Meslek Yüksek Okulu

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Do Depreciations Really Trigger an Inflow of Foreign Direct Investment? the Case of Turkey
(Sosyoekonomi Soc, 2018) Erunlu, Zeynep
In this study, the relationship between real exchange rate and foreign direct investment is examined using the Logistic Smooth Transition - Autoregressive Distributed Lag (LST-ARDL) model. Analyzing the effect of real exchange rate changes on foreign direct investment is very crucial for a developing country like Turkey which has a relatively large foreign debt stock. The estimation results show that foreign direct investment inflows to Turkey increase when Turkish Lira appreciates against the US dollar and this effect is especially strong during periods of high investment inflows. Thus, for Turkey to attract productive capital flows rather than unstable short-term portfolio flows it has to maintain a strong currency against the US dollar.
Ecg Signal Denoising With Scilab
(Ismail Saritas, 2023) Ahmad, I.; Özaydın, Selma; Ozaydin, S.; Çankaya Meslek Yüksekokulu
This paper presents a study on de-noising electrocardiogram (ECG) signals using Scilab, an open-source software package known for its signal processing capabilities. ECG signals are often contaminated by various noise sources, which can reduce the accurate diagnosis and monitoring of heart health. In this work, digital signal processing methods such as Finite Impulse Response (FIR) and Infinite Impulse Response (IIR) filters are used to effectively suppress noise while preserving the essential features of the ECG waveform. We explore main noise sources that commonly affect ECG recordings, such as baseline wandering noise, power-line interference, and muscle artifacts, and discuss their respective challenges. The de-noising methods has been extensively evaluated and demonstrated its ability to improve signal quality and diagnostic accuracy by eliminating noise artifacts. The results highlight Scilab's potential for de-noising ECG signals and its importance in improving patient care and biomedical signal processing applications. The efficacy of the de-noising methods is thoroughly evaluated through comparative analyses with other commonly used de-noising approaches. Experimental results demonstrate its superiority in preserving the QRS complex while efficiently eliminating noise artifacts, leading to more accurate and reliable diagnostic information. In conclusion, this paper presents a comprehensive study on de-noising ECG signals using Scilab, offering a valuable contribution to the field of biomedical signal processing. Researchers and practitioners in the domain of ECG signal processing can benefit from the insights and techniques presented herein to advance their studies and further applications. © 2023, Ismail Saritas. All rights reserved.
Citation - WoS: 2
Citation - Scopus: 2
Mobbing Used Against Teachers by School Administrators: Examples of Case
(Hacettepe Univ, 2023) Okdem, Meltem
Mobbing means psychological violence, siege, harassment, inconvenience or annoyance. Mobbing against a teacher in schools can also negatively affect other teachers and create negativities in their performance. Also, this costs society a lot. It is crucial for teachers raising young people who are our future to work peacefully in their workplace both for themselves and for students. The purpose of this study was to assess mobbing behaviors, which are used by school principals against teachers and are submitted to the court. The study chose the "qualitative" research method. The study reached the mobbing cases opened by teachers against school principals on (www.LegalBank.com). The study investigated the mobbing cases by giving keywords without date restriction. Since the study investigated the court decisions to determine the mobbing behaviors used by school principals against teachers, it used the "document review" method and reached 15 cases between 2010 and 2020 within this scope. As a result of the study the school principals most displayed behaviors in the category of "attacks against professional career" of the teachers. Eight of the cases were attacks against professional career. Then the study reached six mobbing cases against communication. However, the study encountered no behaviors related to "attacks against social relations". In order to prevent these behaviors, we can recommend the following: Awareness should be raised in teachers concerning psychological harassment/intimidation in schools, seminars should be organized for them to protect from such behaviors via in-service training applications, awareness should be raised in teachers concerning their legal rights, the crime of administrators applying mobbing should be registered and they should not be allowed to get promotion and should be suspended for a certain period of time.

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