Browsing by Author "Kapusuz,K.Y."
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Article Citation Count: 5Heterogeneity in classes: Cooperative problem-solving activities through cooperative learning;(FACTEACHEREDUCATION, 2014) Kara, Ali; Kapusuz,K.Y.; Çiğdemoğlu, Ceyhan; Department of Electrical & Electronics Engineering; Public Relations and AdvertisingTeachers, from primary schools to college, experience challenges regarding both increased class sizes and a greater diversity of students having a broad spectrum of abilities, interests, needs, and goals. The aim of this paper is to investigate the effect of cooperative learning through Cooperative Problem-Solving (CPS) activities on homogenous and heterogeneous grouping in an engineering course. As a mixed method design, the study utilized both quantitative and qualitative data. The participants, 47 engineering students selected conveniently, were enrolled in a communication systems course. The analysis of the quantitative data indicated that no significant difference (p=.791) exists between the ways in which the students in homogenous and the students in heterogeneous group understand communication systems. In order to reveal the perceptions of students regarding the implementation, they were interviewed at the end of the semester. The qualitative data obtained from these interviews suggests that students prefer heterogeneous to homogenous grouping. The findings also imply that further research should concentrate on heterogeneous grouping strategies and more detailed qualitative data in order to reveal what kind of patterns emerge from students’ interactions in different groupings. © 2014, FAC TEACHER EDUCATION. All right reserved.Conference Object Citation Count: 3An industry sponsored undergraduate research (UR) experience: Preliminary study on fulfillment of program outcomes and industry requirements(IEEE Computer Society, 2014) Kara, Ali; Kara,A.; Department of Electrical & Electronics EngineeringThis study presents educational results of an industry sponsored undergraduate research (UR) project. The aim of the study is to show how such project works contribute to students in acquiring qualifications or skills necessary by the industry, and abilities regarding with program outcomes of accreditation organisations. The study is based on quantitative (surveys) and qualitative (self descriptions) data collected from senior students who worked in 9 months UR project sponsored by a company in Radio frequency (RF) and Communications domain. The preliminary results showed that an industry sponsored undergraduate research project may serve to both short term (industry requirements) and longer term (program outcomes) expectations in undergraduate curriculum of engineering departments. © 2014 IEEE.Conference Object Citation Count: 2A modular FMCW radar RF front end design: Simulation and implementation;(IEEE Computer Society, 2014) Kara, Ali; Kapusuz,K.Y.; Kara,A.; Department of Electrical & Electronics EngineeringIn this work, simulations and preliminary measurement results of an S-band FMCW radar is presented. A commercial simulation tool (AWR-VSS) has been used at system level design stage of the radar. The simulation tool provides all functions regarding with transmitter, target and receiving blocks, and it finally feeds echo signals to the digital processing block implemented in MATLAB. The target range and velocity have been derived for simple target scenario in MATLAB. Then, a modular RF front end of the radar has been designed using commercial of the shelf (COTS) components. The radar system has been proved to be working in indoor environment using measurement equipment. Moreover, design of horn antennas for transmitting and reception blocks have been demonstrated. Real time signal processing functions will be developed at the next stage. © 2014 IEEE.Conference Object Citation Count: 0Reader antenna design for RFID applications;(2013) Can, Seçkin; Kzlu,N.; Can, Sultan; Can,S.; Aydzn,E.; Department of Modern Languages; Department of Electrical & Electronics EngineeringIn this paper, a coplanar waveguide (CPW) fed microstrip patch antenna is designed on finite element method based simulation program and fabricated in order to use reader antenna in Radio Frequency Identification (RFID). The results of the simulations and the produced antennas are presented in the study. The produced microstrip patch anten na has a 105MHz bandwidth and operates in between 895-1000 MHz . © 2013 IEEE.