Results 111 to 120 of about 2,996 (222)

Butterflies (Lepidoptera Papilionoidea) diversity at Endau-Rompin Johor national park, Malaysia and prioritising the potential groups for nature tourism product [PDF]

, 2018
From a total of 17,461 species of butterfly described worldwide, at least twothird are from the tropics. Peninsular Malaysia is home to 1038 butterfly species.
Chooi, Khim Phon, Ismail, Norradihah, Mohamed, Maryati, Mohd Salleh, Kahirol, Tokiman, Lili   +4 more
core  

Multibeam Compact Reflectarray Antenna With Low Scan Loss and Wide-Angle Performance Using a Multi-Feed Configuration

IEEE Open Journal of Antennas and Propagation
In this article, two multibeam reflectarray antennas are presented for Ka-band in a multi-feed configuration. Both feature a wide-angle scanning range with very low scan losses.
Andres Gomez-Alvarez, Alvaro F. Vaquero, Manuel Arrebola, Marcos Rodriguez Pino   +3 more
doaj   +1 more source

Reflectarray Antennas

International Journal of Computer Applications, 2014
Amit A. Deshmukh, Ameya A. Kadam, Ami A. Desai, Kshitij Lele   +3 more
openaire   +1 more source

Reflectarray for K/Ka Band Terminal Antenna [PDF]

, 2008
Different satellite systems have been defined to provide broadband communications and internet access in remote geographical areas in Ka band (20-30 GHz) [1-2], being the up-link at 30 GHz and the down-link at 20 GHz.
Barba Gea, Mariano, Encinar Garcinuño, José Antonio   +1 more
core  

Global technique analysis for reconfigurable reflectarray antennas

, 2011
International audienceThis paper focuses on the simulation of reconfigurable reflectarrays. A new method combining the 'surrounded-cell' approach and the compression method is presented.
Gillard, Raphaël, Labeyrie, Michèle, Loison, Renaud, Martinaud, Jean-Paul, Yann, Clement   +4 more
core   +1 more source

Editorial on Antennas. [PDF]

Sensors (Basel), 2023
Parchin NO, See CH, Abd-Alhameed RA.
europepmc   +1 more source

Tapered high-gain Fabry-Perot cavity antenna with high sidelobe suppression for 5G industry. [PDF]

Sci Rep, 2023
Hussain M, Lee KG, Kim D.
europepmc   +1 more source

Experimental Investigation of Reflectarray Antennas for High-Power Microwave Applications. [PDF]

Micromachines (Basel)
Zhao J, Dong Y, Li H, Li T, Liu W, Zhou Y, Wang H, Hu B, Li F, Wang K, Qiu B.   +10 more
europepmc   +1 more source

Low-Profile Dual-Band Reflector Antenna for High-Frequency Applications. [PDF]

Sensors (Basel), 2023
Lu S, Qu SW.
europepmc   +1 more source

Ka-Band Reflectarray with Cylindrical Dielectric Unit Cells: Optimized Additive Manufacturing and High-Permittivity Material Characterization. [PDF]

Sensors (Basel)
Beccaria M, Massaccesi A, Lumia M, Addamo G, Freni A, Pirinoli P.   +5 more
europepmc   +1 more source