Ahmed Akgiray
Ahmed Akgiray
Professor of Electrical-Electronics Engineering, Özyeğin University
Adresă de e-mail confirmată pe ozyegin.edu.tr
Citat de
Citat de
Equatorial spread-F initiation: Post-sunset vortex, thermospheric winds, gravity waves
E Kudeki, A Akgiray, M Milla, JL Chau, DL Hysell
Journal of Atmospheric and Solar-Terrestrial Physics 69 (17-18), 2416-2427, 2007
Circular quadruple-ridged flared horn achieving near-constant beamwidth over multioctave bandwidth: Design and measurements
A Akgiray, S Weinreb, WA Imbriale, C Beaudoin
IEEE Transactions on antennas and propagation 61 (3), 1099-1108, 2012
Airborne Ku-band polarimetric radar remote sensing of terrestrial snow cover
SH Yueh, SJ Dinardo, A Akgiray, R West, DW Cline, K Elder
IEEE Transactions on Geoscience and Remote Sensing 47 (10), 3347-3364, 2009
Noise measurements of discrete HEMT transistors and application to wideband very low-noise amplifiers
AH Akgiray, S Weinreb, R Leblanc, M Renvoise, P Frijlink, R Lai, ...
IEEE Transactions on Microwave Theory and Techniques 61 (9), 3285-3297, 2013
New Technologies Driving Decade-Bandwidth Radio Astronomy: Quad-ridged Flared Horn and Compound-Semiconductor LNAs
AH Akgiray
California Institute of Technology, 2013
Design and measurements of dual-polarized wideband constant-beamwidth quadruple-ridged flared horn
A Akgiray, S Weinreb, W Imbriale
Antennas and Propagation (APSURSI), 2011 IEEE International Symposium on …, 2011
An MMIC low-noise amplifier design technique
M Varonen, R Reeves, P Kangaslahti, L Samoska, JW Kooi, K Cleary, ...
IEEE Transactions on Microwave Theory and Techniques 64 (3), 826-835, 2016
High-resolution observations of mesospheric layers with the Jicamarca VHF radar
GA Lehmacher, L Guo, E Kudeki, PM Reyes, A Akgiray, JL Chau
Advances in Space Research 40 (6), 734-743, 2007
A 75–116-GHz LNA with 23-K noise temperature at 108 GHz
M Varonen, R Reeves, P Kangaslahti, L Samoska, A Akgiray, K Cleary, ...
2013 IEEE MTT-S International Microwave Symposium Digest (MTT), 1-3, 2013
Radar cross sections for mesospheric echoes at Jicamarca
GA Lehmacher, E Kudeki, A Akgiray, L Guo, P Reyes, J Chau
Annales geophysicae 27 (7), 2675-2684, 2009
The quadruple-ridged flared horn: A flexible, multi-octave reflector feed spanning f/0, 3 to f/2.5
A Akgiray, S Weinreb, WA Imbriale
2013 7th European Conference on Antennas and Propagation (EuCAP), 768-769, 2013
Ultrawideband square and circular quad-ridge horns with near-constant beamwidth
A Akgiray, S Weinreb
2012 IEEE International Conference on Ultra-Wideband, 518-522, 2012
The design and performance of a wideband radio telescope for the GAVRT program
WA Imbriale, S Weinreb, G Jones, H Mani, A Akgiray
IEEE Transactions on Antennas and Propagation 59 (6), 1954-1962, 2011
Turbulent kinetic energy dissipation rates and eddy diffusivities in the tropical mesosphere using Jicamarca radar data
L Guo, GA Lehmacher, E Kudeki, A Akgiray, R Sheth, JL Chau
Advances in Space Research 40 (6), 744-750, 2007
Mutual coupling between two arbitrarily oriented and positioned antennas in near-and far-field regions
AH Akgiray, Y Rahmat-Samii
2010 URSI International Symposium on Electromagnetic Theory, 780-783, 2010
Ultra-Wideband Low Noise Amplifiers For The Next Generation Very Large Array
JE Velazco, L Ledezma, J Bowen, L Samoska, M Soriano, A Akgiray, ...
2019 IEEE Aerospace Conference, 1-6, 2019
Performance of a quad-ridged feed in a wideband Radio Telescope (EuCAP 2011)
WA Imbriale, A Akgiray
Proceedings of the 5th European Conference on Antennas and Propagation …, 2011
Calibration of Jicamarca radar using F-region incoherent scatter for measurements of D-region backscatter RCS
AH Akgiray
University of Illinois at Urbana-Champaign, 2007
Cryogenic 1.2 to 116 GHz receiver for large arrays
S Weinreb, H Mani, W Zhong, J Flygare, B Billade, A Akgiray, L Dong
12th European Conference on Antennas and Propagation (EuCAP 2018), 1-4, 2018
Wideband near-constant beamwidth flared quad-ridge horn feed for reflector antennas in radio astronomy
A Akgiray
USNC-URSI National Radio Science Meeting, 2011
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