• A Bandpass Frequency Selective Surface Filter for Earth Observation Satellite and Radar Applications 

  Altıntaş, Olcay (Çukurova Üniversitesi, 2021)

  In this paper, a bandpass frequency selective surface filter has been suggested for the satellite and radar applications at X band frequency regime. The study has been conducted both numerically and experimentally in a ...

• An easy-to-produce HIS-based MIMO radio altimeter antenna design for aircraft 

  Kiriş, Serap; Karaaslan, Muharrem (Emerald Publishing, 2023)

  PurposeThe purpose of this study is to design a radio altimeter antenna whose production process is facilitated and can work with multiple-input multiple-output (MIMO) properties to provide space gain on the aircraft.Des ...

• 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 ...

• Design and Characterization of a Compact Four-Element Microstrip Array Antenna for WiFi-5/6 Routers 

  Paul, Liton Chandra; Ankan, Sarker Saleh Ahmed; Rani, Tithi; Jim, Md. Tanvir Rahman; Karaaslan, Muharrem; Shezan, S. Arefin; Wang, Lulu (Wiley, 2023)

  The WiFi-5 band was the most popular WiFi band until the Federal Communications Commission (FCC) announced a new spectrum of 6 GHz WiFi (5.925-7.125 GHz) for unlicensed users. Our proposed work is about to cover both the ...

• Prevention of Wave Propagation via Circular Arrangement of Seismic Metamaterials Formed with Concrete Piles 

  Kaçın, Selçuk; Özturk, Murat; Sevim, Umur Korkut; Karaaslan, Muharrem; Akgöl, Oğuzhan; Özer, Zafer; Demirci, Mustafa; Ünal, Emin; Mert, Bayram Ali; Alkurt, Maide Erdoğan; Alkurt, Fatih Özkan; Başar, Mustafa Tunahan (MDPI, 2023)

  It is known that the low frequencies of seismic surface waves have a destructive effect. The main purpose of seismic metamaterials is to protect structures from seismic waves at low frequencies, especially in a wide band. ...

• Pattern Shaping by Utilizing EBG Phase Response and Its Use in MIMO Radio Altimeter Antenna Design for Aircraft 

  Kiriş, Serap; Alkurt, Fatih Özkan; Karaaslan, Muharrem (MDPI, 2023)

  In this study, a novel pattern shaping technique is presented and applied to the uniquely designed multiple-input multiple-output (MIMO) radio altimeter antenna, acquiring area gain. Inspired by the behavior of the perfect ...

• Phase (1T/2H) dependent electromagnetic wave absorbing performance of flower-like MoS2 nanosheets 

  Aka, Cemal; Kıvrak, Burak; Tekşen, Fikret Alpay; Akyıldız, Hasan; Akgöl, Oğuzhan; Karaaslan, Muharrem; Akyol, Mustafa (Elsevier, 2023)

  A study was carried out to determine the phase-dependent electromagnetic wave (EMW) absorption performance of MoS2 particles via systematically diversified hydrothermal synthesis conditions such as time, temperature, ...

• Utilization of toxic marine invaders in the development of low-loss microwave devices 

  Uğurlu, Erkan; Önder, Duysak; Alkurt, Fatih Özkan; Karaaslan, Muharrem; Franco, Arlet Patricia (Niğde Ömer Halisdemir Üniversitesi, 2023)

  This research paper presents constitutive parameters of toxic marine invaders (Diadema setosum) and offers the availability of materials from these invaders for microwave applications. Two different powder form of these ...

• Transfer learning for drug–target interaction prediction 

  Dalkıran, Alperen; Atakan, Ahmet; Rifaioğlu, Ahmet Süreyya; Martin, Maria Jesús; Atalay, Rengül Çetin; Acar, Aybar Can; Doǧan, Tunca; Atalay, Volkan (Oxford University Press, 2023)

  MotivationUtilizing AI-driven approaches for drug-target interaction (DTI) prediction require large volumes of training data which are not available for the majority of target proteins. In this study, we investigate the ...

• A Wideband Highly Efficient Omnidirectional Compact Antenna for WiMAX/Lower 5G Communications 

  Paul, Liton Chandra; Ankan, Sarker Saleh Ahmed; Rani, Tithi; Karaaslan, Muharrem; Hossain, Md. Najmul; Al-Gburi, Ahmed Jamal Abdullah; Saha, Himel Kumar; Alkurt, Fatih Özkan (Wiley, 2023)

  Microstrip patch antenna (MPA) is widely used for different wireless communications such as WiMAX and fifth generation (5G). In this paper, a wideband, highly efficient, omnidirectional, compact novel patch antenna has ...

• Görüntü İşleme Yoluyla Otonom Tren-Hayvan Kazası Önleme Sistemi 

  Baltacıoğlu, Mustafa; Başar, Mustafa Tunahan; Karaaslan, Muharrem; Özer, Zafer; Öcal, Sefa (Demiryolu Mühendisleri Derneği, 2023)

  Çalışmada tren yolu ulaşımlarında yol güzergâhı üzerinde bulunan hayvan ölümlerinin önlenmesi üzerine odak sağlanmıştır. Hemzemin geçitlerde bulunan bariyer sistemleri raylı ulaşım araçlarının çarpışma kazalarını önleyici ...

• PANI-coated YIG/CFO hybrid composites as advanced electromagnetic wave absorber through X-band 

  Kıvrak, Burak; Şergün, Atalay; Karaaslan, Muharrem; Akyol, Mustafa (Elsevier, 2023)

  Polyaniline (PANI)-coated Y3Fe5O12(YIG)/CoFe2O4(CFO) hybrid composites were synthesized via sol-gel and oxidative polymerization methods to achieve advanced microwave absorption properties. The structural, morphological, ...

• Direct Analysis of Chlorine Ionized Cement-Based Composites and Its Sensor Application By 2,5GHz Antennas 

  Öztürk, Murat; Alkurt, Fatih Özkan; Sevim, Umur Korkut; Akgöl, Oğuzhan; Karaaslan, Muharrem (Osmaniye Korkut Ata Üniversitesi, 2023)

  In this paper, we propose a system that discriminate cement-based composite including sea sand by using microwave patch antennas. The composites with sea sand have vital importance in construction engineering industry ...

• Multi-objective control strategy for multilevel converter based battery D-STATCOM with power quality improvement 

  Eroğlu, Fatih; Kurtoğlu, Mehmet; Eren, Ahmet; Vural, Ahmet Mete (Elsevier, 2023)

  Differences in battery state-of-charge (SOC) in a cascaded H-bridge multilevel converter (CHB-MLC) based distribution static synchronous compensator (D-STATCOM) in battery storage system (BSS) applications could result in ...

• Detection of Toxic Gases Using Flexible Metamaterial Absorber at Terahertz Frequencies 

  Altıntaş, Olcay; Tetik, Erkan (Osmaniye Korkut Ata Üniversitesi, 2023)

  The development of technology implies the release of several gases to the environment. These gases, especially toxic ones, have many negative effects on human life and cause many diseases that will adversely affect human ...

• Investigation of EMI and UV-IR shielding properties of Kevlar and polyester/elastane nanocomposite fabrics coated by ECR and evaporation methods 

  İlhan, İlhami; Esen, Mehmet; Karaaslan, Muharrem; Akyürek, Banu Yılmaz; Çelikel, Özlem (Taylor and Francis, 2023)

  In this study, it is aimed to investigate Electromagnetic Shielding Interference (EMI) and Ultraviolet-Infrared (UV-IR) shielding behavior of nanocomposite textile fabrics produced by using Electron Cyclotron Resonance ...

• Detection and quantification of alkali-silica-reaction (ASR) gel in cement-based mortars using microwave spectral and temporal transmission properties 

  Hasar, Uğur Cem; Öztürk, Hamdullah; Korkmaz, Hüseyin; Taşdemir, Ahmet; Bute, Musa; Niş, Anıl; Karaaslan, Muharrem; Çevik, Abdülkadir; Özkaya, Mehmet Akif (Elsevier, 2023)

  Microwave transmission measurements in time-domain, as a new measurement tool, were carried out to detect and quantify alkali-silica-reaction (ASR) within mortar specimens. To examine the potential of time-domain transmission ...

• 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 ...

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