MÜF, Elektrik-Elektronik Mühendisliği Bölümü Koleksiyonu: Recent submissions
Now showing items 141-160 of 206
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Spline interpolation based channel estimation for ACO-OFDM over visible light channels
(Ieee, 2016)Visible light communication has been considered one of promising candidate technology to solve performance limitation due to bandwidth shortage at radio frequency (RF) band. in VLC system, the visible light is used not ... -
On channel estimation in DC biased optical OFDM systems over VLC channels
(Ieee, 2016)Visible Light Communication(VLC) has been considered as a potential access option for 5G wireless systems to solve performance limitation due to bandwidth shortage at radio frequency (RF) band. in (VLC) system, illumination ... -
Impact on efficiency of core materials in dry type transformers
(Ieee, 2016)Transformers have an important place in electric transmission and distribution systems. Transmission and distribution efficiency of transformers should be high in regard to energy efficiency. Efficiency is one of important ... -
Pilot assisted channel estimation for asymmetrically clipped optical OFDM over visible light channels
(Ieee, 2016)The Visible Light Communication(VLC) has drawn significant attention recently for wireless communication in addressing the performance limitations of wireless systems due to the scarcity of bandwidth. in VLC system, the ... -
Theoretical study of thermoelectric properties of n-type doped Mg2Si0.4Sn0.6 solid solutions
(Taylor & Francis Ltd, 2016)In this work, a systematic theoretical investigation of thermoelectric properties of n-type doped [GRAPHICS] solid solutions with [GRAPHICS] is presented in the temperature range [GRAPHICS] K. Electronic transport properties ... -
Comparison of reduction methods for peak-to-average-power-ratio (PAPR) in MIMO-OFDM systems with a new approach
(Polish Acad Sciences Inst Physics, 2016)This study is based on the comparison of the results of an analysis recommended for the peak-to-average-power-ratio (PAPR) reduction methods. This is one of the most significant problems in the multiple input-multiple ... -
Synthesis and properties of sol-gel derived transparent ZnO thin films: Effect of indium doping
(Korean Assoc Crystal Growth, Inc, 2016)High quality and transparent indium doped ZnO (IZO) thin films were deposited on glass substrates by sol-gel spin coating method. Zinc acetate and indium (III) chloride were used as precursor solution materials. Structural, ... -
Measurement and mapping of the GSM-based electromagnetic pollution in the Black Sea region of Turkey
(Taylor & Francis Inc, 2017)Electromagnetic pollution caused by mobile communication devices, a new form of environmental pollution, has been one of the most concerning problems to date. Consequences of long-term exposure to the electromagnetic ... -
A novel efficient PV - battery powered LED lighting scheme
(Ieee, 2017)This paper presents a novel fully controlled, flexible and self-adjusting LED lighting PV-Battery powered scheme using a pulse-width modulation (PWM) switching. This scheme is controlled a dual-loop error driven, time ... -
Beyin-bilgisayar arayüzü uygulamalarında etkin kanalların belirlenmesi
(Ieee, 2017)Brain computer interface systems are modeled to facilitate lives of patients who have not a problem in their cognitive functions but also can not move their muscles. the performance of such systems highly depends on features ... -
Sualtı doğalgaz boru hatlarında uzaktan sızıntı algılama
(Ieee, 2017)Undewater natural gas pipelines whose numbers and ages are increasing day by day can be punctured because of various reasons. in this study, nature of acoustic signals generated by leakages on pipelines is examined and a ... -
III-nitride terahertz photodetectors for the reststrahlen gap of intersubband optoelectronics
(Spie-Int Soc Optical Engineering, 2017)We report the development of terahertz intersubband photodetectors based on GaN/AlGaN quantum wells, covering the frequency range that is fundamentally inaccessible to existing III-V semiconductor devices due to Reststrahlen ... -
Remote leak hole localization for underwater natural gas pipelines
(Ieee, 2017)A vast amount of natural gas pipelines are installed underwater and they can be punctured because of various reasons such as corrosion and their increasing ages. in this study, nature of acoustic signals which are generated ... -
Classification of EEG based BCI signals imagined hand closing and opening
(Ieee, 2017)Brain-computer interfaces allow people to manage electronic devices such as computers without using their motor nervous system. When the brain is in a function, nerve cells in the brain communicate with each other with ... -
Zihinsel aritmetik tabanlı EEG sinyallerinden öznitelik çıkartımı
(Ieee, 2017)Analysis of mental arithmetic based electroencephalography (EEG) signal can be helpful for patients who have difficulty learning or understanding arithmetic or have autism spectrum disorders. It is difficult to separate ... -
GaN terahertz photodetectors for the reststrahlen Gap of intersubband optoelectronics
(Ieee, 2017)Terahertz intersubband photodetectors are developed based on GaN/AlGaN quantum wells grown on a semi-polar GaN substrate, covering the frequency range that is fundamentally inaccessible to existing III-V semiconductor ... -
Strain-engineered SiGe nanomembrane quantum-well infrared photodetectors
(Ieee, 2017)SiGe quantum-well nanomembranes, where stress from lattice mismatch is relaxed via elastic strain sharing rather than defect formation, are used to develop intersubband photodetectors showing improved performance compared ... -
Theoretical study of thermoelectric properties of p-type Mg-2 Si1-chi Sn-chi solid solutions doped with Ga
(Elsevier Science Sa, 2017)Mg-2 Si-Mg-2 Sn solid solutions are a promising class of thermoelectric materials. the thermoelectric properties of p-type Mg-2(Si-0.3 Sn-0.7)(1-y) Gay solid solutions with the doping levels as y = 0.05 and y = 0.07 are ... -
Thermoelectric properties of Mg2X (X = Si, Ge) based bulk and quantum well systems
(Amer Inst Physics, 2017)Mg2X (X = Si, Ge) compounds are promising thermoelectric materials for middle temperature applications due to good thermoelectric properties, nontoxicity, and abundantly available constituent elements. So far, these materials ... -
A flexible PV-powered battery-charging scheme for electric vehicles
(Taylor & Francis Ltd, 2017)This paper presents a new design for a low-impact, fully controlled, and flexible self-adjusting DC side pulse-width modulation (PWM)-hybrid modulated filter compensation (HMFC) scheme for multi photovoltaic-arrays utilized ...