Zobrazeno 1 - 10
of 23
pro vyhledávání: '"L.K. Hady"'
Publikováno v:
IEEE Transactions on Microwave Theory and Techniques. 57:3404-3409
The use of whispering-gallery mode dielectric resonator (WGMDR) in the design of X -band five-way power divider is presented. Different excitation techniques are proposed to excite the higher order whispering-gallery H-polarized resonating mode such
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fca48e686ce4cc7603c8e1657b205214
https://doi.org/10.1109/tmtt.2009.2033884
https://doi.org/10.1109/tmtt.2009.2033884
Publikováno v:
IEEE Transactions on Antennas and Propagation. 57:2591-2598
The concept of achieving a dual-band antenna with two different radiation patterns using a single cylindrical dielectric resonator is presented. Both simulated and experimental measured results are conducted to prove the validity of the proposed conc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::212eff74d55a70eec87dfe0cf2e4a32d
https://doi.org/10.1109/tap.2009.2024488
https://doi.org/10.1109/tap.2009.2024488
Publikováno v:
IEEE Transactions on Antennas and Propagation. 57:1328-1335
A single dielectric resonator is used for a triple mode operation in filtering and dual band radiation purposes. A high unloaded quality factor over 2300 at 2.43 GHz is obtained simultaneously with both broadside and omni-directional radiation patter
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d1e3923a9e9fcf0ebd46b79e19430e1
https://doi.org/10.1109/tap.2009.2016708
https://doi.org/10.1109/tap.2009.2016708
Autor:
L.K. Hady, Ahmed A. Kishk
Publikováno v:
Progress In Electromagnetics Research B. 3:189-206
The asymptotic strip boundary condition (ASBC) is applied to analyze the solution of the electromagnetic scattering from a conducting cylinder coated with a homogeneous linear material layer and loaded with conducting helical strips. Such homogeneous
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a50f92e6408ea3aa46108098bb4f80f5
https://doi.org/10.2528/pierb07121107
https://doi.org/10.2528/pierb07121107
Publikováno v:
2009 IEEE MTT-S International Microwave Symposium Digest.
The use of whispering-gallery mode dielectric resonator (WGMDR) in the design of X-band 5-way power divider is presented. A combination of probe type of excitation integrated with microstrip technology are used to excite an H-polarized resonating mod
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::062dab83c4ad422cd2720f79ad1787e2
https://doi.org/10.1109/mwsym.2009.5165738
https://doi.org/10.1109/mwsym.2009.5165738
Publikováno v:
2009 IEEE Antennas and Propagation Society International Symposium.
The new concept of having a dual mode operation using a single dielectric resonator has been designed and simulated for both radiation and direction-finding purposes. The main concept was based on the rat-race ring hybrid circuit design. Promising re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9641b0eace3f7576476fb66fbaa37969
https://doi.org/10.1109/aps.2009.5172062
https://doi.org/10.1109/aps.2009.5172062
Publikováno v:
2009 IEEE Radio and Wireless Symposium.
A triple mode operation for filtering and dual band radiation purposes is presented using a single dielectric resonator. A promising filter insertion loss value of −1.2 dB is obtained at 2.43 GHz simultaneously with both broadside and omni-directio
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79497f184e00354c6ee92cc18d362028
https://doi.org/10.1109/rws.2009.4957290
https://doi.org/10.1109/rws.2009.4957290
Publikováno v:
2008 Asia-Pacific Microwave Conference.
This paper discusses the concept of having a dual band antenna for GPS and wireless communication system applications with the use of a single cylindrical dielectric resonator. A circularly polarized HEM11delta mode is excited at 1.575 GHz to cover t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::502acffe65a6bb5023b80b4deec4f421
https://doi.org/10.1109/apmc.2008.4958536
https://doi.org/10.1109/apmc.2008.4958536
Publikováno v:
2008 IEEE MTT-S International Microwave Symposium Digest.
A new concept of dual mode operation for oscillation and radiation characteristics using single dielectric resonator enclosed by modified rectangular cavity has been developed in this paper. High unloaded quality factor of 2700 at 2.54 GHz and omni-d
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::dc37d86b5d80ed282f7012505d1d7819
https://doi.org/10.1109/mwsym.2008.4633006
https://doi.org/10.1109/mwsym.2008.4633006
Autor:
Ahmed A. Kishk, L.K. Hady
Publikováno v:
2007 IEEE Region 5 Technical Conference.
Ultra-wideband (UWB) transceiver architecture is proposed in this paper for medical applications designed at the UWB frequency range. An analog to digital converter (ADC) circuit, which represents the key tool of signal processing for future developm
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5cdbc76f244776832b0b88871872396
https://doi.org/10.1109/tpsd.2007.4380311
https://doi.org/10.1109/tpsd.2007.4380311