Results 171 to 180 of about 9,753 (225)

Observation of wave amplification and temporal topological state in a non-synthetic photonic time crystal. [PDF]

open access: yesNat Commun
Xiong J   +8 more
europepmc   +1 more source

Optimum design of a probe fed dual frequency patch antenna using genetic algorithm

open access: yes, 2009
Ghassemlooy, Zabih   +4 more
core  

A decade of microstrip technology in Orissa

2007 IEEE Applied Electromagnetics Conference (AEMC), 2007
This article presents the status of microstrip technology in the State of Orissa (India) over the last decade. It identifies the areas of research, the problems faced by the people involved in this technology and how these problems have been tackled.
N. Das, R. K. Mishra
exaly   +2 more sources

Microstrip antenna technology

IEEE Transactions on Antennas and Propagation, 1981
A survey of microstrip antenna elements is presented, with emphasis on theoretical and practical design techniques. Available substrate materials are reviewed along with the relation between dielectric constant tolerance and resonant frequency of microstrip patches. Several theoretical analysis techniques are summarized, including transmission-line and
K Carver
exaly   +2 more sources

Chirped delay lines in microstrip technology

IEEE Microwave and Wireless Components Letters, 2001
In this paper, we report on a design method for chirped delay lines (CDLs) in microstrip technology. They consist in a continuously varying strip width, so that the coupling location between the quasi-TEM microstrip mode and the same but counter-propagating mode is linearly distributed in frequency.
MIGUEL A G Laso, T Lopetegi, D Benito
exaly   +2 more sources

Wideband butler matrix in microstrip-slot technology

open access: yes2009 Asia Pacific Microwave Conference, 2009
The design of a 4 x 4 Butler Matrix for use in a multi-beam antenna array operating over wide frequency band is presented. In order to achieve wideband characteristics, the matrix uses microstrip-slot technology that employs two microstrip dielectric layers with a common ground plane and a coupling slot.
Ibrahim, Siti Zuraidah   +1 more
openaire   +3 more sources

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