Türk-Alman University Institutional Repository
DSpace@Türk-Alman digitally stores academic resources such as books, articles, dissertations, bulletins, reports, research data published directly or indirectly by Türk-Alman University in international standarts, helps track the academic performance of the university, provides long term preservation for resources and makes publications available to Open Access in accordance with their copyright to increase the effect of publications.
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Performance analysis of Hexagonal QAM constellations on quadrature spatial modulation with perfect and imperfect channel estimation
(Elsevier, 2021)In this study, the quadrature spatial modulation (QSM) technique, which is a rational multiple-input multiple-output (MIMO) transmission technique and frequently encountered in recent studies in the literature, and the ... -
CO2 emission and cost optimization of concrete-filled steel tubular (CFST) columns using metaheuristic algorithms
(MDPI, 2021)Concrete-filled steel tubular columns have garnered wide interest among researchers due to their favorable structural characteristics. To attain the best possible performance from concrete-filled steel tubular columns while ... -
Spherical fuzzy swara-marcos approach for green supplier selection
(3Ciencias, 2021)In a supply chain management, supplier selection is an important step to determine the structure of the model. Multi-criteria decision making methods are appropriate tools for dealing with the selection of suitable suppliers. ... -
Monitoring the rehabilitation progress using a DCNN and kinematic data for digital healthcare
(Institute of Electrical and Electronics Engineers, 2021)Monitoring the progress of patients during the rehabilitation process after an operation is beneficial for adjusting care and medical treatment in order to improve the patient's quality of life. The supervised methods used ... -
Tb-2(WO4)(3)@N-GQDs-FA as an efficient nanocatalyst for the efficient synthesis of beta-aminoalcohols in aqueous solution
(Elsevier, 2021)In the current study, Tb-2(WO4)(3)@N-(GQDs) modified with folic acid (FA) was synthesized during the chemical reaction of terbium(III) tungstate nanoparticles with nitrogen doped graphene quantum dots (N-GQDs) and introduced ... -
Deep sentiment analysis: a case study on stemmed Turkish Twitter data
(IEEE, 2021)Sentiment analysis using stemmed Twitter data from various languages is an emerging research topic. In this paper, we address three data augmentation techniques namely Shift, Shuffle, and Hybrid to increase the size of the ... -
Generalized code index modulation and spatial modulation for high rate and energy-efficient MIMO systems on rayleigh block-fading channel
(IEEE, 2021)In this article, a high data rate and energy-efficient multiple-input multiple-output transmission scheme is considered by combining two popular and rational modulation techniques: spatial modulation (SM) and code index ... -
Performance of optimum tuned PID controller with different feedback strategies on active-controlled structures
(Multidisciplinary Digital Publishing Institute, 2021)In this study, multi-story structures with different combinations (on each floor and only the first floor) of active tendon control systems driven by a proportional-integral-derivative (PID) controller were actively ... -
The Taylor curve: international evidence
(Taylor & Francis Online, 2021)We use the Taylor curve to gauge deviations of monetary policy from an efficiency locus for the United Kingdom (UK) and the four largest economies of the Eurozone (Germany, France, Italy, Spain) for the period 2000–2018. ... -
Superhydrophobic polymer surfaces: preparation, properties, and applications
(Smithers Rapra Technology, 2016)Surface properties have critical roles in determination of the durability and overall performance of polymeric materials for applications in many fields. Recent investigations on naturally superhydrophobic surfaces such ...
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