Browsing Fakülteler by Title
Now showing items 457-476 of 1641
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Effect of power and rate adaptation on the spectral efficiency of MQAM/OFDM system under very fast fading channels
(Springer International Publishing Ag, 2012)In this article the effect of power and rate adaptation on the spectral efficiency of orthogonal frequency division multiplexing (OFDM) systems using M-ary quadrature amplitude modulation (MQAM) is investigated in the ... -
The Effect of Primary User Bandwidth on Bayesian Compressive Sensing Based Spectrum Sensing
(IEEE Computer Society, 2016)The application of compressive sensing (CS) theory has found great interest in wideband spectrum sensing. Although most studies have considered perfect reconstruction of the primary user signal it is actually more important ... -
The Effect of Reverberation Time and Signal-to-Noise Ratio On Word Recognition Scores By Adults and Children in Classrooms
(Yıldız Technical Univ, 2019)This paper seeks to assess the effect of reverberation time, distribution of reverberation time over the frequency range and signal-to-noise ratio on speech intellibility by adults and children in classrooms by the use of ... -
The effect of secondary user locations on the cooperative detection performance [İki?nci?l kullanıcı konumlarının i?şbi?rli?kli? algılama yöntemi? performansına etki?si?]
(IEEE, 2012)In conventional cooperative detection a fusion center decides on the presence or absence of the primary user by gathering all the information from secondary users and conveys this decision to all users. This approach does ... -
The Effect of Self-Concept Clarity on Discretionary Spending Tendency
(Elsevier Science Bv, 2016)Discretionary spending is an important indicator of economic well-being. However prior research is limited in empirically testing who is more likely to make discretionary purchases. To address this research gap this article ... -
The Effect Of Surfaces On The Orientational Properties and Phase Transitions Peculiarities Of A Nonpolar Smectogen
(World Scientific Publ Co Pte Ltd, 2010)The effect of thin films on the orientational and optical properties of nonpolar monolayer smectogen 4-butoxyphenyl-4'-decyloxybenzoate ((10) over barO (4) over bar) liquid crystal has been studied by polarizing microscopy ... -
Effect of temperature and graphene oxide on the swelling of PAAm-GO composite gels
(Avestia Publishing, 2019)Graphene oxide (GO) is a two dimensional carbon material with similar one-atom thickness, and is a light material having extremely high strength and thermal stability [1]. Thus, GO is an efficient filler for the enhancement ... -
Effect of the Channel Estimation Error on the Performance of the Source Estimator in a Wireless Sensor Network with Orthogonal Channels
(IEEE, 2008)In this work effect of the channel estimation error on the MSE performance of the source estimator in a wireless sensor network with orthogonal flat fading channels is studied. A two-phase approach was employed where in ... -
AN EFFECTIVE ROCOMMENDER MODEL FOR E-COMMERCE PLATFORMS
(2017)Sahte kullanıcı hesapları, veri tabalarındaki seyreklik problemlerinden dolayı özellikle yeteri kadar kullanıcı tarafından puanlanmamış ürünlerde tavsiye algoritmalarını kolaylıkla etkileyebilmektedirler. Genellikle bu ... -
Effects of channel models and optional data rates on the IEEE 802.15.4a system performance [Kanal modellerinin ve seçime bağli veri hızlarının IEEE 802.15.4a sistem başarımına etkileri]
(2010)The wireless personal area network standard IEEE 802.15.4a uses ultra wideband impulse radios (UWB-IRs) for precise ranging and location and as well as for communications at low data rates (about 1 Mb/s). In addition to ... -
Effects of cylinder Reynolds number on the turbulent horseshoe vortex system and near wake of a surface-mounted circular cylinder
(Amer Inst Physics, 2015)The turbulent horseshoe vortex (HV) system and the near-wake flow past a circular cylinder mounted on a flat bed in an open channel are investigated based on the results of eddy-resolving simulations and supporting flow ... -
The effects of Dea:water ratio on the properties of ZnO nanofilms obtained by spin coating method
(Elsevier Science, 2014)In this work the ZnO were fabricated with the sol-gel spin coating method and the effects of the Dea:water ratios on the properties of the as-prepared ZnO thin films were determined by using a X-ray diffractometer transmission ... -
Effects of gender on credit card usage among university students in Turkey
(Academic Journals, 2011)In recent years much has been written about credit card usage among university students. Despite a vast number of studies little has been written about credit card usage among university students in developing countries. ... -
Effects of GNP addition on optical properties and band gap energies of PMMA films
(Wiley, 2019)In this study the effects of graphene nanoplatelet (GNP) doping on the optical parameters (absorption coefficient alpha and extinction coefficient k) and the optical transition energies (optical band gap and Urbach energies) ... -
The effects of higher-order approximations in a fluid-filled elastic tube with stenosis
(Verlag der Zeitschrift fur Naturforschung, 2006)Treating arteries as thin-walled prestressed elastic tubes with a narrowing (stenosis) and blood as an inviscid fluid we study the propagation of weakly nonlinear waves in such a fluid-filled elastic tube by employing the ... -
Effects of Precursor Parameters on the Optical and Electrical Properties of AZO Nano-Composite Films
(Elsevier GMBH Urban & Fischer Verlag, 2016)Al doped ZnO (AZO) nano-composite films were synthesized on glass substrates with the sol gel spin coating method at the room temperature. The activation energy of AZO nano-composite films was calculated to be 49 kj/mol ... -
Effects of Second Language Acquisition on Narrative Structure and Linguistic Processes in Preschool and School-Aged Children
(İstanbul Üniversitesi, 2019)This research examines the effects of second language acquisition in early childhood on the structural and linguistic properties of narrative skills in the child's native language. To investigate these questions, narrative ... -
Effects of second language on motion event lexicalization: Comparison of bilingual and monolingual children's frog story narratives
(Selcuk University, 2020)This study investigates how children lexicalize motion event patterns in their first and second languages, L1-Turkish and L2-English. English is a satellite-framed language that conflates motion with manner expressed in ... -
Efficiency analysis of Black sea container seaports: application of an integrated MCDM approach
(Routledge, 2020)The current paper carries out an examination about the selection of the proper container seaport, which in the Black sea region. This paper focuses on a research question. Is it possible to apply multi-criteria decision-making ... -
Efficiency analysis of emergency departments in metropolitan areas
(Elsevier, 2020)The demand in the healthcare industry is increasing exponentially due to aging population of the world and this is leading to a rapid increase in the cost of healthcare. The emergency departments of the hospitals are the ...