Yazar "Belen, Mehmet Ali" için listeleme
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3D EM data driven surrogate based design optimization of traveling wave antennas for beam scanning in X-band: an application example
Belen, Aysu; Güneş, Filiz; Palandöken, Merih; Tarı, Özlem; Belen, Mehmet Ali; Mahouti, Peyman (Springer, 2022)In this paper, design and optimization of a microstrip elliptic traveling wave antenna (TWA) are presented for the beam scanning in X-band as an application of 3D data driven surrogate based design optimization technique. ... -
Accurate Modeling of Antenna Structures by Means of Domain Confinement and Pyramidal Deep Neural Networks
Koziel, Slawomir; Çalık, Nurullah; Mahouti, Peyman; Belen, Mehmet Ali (Institute of Electrical and Electronics Engineers Inc., 2022)The importance of surrogate modeling techniques has been gradually increasing in the design of antenna structures over the recent years. Perhaps the most important reason is a high cost of full-wave electromagnetic (EM) ... -
Accurate Modeling of Frequency Selective Surfaces Using Fully-Connected Regression Model With Automated Architecture Determination and Parameter Selection Based on Bayesian Optimization
Çalık, Nurullah; Belen, Mehmet Ali; Mahouti, Peyman; Koziel, Slawomir (Institute of Electrical and Electronics Engineers Inc., 2021)Surrogate modeling has become an important tool in the design of high-frequency structures. Although full-wave electromagnetic (EM) simulation tools provide an accurate account for the circuit characteristics and performance, ... -
A compact triband antipodal Vivaldi antenna with frequency selective surface inspired director for IoT/WLAN applications
Güneş, Filiz; Evranos, İlhan Ömer; Belen, Mehmet Ali; Mahouti, Peyman; Palandöken, Merih (Springer, 2021)In this paper, an antipodal triband Vivaldi antenna operating in 2.4/5.2/5.8 GHz bands has been presented for WLAN/IoT applications. The proposed antipodal Vivaldi antenna has meander line shaped slotted lines, which are ... -
Data driven surrogate modeling of horn antennas for optimal determination of radiation pattern and size using deep learning
Piltan, Onur Can; Kızılay, Ahmet; Belen, Mehmet Ali; Mahouti, Peyman (Wiley, 2023)Horn antenna designs are favored in many applications where ultra-wide-band operation range alongside of a high-performance radiation pattern characteristics are requested. Scattering-parameter characteristics of antennas ... -
Data-driven modeling of band-pass filter for sub-5G applications
Belen, Aysu; Belen, Mehmet Ali (Wiley, 2023)Radiofrequency noise is one of the challenging problems in the design of high-performance wireless communication systems, for which microstrip band-pass filters are one of the most commonly used design solutions for this ... -
Data-Driven Surrogate-Assisted Optimization of Metamaterial-Based Filtenna Using Deep Learning
Mahouti, Peyman; Belen, Aysu; Tarı, Özlem; Belen, Mehmet Ali; Karahan, Serdal; Koziel, Slawomir (MDPI, 2023)In this work, a computationally efficient method based on data-driven surrogate models is proposed for the design optimization procedure of a Frequency Selective Surface (FSS)-based filtering antenna (Filtenna). A Filtenna ... -
Deep-learning-based precise characterization of microwave transistors using fully-automated regression surrogates
Çalık, Nurullah; Güneş, Filiz; Koziel, Slawomir; Pietrenko-Dabrowska, Anna; Belen, Mehmet Ali; Mahouti, Peyman (Nature Research, 2023)Accurate models of scattering and noise parameters of transistors are instrumental in facilitating design procedures of microwave devices such as low-noise amplifiers. Yet, data-driven modeling of transistors is a challenging ... -
Design and Realization of Broadband Active Inductor Based Band Pass Filter
Belen, Aysu; Belen, Mehmet Ali; Palandöken, Merih; Mahouti, Peyman; Tarı, Özlem (Wiley, 2023)With the latest developments in the wireless communication systems, the alternative design methodologies are required for the broadband design of microwave components. In this paper, a compact broad band pass filter (BPF) ... -
GSM ve ISM Bandı RF Enerji Hasatlama Sistemleri için Tek Katlı Doğrultucu Devre Tasarımı
Belen, Aysu; Belen, Mehmet Ali (Süleyman Demirel Üniversitesi, 2021)Kablosuz haberleşme sistemlerinin yaygınlaşmasıyla ortamlarda pek çok frekansta sinyaller bulunmaktadır. Ortamda bulunan mevcut sinyallerin enerji kaynağı olarak dönüştürülmesini hedefleyen sistemler enerji hasatlama ... -
Improved Modeling of Microwave Structures Using Performance-Driven Fully-Connected Regression Surrogate
Koziel, Slawomir; Mahouti, Peyman; Çalık, Nurullah; Belen, Mehmet Ali; Szczepanski, Stanislaw (Institute of Electrical and Electronics Engineers Inc., 2021)Fast replacement models (or surrogates) have been widely applied in the recent years to accelerate simulation-driven design procedures in microwave engineering. The fundamental reason is a considerable-and often prohibitive-CPU ... -
Low-Cost and Highly Accurate Behavioral Modeling of Antenna Structures by Means of Knowledge-Based Domain-Constrained Deep Learning Surrogates
Koziel, Slawomir; Çalık, Nurullah; Mahouti, Peyman; Belen, Mehmet Ali (Institute of Electrical and Electronics Engineers Inc., 2023)The awareness and practical benefits of behavioral modeling methods have been steadily growing in the antenna engineering community over the last decade or so. Undoubtedly, the most important advantage thereof is a possibility ... -
Microstrip leaky wave antenna for wide range of beam scanning in X band
Belen, Aysu; Güneş, Filiz; Belen, Mehmet Ali; Mahouti, Peyman (Wiley, 2021)In this work, design of a pattern reconfigurable antenna is presented for X-band applications as a leaky wave antenna (LWA) realization. Due to the advantages of simple design schematic, low profile, and easy impedance ... -
Optimal design of transmitarray antennas via low-cost surrogate modelling
Belen, Mehmet Ali; Çalışkan, Alper; Koziel, Slawomir; Pietrenko-Dabrowska, Anna; Mahouti, Peyman (Nature Research, 2023)Over the recent years, reflectarrays and transmitarrays have been drawing a considerable attention due to their attractive features, including a possibility of realizing high gain and pencil-like radiation patterns without ... -
Rapid Design of 3D Reflectarray Antennas by Inverse Surrogate Modeling and Regularization
Koziel, Slawomir; Belen, Mehmet Ali; Çalışkan, Alper; Mahouti, Peyman (Institute of Electrical and Electronics Engineers Inc., 2023)Reflectarrays (RAs) exhibit important advantages over conventional antenna arrays, especially in terms of realizing pencil-beam patterns without the employment of the feeding networks. Unfortunately, microstrip RA ... -
Surrogate Based Design Optimization of Multi-Band Antenna
Tarı, Özlem; Belen, Aysu; Mahouti, Peyman; Belen, Mehmet Ali (Institute of Electrical and Electronics Engineers Inc., 2021)In this work, design optimization process of a multi-band antenna via the use of Artificial Neural Network (ANN) based surrogate model and meta-heuristic optimizers is studied. For this mean firstly, by using Latin-Hyper ... -
Vivaldi Antenna Design With Frequency Selective Surfaces for GPR Applications
Mahouti, Peyman; Kızılay, Ahmet; Razevig, Vladimir V.; Belen, Mehmet Ali; Piltan, Onur Can (Institute of Electrical and Electronics Engineers Inc., 2023)Due to their high performance qualities, vivaldi antenna designs are employed in numerous communication applications, including ground penetrating radar. Due to its high gain and wide band properties, the Vivaldi antenna ...
