Zobrazeno 1 - 10
of 2 175
pro vyhledávání: '"Spiral antenna"'
Publikováno v:
IEEE Access, Vol 12, Pp 106313-106320 (2024)
This article introduces an ultrawideband antenna with stable phase center and circular polarization. The proposed antenna is a low-profile cavity-backed spiral antenna measuring $58\times 58\times 50$ mm3, where the cavity is partially filled with an
Externí odkaz:
https://doaj.org/article/c6e1e4cf4108409a8316ff495c105494
Publikováno v:
Sensors, Vol 24, Iss 5, p 1619 (2024)
An integrated automatic optical inspection (iAOI) system with a procedure was proposed for a printed circuit board (PCB) production line, in which pattern distortions and performance deviations appear with process variations. The iAOI system was demo
Externí odkaz:
https://doaj.org/article/f1b7ddace0cb41a89f8394b81a829a96
Publikováno v:
Alexandria Engineering Journal, Vol 61, Iss 11, Pp 8897-8909 (2022)
This study proposed, for the first time, a newly developed metal–insulator-insulator–metal (MIIM)-based log-spiral rectenna for energy harvesting applications. The designed resonant log-spiral antenna at 28.3 THz forwards the absorbed infrared (I
Externí odkaz:
https://doaj.org/article/39d49887b5dc4d4abd37f2549d551ee5
Akademický článek
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Autor:
Pallavi Sharma, Jennifer T. Bernhard
Publikováno v:
IEEE Access, Vol 10, Pp 7082-7097 (2022)
The analysis of Archimedean spiral slots using the theory of characteristic modes is presented in this article. Purely magnetic characteristic modes are used to study the behavior of a spiral slot etched in an infinite ground plane. The effect of the
Externí odkaz:
https://doaj.org/article/51e54a42a4304595b705fa2717d7c330
Publikováno v:
IEEE Access, Vol 10, Pp 35701-35711 (2022)
Design and experimental verification of an ultrawideband planar circularly polarized ultrahigh frequency (UHF) sensor is presented for detection of partial discharge (PD) activities in high voltage (HV) equipment. The proposed sensor is cavity-backed
Externí odkaz:
https://doaj.org/article/ada843ec9ed54a13853f75ef9894f7fa
Publikováno v:
Xi'an Gongcheng Daxue xuebao, Vol 35, Iss 3, Pp 54-59 (2021)
In order to solve the problem of insufficient carrier space caused by the antenna loaded inside the conical seeker, the conformal four arm conical spiral antenna which applied to the main frequency of 1.575 GHz satellite positioning communication sys
Externí odkaz:
https://doaj.org/article/ee23ce8701e64c06bf828c44fe5d8cd3
Publikováno v:
IEEE Access, Vol 9, Pp 86-95 (2021)
This paper presents a new design for a wideband circularly polarized (CP) spiral antenna array fed by a differential aperture coupling. The differential excitation is realized by two vias located at the lateral sides of a transverse slot etched on th
Externí odkaz:
https://doaj.org/article/04691df7ac5648bfafb9fe0b1f9802f6
Autor:
Kuo Liu, Ruipeng Liu, Wenjie Cui, Kanglong Zhang, Mengjun Wang, Chao Fan, Hongxing Zheng, Erping Li
Publikováno v:
IEEE Access, Vol 9, Pp 117349-117357 (2021)
This paper presents a conformal spiral antenna that is miniaturized and with dual-resonant for the wireless implantable capsule system. The spiral antenna conforms to a swallowable capsule with a radius of 3 mm and a length of 26 mm without occupying
Externí odkaz:
https://doaj.org/article/8e0770b15abc42c3bc167baef122d7f7
Publikováno v:
IEEE Access, Vol 9, Pp 168899-168906 (2021)
This letter introduces a novel four-arm planar spiral antenna which provides a perfect circular polarization radiation for Global Navigation Satellite System applications. The antenna mainly consists of four parts: an Archimedes spiral radiation area
Externí odkaz:
https://doaj.org/article/19187119e14940f48d0442f5a36d3df2