A case study on beginning teachers' teaching professionalism based on pedagogical content knowledge in science-gifted education

TH Noh, YH Kim, CH Yang, HS Kang - Journal of the Korean …, 2011 - koreascience.kr
As a case study on beginning teachers' teaching professionalism in science-gifted education,
we analyzed their teaching professionalism based on pedagogical content knowledge. To …

Semiotic analysis of the inscriptions representing concept of atom and molecule in the 9th grade science textbooks

TH Noh, MS Yoon, HS Kang, JY Han - Journal of the Korean …, 2007 - koreascience.kr
In this study we investigated the types of inscriptions representing the concept of atom and
molecule in the 9th grade science textbooks developed under the 7th National Curriculum, …

A design and implementation of 32-paths parallel 256-point FFT/IFFT for optical OFDM systems

HS Kang, SH Chang, IK Hwang… - 2016 18th International …, 2016 - ieeexplore.ieee.org
This paper presents the design and implementation of thirty-two paths parallel FFT/IFFT for
optical OFDM systems. Employing OFDM over high speed optical transmission systems …

Characteristics of student-generated analogies, mapping understanding, and mapping errors on saturated solution of scientifically-gifted and general elementary …

TH Noh, CH Yang, HS Kang - Journal of Korean Elementary …, 2009 - koreascience.kr
In this study, we investigated the characteristics of the analogies, the mapping understanding,
and the mapping errors on saturated solution of scientifically-gifted and general …

The Influences of Teaching Practices upon Preservice Elementary School Teachers' Self-images of Science Teaching

HS Kang, EK Kim, SY Choi, TH Noh - Journal of the Korean …, 2010 - koreascience.kr
In this study, we investigated the influences of teaching practices upon preservice elementary
school teachers' self-images of science teaching. Twenty-six juniors were selected from …

Alamouti-coded DSP algorithm with a simplified PTBC decoder for next-generation optical access networks

JY Oh, SR Moon, SH Chang, HS Kang - Optics Express, 2024 - opg.optica.org
The use of Alamouti-coded polarization-time block code (A-PTBC) in combination with a
simple single polarization coherent receiver enables phase-diverse coherent detection without …

Performance evaluation of 100 Gb/s 16-QAM Alamouti-coded optical coherent system

…, SR Moon, SH Chang, HS Kang - 2022 13th International …, 2022 - ieeexplore.ieee.org
Alamouti polarization time block coding (PTBC) coherent optical technology has been
drawing attention as a technology for future optical access networks because it enables a …

Feedforward Phase Estimation for Real-Time PTBC Decoding in High-Speed Optical Access Networks

…, SH Chang, JY Oh, HS Kang - Journal of Lightwave …, 2024 - ieeexplore.ieee.org
The surge in data demand fueled by data hungry applications has driven the need for
enhanced capacity in sixth-generation (6G) mobile technology. To address this, single-polarization …

Exploring the causes of students' connecting errors induced in learning Boyle's law and Charles's law with multiple external representations

HS Kang, SJ Shin, TH Noh - Journal of the Korean Chemical …, 2008 - koreascience.kr
. 이 연구에서는 다중 표상을 활용한 보일과 샤를의 법칙 개념 학습에서 유발되는 학생들의 연계
오류의 원인을 탐색했다. 이를 위해 연계 오류를 가진 중학교 1 학년 15 명을 대상으로 면담을 …

Fluidization technology for stable startup of commercial FCC unit

SW Kim, JW Shin, GR Kim, IS Yoo, HS Kang, SH Park - 2010 - dc.engconfintl.org
Conditions for maintaining good fluidization in the start-up of FCC have been determined.
Catalyst defluidization and consequent catalyst losses from reactor cyclone are mainly …