• Journal of Engineering Education Research
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• v.21 no.5
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• pp.3-9
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• 2018

This article examined the effects of self-reflecting journal writing in speaking class on academic performance of science and engineering students. To assess the effect, 27 science and engineering students from the "Speech and Life" class were asked to keep a self-reflecting journal. Pre and post-intervention surveys were conducted, followed by the analysis of learning effect and satisfaction. In addition to the pre and post-intervention surveys, an additional survey on speaking ability was conducted at the same time and the change of the students' ability was assessed. Results showed that after writing self-reflection journals, participants' learning effect and satisfaction has increased, and their speaking performance was also improved.

• Journal of Engineering Education Research
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• v.22 no.3
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• pp.18-31
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• 2019

In addition to technical skills and competencies, communication competence has been identified to be important to engineering students who will be drivers of innovation in a rapidly changing society. Drawing on the previous studies, this research examines the results of an empirical exploration of engineering students' perception of speaking ability and their communicative competence. To date, there has been most of the research conducted on 'writing' (e.g., its educational process, class designs, ability, etc.) for engineering students. However, relatively little attention has been paid to engineering students' speaking ability perception and their competence diagnosis. This study relies on quantitative data obtained from one survey questionnaire and one test conducted respectively. The sample consists of 386 engineering students as well as 481 non-engineering students for the 1st survey. And to measure communicative competence, 150 engineering students as well as 136 non-engineering students participated in the test. Our findings show that firstly, there were significant differences in perception of speaking ability by majors and gender. Whereas there was no difference in the same survey by grade. Secondly, there was a close and significant relationship between sub-factors of speaking ability. Thirdly, there were significant differences in communicative competence by majors. Whereas there was no difference by gender and grade. Fourthly, there was a close and significant relationship between sub-factors of communicative competence. These findings are expected to provide an explanation for the improvement on engineering students' speaking ability and to encourage the participation in extra-curricular activities and programs in engineering school.

• Journal of Engineering Education Research
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• v.19 no.1
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• pp.21-30
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• 2016

Communication is for making a passage to communicate with various modern narratives or various people. Therefore, it needs to be reorganized by these changes and demands. Especially in case of country students learning natural science and engineering are appreciating the necessity of speaking education. So a program which contains both speaking and writing should be organized. In this writing writer used flipped learning and strategic text to fulfill evaluation items that engineering authentication requires. Also writer suggested how to lecture and planned to make a integration textbook which can foster literacy and liberal arts knowledge.

• Journal of Engineering Education Research
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• v.13 no.6
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• pp.188-194
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• 2010

This paper deals with a teaching method in EMI(English Medium Instructor) Education for engineering major subjects which is accomplished between non-native english speaking professors and students. Goals of EMI in non-english speaking countries will be both a improvement of communication ability and understanding of the major subjects. However, when students who have a low level-english ability participate in english class, it is necessary to analyze whether they can obtain above goals or not and to study on a teaching method for them. The english classes were aimed at students at the college of engineering who have 200-420 TOEIC average score. The research was proceeded by course evaluations to three direct EMI and surveys that were performed targeting all students participated in english class. The proposed research results may lead to development of EMI for students who have a low level- english ability and give them a better understanding and interest of major subjects.

• Annual Conference on Human and Language Technology
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• 2012.10a
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• pp.73-76
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• 2012

영어 교육의 필요성이 증가하고 그에 대한 수요가 늘어남에 따라 컴퓨터를 이용한 외국어 교육 시스템이 개인적인 영어 교육방법으로 소개되고 있다. 새로운 외국어를 접할 때 습득하기 어려운 부분 중 하나가 발음이고, 발음이 외국어 말하기 실력에 중요한 요소이기 때문에 특별한 훈련이 필요하다. 본 논문에서는 이러한 문제점에 대하여 충분히 인지하고 외국어 발음 향상에 도움을 주기 위하여 컴퓨터 보조 발음 훈련시스템을 개발하였다. 본 시스템은 발음 훈련과 억앙 훈련, 즉 문장 강세 훈련과 끊어 읽기 훈련을 포함하며, 사용자의 발화에 대해 적절한 평가와 피드백을 제공한다. 본 논문에서는 발음 훈련 시스템의 구성요소와 동작에 대하여 중점적으로 기술하였다.

• Proceedings of the KSPS conference
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• 2005.11a
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• pp.159-162
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• 2005

Identification is the process automatically identify who is speaking on the basis of information obtained from speech waves. In training phase, each speaker models are trained using each speaker's speech data. GMMs (Gaussian Mixture Models), which have been successfully applied to speaker modeling in text-independent speaker identification, are not efficient in insufficient training data environment. This paper proposes speaker modeling method using MLLR (Maximum Likelihood Linear Regression) method which is used for speaker adaptation in speech recognition. We make SD-like model using MLLR adaptation method instead of speaker dependent model (SD). Proposed system outperforms the GMMs in small training data environment.

• Journal of Engineering Education Research
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• v.13 no.2
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• pp.16-21
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• 2010

The objective of this study was to evaluate Environmental microbiology (EM) as a basic course for the environmental engineering program of Korea Maritime University which has been accredited by Accreditation Board for Engineering Education of Korea (ABEEK). Evaluation result of the lecture objectives was more than the average (3.5/5.0). The overall score for learning achievement assessment was more than average level of learning achievement (3.4/5.0). Interestingly, engineering design implementation regarding a specific topic as an extensive learning process has proven to be more effective (3.5/5.0). Some of effective class improvement strategies suggested were to encourage students to participate in the class with self-motivation and accountability: preview and review of the lecture, team presentation in English-speaking settings, and submitting project report written in English. In the future class of EM, test and evaluation of application capability of EM and environmental biotechnology (EB) theories to engineering problem solving should be emphasized.

• Journal of electromagnetic engineering and science
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• v.7 no.2
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• pp.59-63
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• 2007

This paper suggests a novel method to efficiently calculate the spatial-domain Green's functions of 2D electromagnetic problems Briefly speaking, this method combines spectral and spatial domain calculation schemes and prevents the Green's functions from poor convergence due to the singularities that complicate the process of the Method of Moment(MoM) applications For the validation of this proposed method, fields will be evaluated along the spatial distance including zero distance for 2D free-space and periodic homogeneous geometry The numerical results show the validity of the prosed method and correspondng physics.

• KSII Transactions on Internet and Information Systems (TIIS)
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• v.10 no.1
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• pp.308-320
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• 2016

Although the face almost always has an axisymmetric structure, it is generally not symmetrical image for the face image. However, the mirror image of the face image can reflect possible variation of the poses and illumination opposite to that of the original face image. A robust minimum squared error classification (RMSEC) algorithm is proposed in this paper. Concretely speaking, the original training samples and the mirror images of the original samples are taken to form a new training set, and the generated training set is used to perform the modified minimum sqreared error classification(MMSEC) algorithm. The extensive experiments show that the accuracy rate of the proposed RMSEC is greatly increased, and the the proposed RMSEC is not sensitive to the variations of the parameters.

• Proceedings of the Korean Information Science Society Conference
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• 2000.10a
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• pp.71-73
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• 2000

Recently researches have been made on the client-side Web GIS, which can lessen the load of a server and provide users with intheractive geographic information. Howwever, the initial delay is the main drawback because of a high volume of geographic data and becausr the server does not associate spatial features with the map scale. Even when a complex spatial object is too small to be distinguished from a point by the naked eyes, it's complete data will be transmitted. This paper proposes a new effcient schema to reduce the response time and increase transmission effciency. Briefly speaking, "Transmit what can be seen" is the main idea. By exploiting the generalization algorithm, the proposed method allows the server to extract readable features from objects according to the display scale. Meanwhile, increasingly detailed map will be cached on the client. Therefore this method will contribute to the transmission efficiency of Web GISs.