• Navigation Under GNSS Denied Environments: Zero Velocity and Zero Turning Update 

  Çifdalöz, Oğuzhan (2022-08)

  The objective of this paper is to present a method which bounds the error of an inertial navigation system (INS) when Global Navigation Satellite System (GNSS) is not available. Inertial navigation systems utilize gyroscopes ...
• Sustainable Management of a Renewable Fishery Resource with Depensation Dynamics from a Control Systems Perspective 

  Çifdalöz, Oğuzhan (2022-09)

  Human societies are exploiting natural renewable sources such as fisheries, forests, groundwater basins, rivers, and soil at an increasing intensity. Around the world, these resources are being managed by various institutions ...
• Mitigation of atmospheric turbulence on up and downlink optical communication systems using receiver diversity and adaptive optics 

  Yalçın, Ata; Gökçe, Muhsin Caner; Baykal, Yahya (2022-10)

  Improvement in the performance of uplink and downlink optical communication systems by means of receive diversity and adaptive optics correction is investigated. We develop a communication system model using adaptive optics ...
• Metaheuristic Algorithms Based Approaches For Efficiency Analysis Of Three-Phase Dry-Type Transformers 

  Kul, Seda; Celtek, Seyit Alperen; İskender, İres (2021)

  Transformers are considered as the significant contributors to the efficient transmission and distribution of electrical energy. The ability to change the voltage and current levels in inverse proportion help to reduce ...
• Manyetik Rezonansa Dayalı Kablosuz Enerji Transferi İçin Yeni Bir Nüve Geometrisi 

  Doğan, Zafer; Özsoy, Mustafa; İskender, İres (2019-12-24)

  Kablosuz Enerji Transferi (KET) uygulamalarında en önemli hedef, verimli bir enerji transferi sağlamaktır. KET günümüzde cep telefonu şarjı, elektrikli araç şarjı, aydınlatma, kontrol vb. birçok alanda uygulanmaktadır. ...
• 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 ...

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