. Ammann, Ryan D. Battleson, Matthew D. Pagel, Michael J. Thomas
Publikováno v:
Animal Biotelemetry, Vol 5, Iss 1, Pp 1-15 (2017)
Abstract Background Currently acoustic tag-detecting autonomous receivers must be visited periodically to download the files of tag detections. Hence, the information about the whereabouts of tagged fishes is not available to make prompt regulatory d
Externí odkaz:
https://doaj.org/article/12c3d833bae0449ca6bbb82fba629dea
Publikováno v:
Conference papers
A dual-port dual-sense wideband circularly- polarised (CP) printed slot antenna is proposed. The compact coplanar waveguide (CPW)-fed antenna is proposed for ambient energy harvesting applications. Two identical CPW feeds excite ±45° fan-shaped stu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d5381acb37419cec41722dc9e130c953
https://arrow.tudublin.ie/context/engscheleart/article/1384/viewcontent/Compact_Wideband_Circularly_Polarised_Slot_Antenna_for_Ambient_RF_Energy_Harvesting__2023_.pdf
https://arrow.tudublin.ie/context/engscheleart/article/1384/viewcontent/Compact_Wideband_Circularly_Polarised_Slot_Antenna_for_Ambient_RF_Energy_Harvesting__2023_.pdf
Publikováno v:
Sensors, Vol 21, Iss 2, p 514 (2021)
A calibration method for a high-resolution hybrid MIMO turntable radar imaging system is presented. A line of small metal spheres is employed as a test pattern in the calibration process to measure the position shift caused by undesired antenna effec
Externí odkaz:
https://doaj.org/article/07a0a270fded43639eaa57a04ec22504