• Wavelet based flame detection using differential PIR sensors 

  Erden, F.; Töreyin, Behçet Uğur; Soyer, E. B.; İnaç, İ.; Günay, O.; Köse, K.; Çetin, A. Enis (IEEE, 2012)

  In this paper, a flame detection system using a differential Pyro-electric Infrared (PIR) sensor is proposed. A differential PIR sensor is only sensitive to sudden temperature variations within its viewing range and it ...
• Laser array field correlations in underwater turbulence 

  Baykal, Yahya Kemal; Ata, Yalçın; Gökçe, Muhsin Caner (2022)

  In underwater turbulent medium, field correlations are found when the incidence is a laser beam array. Variations of the field correlations against the variations in the ring radius of laser array beam, number of beamlets ...
• Optimal Design of an In-Runner Direct-Drive Synchronous Permanent Magnet Starter/Generator for UAVs 

  Arslan, Sami; İskender, İres; Navruz, Tuğba Selcen (2022)

  The aim of improving efficiency, safety, and reliability as part of more-electric-aircraft initiatives is mediating the rapid development of aerospace systems. In addition, the increasing need for leadership in the ...
• Field correlations of partially coherent optical beams in underwater turbulence 

  Baykal, Yahya; Gercekcioglu, Hamza (2022-07)

  Field correlations of partially coherent optical beams at the receiver plane are formulated and evaluated in underwater turbulence. Variations of the field correlations are examined against changes in the degree of source ...
• Field correlations of a partially coherent optical Gaussian wave in tissue turbulence 

  Baykal, Yahya (2022-12-01)

  For a partially coherent Gaussian optical wave, field correlations in turbulent tissues are examined. Changes in the field correlations are evaluated when the degree of source coherence, diagonal length from the receiver ...
• Işık hüzmesi profili ölçme sistemi 

  Bük, Murat; Baki, T.; Çil, Celal Zaim; Cambaz, Göknur; Baykal, Yahya Kemal; Erseven, S.; Karabulut, S.; Ertuğ, A. Mithat (2011)
• Entangled microwave photons generation using cryogenic low noise amplifier (transistor nonlinearity effects) 

  Salmanogli, Ahmad (2022-10)

  This article mainly focuses on important quantum phenomenon called entanglement arising the nonlinearity property. This study uses a unique approach in which transistor nonlinearity effect (third-order nonlinearity) entangled ...
• Genişbant Erişim Telekomünikasyon Sistemlerinin Kullanım Kriterleri 

  Küçükoğlu, Afşin; Baykal, Yahya (1)

  Hızla artan bilgisayar ağı ihtiyacını gidermek ve yüksek hızı son kullanıcı noktalarına ulaştırabilmek amacıyla geliştirilmiş olan genişbant erişim sistemlerinin (access systems) teknolojik son durumu incelendi. Herhangi ...
• Intensity fluctuations in biological tissues at any turbulence strength 

  Ata, Yalçın; Gökçe, Muhsin Caner; Baykal, Yahya Kemal (2022-09-01)

  This study investigates the intensity fluctuations of the optical plane and spherical waves in biological tissue that experience any strength of turbulence. Biological tissue is a random and complex medium for optical wave ...
• Efficient Task Scheduling in Cloud Systems with Adaptive Discrete Chimp Algorithm 

  Gündüzalp, Emrullah; Yıldırım, Güngör; Tatar, Yetkin (2022-07)

  Successful task scheduling is one of the priority actions to increase energy efficiency, commercial earnings, and customer satisfaction in cloud computing. On the other hand, since task scheduling processes are NP-hard ...
• Effect of partial coherence on signal-to-noise ratio performance of free space optical communication system in weak turbulence 

  Akbucak, Volkan; Aymelek, Görkem; Yolcu, Begüm; Kayam, Orkun; Ünal, Onur; Gökçe, Muhsin Caner; Baykal, Yahya (2022-09-01)

  The effect of source coherence on the average signal-to-noise ratio SNR performance of free space optical communication (FSOC) systems operating in weak atmospheric turbulence is investigated with the help of the extended ...
• Ear semantic segmentation in natural images with Tversky loss function supported DeepLabv3+ convolutional neural network 

  İnan, Tolga; Kaçar, Ümit (2022)

  Semantic segmentation is a fundamental problem for computer vision. On the other hand, for studies in the field of biometrics, semantic segmentation is gaining more importance. Many successful biometric recognition systems ...
• Dynamic Optımızatıon of Image Brıgthness Level With Optimal Gamma Value Assessment (OGVA) Method 

  Preveze, Barbaros (2020)

  In this study, the proposed Optimum Gamma Value Assignment (OGVA) method is intended todynamically optimize the image intensity level in non-desired images due to undesired light levels. Forthis purpose, it is aimed to ...
• Design and Modeling of Very Narrow Band-pass Radio Frequency Filter for Optical Pressure Sensor 

  İşpak, T. S.; Başaraner, G.; Ceylan, S.; Salmanogli, A.; Geçim, H. Selçuk (2021)

  In this study, an optical pressure sensor is designed to sense a force on the scale of 100 nN. For this purpose, a very narrow radio frequency band-pass filter is designed and modeled to detect the optical pressure ...
• Design and Modeling Interdigitated Capacitor - Spiral Inductor Resonator for Optical Pressure Sensor 

  Demirel, M.; Duyguluer, G.; Öztürk, M.; Salmanogli, A.; Geçim, H. Selçuk (IEEE, 2021)

  In this study, an optical pressure sensor is designed to sense a force. To achieve that, an interdigitated capacitor connected to a spiral inductor that oscillates at GHz region is proposed to be designed. To sense a ...
• Coreloss Estimation via Long Short-Term Memory Model (LSTM) of Dry-Type Transformer based on FEA 

  Kül, Seda; Yildiz, Berat; Tamyurek, Bunyamin; İskender, İres (2021)

  2021 10th International Conference on Renewable Energy Research and Application (ICRERA)
• Analysis of Short Circuit Electromagnetic Force in a Three Winding Transformer Used in Solar System 

  Jahi, Amir; İskender, İres (IEEE, 2021)

  Due to the increasing of the fossil fuels prices in the past years and lack of these sources, all scientists encouraged to looking for the alternative energy sources. One of these energy sources is renewable solar energy. ...
• Analysis of Lightning Impulse Effects on Three Winding Transformer Used in Solar System Based ANSYS Maxwell 

  Yükselen, Emir; İskender, İres (IEEE, 2022)

  Transformers are in more critical applications in the renewable energy world and having a transformer fail in such a cyclical power station can be disastrous. Over voltage or voltage strike is the most important phenomena ...
• A Machine Learning Study to Enhance Project Cost Forecasting 

  İnan, Tolga; Narbaev, Timur; Hazır, Öncü (elsevier, 2022)

  In project management it is critical to obtain accurate cost forecasts using effective methods. This study presents a Machine Learning model based on Long-Short Term Memory to forecast the project cost. The model uses the ...
• Design Studies of VSC HVDC Converter According to AC Voltage Tests 

  Haliloglu, Ali Burhan; İskender, İres (2022-10)

  Since high-voltage direct current (HVDC) systems are very expensive and operationally critical, these systems must be tested before they are put into service. Insulation and performance tests are the two main subjects of ...

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