Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Kevin Khee-Meng Chan"'
Autor:
Kapil Gangwar, Gary Chien-Yi Chen, Kevin Khee-Meng Chan, Ravi Kumar Gangwar, Karumudi Rambabu
Publikováno v:
IEEE Access, Vol 9, Pp 150162-150171 (2021)
Miniaturized antenna system for the safety of miners in an underground mine for providing communication has been presented in this paper. Miniaturization of the proposed antennas is achieved by using printed inverted-F and inverted-L elements. The im
Externí odkaz:
https://doaj.org/article/41e82bd8d55a44f58c6c392c1bab8905
Publikováno v:
IEEE Transactions on Antennas and Propagation. 65:6819-6826
An antenna that radiates nondispersive and time-aligned wave-fronts at all angles of radiation (in a half-space) is introduced. The antenna operates by the coupling of a broadband plane wave through an aperture of subwavelength diameter in a metal sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7127f0b3245c0f6185ac74293460c76b
https://doi.org/10.1109/tap.2017.2757965
https://doi.org/10.1109/tap.2017.2757965
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 64:1884-1895
In this paper, practical considerations for steam assisted gravity drainage (SAGD) monitoring using ultra-wideband (UWB) radar are studied. The SAGD process and important factors to monitor its performance are discussed. Several experiments are condu
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3503300fd8c2620d449df3827e521b0c
https://doi.org/10.1109/tmtt.2016.2561926
https://doi.org/10.1109/tmtt.2016.2561926
Material Characterization of Arbitrarily Shaped Dielectrics Based on Reflected Pulse Characteristics
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 63:1700-1709
The relative permittivity of materials is extracted using time domain radar pulse reflection measurements. The pulse reflected from an arbitrarily shaped dielectric object is compared with that reflected from its metallic equivalent to determine the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9bb325714dd90d64510aa3c395afae7a
https://doi.org/10.1109/tmtt.2015.2418199
https://doi.org/10.1109/tmtt.2015.2418199
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 61:2069-2075
A robust contactless vital signs monitoring system using circularly polarized ultra-wideband (UWB) radar is presented. The design of the proposed UWB radar system is based on a time-expanded correlation architecture. The circularly polarized antenna
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7d51cf0a248ddd1e0cd9a2a0fe7ce72e
https://doi.org/10.1109/tmtt.2013.2253328
https://doi.org/10.1109/tmtt.2013.2253328
Publikováno v:
IET Microwaves, Antennas & Propagation. 7:71-77
The design and analysis of a decade bandwidth 3 dB 180° hybrid coupler using tandem connection of two similar wideband 8.34 dB hybrids is presented. The designed coupler has return loss better than 12 dB over a decade bandwidth, insertion loss below
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::28844103e0053c203abe552dcdba7004
https://doi.org/10.1049/iet-map.2012.0467
https://doi.org/10.1049/iet-map.2012.0467
Publikováno v:
IEEE Transactions on Antennas and Propagation. 59:1428-1432
An experimental verification of energy link loss between the source at the transmitting antenna and the load at the receiver for ultrawideband systems is presented. The proposed closed-form approximations for the link loss analysis are verified exper
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9c1599e6d189bf249cb5b28cff6fcd65
https://doi.org/10.1109/tap.2011.2109351
https://doi.org/10.1109/tap.2011.2109351
Publikováno v:
IEEE Transactions on Consumer Electronics. 56:1235-1240
This paper presents a miniaturized broadband Yagi antenna design for GSM, WLAN, and WiMax applications. This antenna is comprised of an inverted-F and two inverted-L shaped wires as active and parasitic elements in the array configuration. The realiz
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1c35b697634dca486b95a2adaa00fcfa
https://doi.org/10.1109/tce.2010.5606252
https://doi.org/10.1109/tce.2010.5606252
Publikováno v:
Progress In Electromagnetics Research C. 17:39-53
In this paper, a time domain analysis for ultra-wideband short pulse radiation from wire monopole antennas and their arrays is presented. The pulse travels along the monopole antenna and re∞ects from the open end; during the pulse re∞ection, the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b84430fcc7bed0bdc8d0584de0bd8913
https://doi.org/10.2528/pierc10071207
https://doi.org/10.2528/pierc10071207
Publikováno v:
IEEE Transactions on Electromagnetic Compatibility. 51:604-610
This paper presents an analysis of the antenna effect on ultra-wideband (UWB) pulse shape in transmission and reception. This analysis consists of a derivation of the impulse response for frequently used UWB antennas like the ridged horn, transverse
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bbe8253dcdb99a1fbb00c4a598a83eca
https://doi.org/10.1109/temc.2009.2023364
https://doi.org/10.1109/temc.2009.2023364