Başlık için Fen Bilimleri Enstitüsü listeleme
Toplam kayıt 86, listelenen: 59-78
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Natural language processing analysis of comments about education on twitter during the COVID-19
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)The emergence of COVID-19 has caused people to be unable to live their daily activities, travel, work and social interactions. Like many other sectors, students, and educators around the world face serious problems in the ... -
Neural network-based adaptive myoelectric signal classification via utilization of entropy history
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2017)The surface electromyography (sEMG) signals emanating from the remnant forearm muscles of transradial amputees are eligible for controlling robotic prostheses to replace the functions of the lost hand. sEMG pattern recognition ... -
Neuroprotective effects of curcumin-loaded emulsomes on laser-induced axotomy modelled primary hippocampal neurons
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2019)As reported by WHO, it has been anticipated that neurodegenerative diseases will be the second cause of death following the cardiovascular diseases by 2040. A polyphenol isolated from the rhizomes of turmeric called curcumin ... -
A new rodent behavioral paradigm for studying closed-loop cursor control
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)Control of cursor on a PC monitor using a joystick is a standard paradigm to study the neural mechanisms involved in motor skill learning in human and non-human primates. This paradigm is also commonly used in non-human ... -
NOMA multi-numerology and guard reduction methods in OFDM systems for 5g networks
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)Non-orthogonal multiple access (NOMA) is a promising technique which outperforms the traditional multiple access schemes in many aspects. It uses superposition coding (SC) to share the available resources among the users ... -
OFDM with index modulation for narrowband iot and mmtc
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2018)The crucial aim for 5G narrowband Internet of Things (NB-IoT) is to support massive Machine-Type Communications (mMTC) with wide coverage area, low power consumption, low hardware complexity and low data rate. Direct ... -
On the design of a flexible waveform and low ici symbol boundary alignment
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2017)Cellular systems of fifth generation (5G) radio access technology is expected to support a wide variety of service requirements in different applications. High reliability, flexibility, spectral efficiency, and low power ... -
Parallelized cyber reconnaissance automation: A real-time and scheduled security scanner
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)The extraordinary advancement of technology has increased the importance of achieving the required level of information security, which is still difficult to achieve. Recently, network and web application attacks have ... -
Path loss prediction from heightmap using deep learning
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)Wireless channel parameters of a region are required for a successful network planning. Sufficient information about those parameters can be obtained by either actual measurements or ray-tracing simulations that use 3D ... -
Physical layer security schemes for wireless communication systems
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2016)Security in wireless communications has always been a major concern due to the broadcast nature of the radio waves. Apart from the conventional cryptologic methods that are performed in the upper layers, physical-layer ... -
Physical layer security techniques for future wireless communication systems against eavesdropping
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2020)The inherent broadcast characteristics of wireless communication make it vulnerable to passive eavesdropping. Conventionally, security techniques in the upper layers like cryptography-based techniques have been employed ... -
Plasmonic biosensor design and alternative plasmonic materials
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)Light-matter interaction is the one of the most important and studied topic in time dependent quantum mechanic especially for description of spectroscopy. Light matter interaction can be described in two ways. First one ... -
The problems of common criteria evaluation for hospital information management systems in Turkey
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2019)Hospital information management systems (HIMS) are essential tool for hospitals not only for the management of the hospital but also for improving healthcare quality and efficiency. The developed countries set national and ... -
Public perception towards children's COVID-19 vaccination with natural language processing
(İstanbul Medipol Üniversitesi, Fen Bilimleri Enstitüsü, 2022)At the end of 2019, Coronavirus disease manifested itself in Wuhan, China, turned into an epidemic, became a global problem, and caused many deaths. As a result of the strategies developed with the spread of the epidemic, ... -
RSS-based wireless LAN indoor localization and tracking using deep architectures
(MDPI, 2022)Wireless Local Area Network (WLAN) positioning is a challenging task indoors due to environmental constraints and the unpredictable behavior of signal propagation, even at a fixed location. The aim of this work is to develop ... -
Scattering from a chiral cylinder of arbitrary cross-section above a dielectric half-space
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)A simple numerical solution for electromagnetic scattering from a two dimensional (2-D) homogeneous chiral cylinder of arbitrary cross-section placed above a dielectric half-space is presented. The surface equivalence ... -
Scattering from a chiral cylinder of arbitrary cross-section above a ground plane
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)In this dissertation, a simple, accurate, and efficient solution is presented for the problem of scattering from a chiral cylinder of arbitrary cross-section above a ground plane. Both TM and TE excitations are considered. ... -
Signal processing techniques for security enhancement of wireless networks at the physical layer
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2017)Broadcast nature of wireless communications enables reaching multiple parties simultaneously. However, due to this property, the security of information trans- mission is prone to eavesdropping of unauthorized receivers. ... -
Software implementation of key transceiver algorithms for an in-band full-duplex DVB-S2-based satellite communication system
(İstanbul Medipol Üniversitesi Fen Bilimleri Enstitüsü, 2021)Nowadays, the demand for satellite bandwidth is boosted driven by the introduction of new areas of applications such as 5G-satellite integration and the internet of things. In-Band Full-Duplex communications, where a ...