Browsing by Author "Kalfa, Mert"
Now showing items 1-12 of 12
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Adaptive measurement matrix design in compressed sensing based direction of arrival estimation
(IEEE, 2021)Design of measurement matrices is an important aspect of compressed sensing (CS) based direction of arrival (DoA) applications that enables reduction in the analog channels to be processed in sparse target environments. ... -
Analysis of cylindrically conformal antennas using closed-form Green's function representations
(IEEE, 2015-04)Probe-fed microstrip patch antennas and slotted sectoral waveguide array antennas embedded in cylindrically stratified media are analyzed with a hybrid Method of Moments/Green's function technique, where closed-form Green's ... -
Analysis of slotted sectoral waveguide antenna arrays embedded in cylindrically stratified media
(Bilkent University, 2013)Slotted waveguide antenna arrays with dielectric covers are widely used in both military and civil applications due to their low-profile, high power handling capacity, and the ability to conform to the host platform. ... -
Analysis of slotted sectoral waveguide array antennas with multilayer radomes and nonzero metal thickness
(IEEE, 2015-07)Slotted waveguide array antennas offer low cross-polarization and high power handling capacity, and they are low-profile which enables them to be used in conformal and structurally-integrated antenna solutions. Hence, they ... -
Analysis of slotted sectoral waveguides embedded in cylindrically stratified media using closed-form Green's function representations
(IEEE, 2013)Slotted waveguide antenna arrays with dielectric covers are widely used in both military and civil applications due to their low-profile, high power handling capacity, and the ability to conform to the host platform. ... -
Derivation of Green's function representations for the analysis of sectoral waveguides embedded in cylindrically stratified media
(IEEE, 2013)The design and analysis of dielectric-covered slotted waveguide arrays are of great interest in many military and civil applications, because of their low-profile, high efficiency and high power handling capabilities. ... -
Design and analysis of slotted sectoral waveguide array antennas embedded in cylindrically stratified media
(IEEE, 2014-07)Slotted waveguide antennas are being widely used in military and commercial applications for many decades. Low cross-polarization, high power capacity, ease of fabrication in microwave bands, and the ability to form arrays ... -
Error analysis of MLFMA with closed-form expressions
(IEEE, 2021-04-06)The current state-of-the-art error control of the multilevel fast multipole algorithm (MLFMA) is valid for any given error threshold at any frequency, but it requires a multiple-precision arithmetic framework to be ... -
Error control in MLFMA with multiple-precision arithmetic
(Institution of Engineering and Technology, 2018-04)We present a new error control method that provides the truncation numbers as well as the required digits of machine precision for the translation operator of the multilevel fast multipole algorithm (MLFMA). The proposed ... -
Multiple-precision MLFMA for efficient and accurate solutions of broadband electromagnetic problems
(Bilkent University, 2020-08)The multilevel fast multipole algorithm (MLFMA) is a popular full-wave electromagnetic solver that enables the solution of electrically large problems with an extremely large number of unknowns. As with all computational ... -
Parçacık süzgeci kullanarak uyarlamalı sıkıştırılmış algılama tabanlı geliş yönü kestirimi
(IEEE, 2020-12-18)Geliş yönü kestirimi (GYK) problemlerinde sinyaller arkaplan uzayında, nispeten az boyutlu bir manifoldda yatar. Bu nedenle, sıkıştırılmış algılama teknikleri güvenilir geliş yönü kestirimine olanak verir. Ayrıca, ardışık ... -
Towards goal-oriented semantic signal processing: Applications and future challenges
(Elsevier, 2021-06-15)Advances in machine learning technology have enabled real-time extraction of semantic information in signals which can revolutionize signal processing techniques and improve their performance significantly for the next ...
