Browsing Electrical & Electronics Engineering by Author "Özyeğin University"
Now showing items 1-7 of 7
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Blood clotting time measurement using a miniaturized high-frequency ultrasound sensor
Sobhani, M. R.; Majidi, Negar; Yaralıoğlu, Göksen Göksenin (IEEE, 2023)This paper demonstrates a novel blood coagulation time measurement methodology that requires as low as 1 microliter of whole blood. The blood sample is placed on the top surface of a fused quartz plate where an ultrasonic ... -
Depression screening from voice samples of patients affected by parkinson’s disease
Özkanca, Yasin Serdar; Öztürk, M. G.; Ekmekci, Merve Nur; Atkins, D. C.; Demiroğlu, Cenk; Ghomi, R. H. (S. Karger AG, 2019-05-01)Depression is a common mental health problem leading to significant disability worldwide. It is not only common but also commonly co-occurs with other mental and neurological illnesses. Parkinson's disease (PD) gives rise ... -
Development and 3D spatial calibration of a parallel robot for percutaneous needle procedures with 2D ultrasound guidance
Ahmad, Mirza Awais; Orhan, Sabri Orçun; Yıldırım, Mehmet Can; Bebek, Özkan (World Scientific, 2017-12-01)Robotic systems are being applied to medical interventions as they increase the operational accuracy. The proposed autonomous and ultrasound guided 5-DOF parallel robot can achieve such accuracy for needle biopsies, which ... -
Down-conversion emission profile characterisation via camera
Kuniyil, Hashir Puthiyapurayil; Durak, Kadir (Optica Publishing Group, 2020-12-14)We present a method to improve the brightness and collection efficiency of the spontaneous parametric down-conversion source by monitoring the mode shape using camera and correcting it with collection optics. -
Photon statistics effects on a QRNG of vacuum fluctuations
Dandaşi, Abdulrahman; Özel, Helin; Durak, Kadir (Optica Publishing Group, 2020-09-14)Optical scattering enhances randomness characteristics, increases the chaotic behavior of coherent sources, broadens the distribution of photon statistics and makes it super-Poissonian which allows faster sampling compared ... -
PYNQ-based rapid FPGA implementation of quantum key distribution
Bilgin, Yiğit; Tesfay, Shewıt Weldu; İpek, Seçkin; Uğurdağ, Hasan Fatih; Durak, Kadir; Gören, S. (IEEE, 2021)In this paper, we present a real-time Quantum Key Distribution (QKD) implementation on Field Programmable Gate Arrays (FPGAs) for secure communication. We propose a novel methodology with a Python-based programming interface ... -
Relaying techniques for free space optical communications
Aminikashani, Mohammadreza; Uysal, Murat (Institution of Engineering and Technology, 2019-01-01)Despite the major advantages of FSO technology and variety of its application areas, its widespread use has been hampered by its rather disappointing link reliability particularly in long ranges due to atmospheric ...
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